Convert utility.c into libbb.a. It is now a whole pile of .c

files.  Clean up the resulting damage and fix up the makefile.
 -Erik

39 files changed, 3401 insertions, 0 deletions

diff --git a/libbb/ask_confirmation.c b/libbb/ask_confirmation.c
new file mode 100644
index 0000000..f292237
--- /dev/null
+++ b/libbb/ask_confirmation.c
@@ -0,0 +1,53 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+int ask_confirmation()
+{
+	int c = '\0';
+	int ret = 0;
+
+	while (c != '\n') {
+		c = getchar();
+		if ( c != '\n' ) {
+			ret = ((c=='y')||(c=='Y')) ? 1 : 0;
+		}
+	}
+	return ret;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/check_wildcard_match.c b/libbb/check_wildcard_match.c
new file mode 100644
index 0000000..7bd3c79
--- /dev/null
+++ b/libbb/check_wildcard_match.c
@@ -0,0 +1,140 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+/*
+ * Routine to see if a text string is matched by a wildcard pattern.
+ * Returns TRUE if the text is matched, or FALSE if it is not matched
+ * or if the pattern is invalid.
+ *  *		matches zero or more characters
+ *  ?		matches a single character
+ *  [abc]	matches 'a', 'b' or 'c'
+ *  \c		quotes character c
+ * Adapted from code written by Ingo Wilken, and
+ * then taken from sash, Copyright (c) 1999 by David I. Bell
+ * Permission is granted to use, distribute, or modify this source,
+ * provided that this copyright notice remains intact.
+ * Permission to distribute this code under the GPL has been granted.
+ */
+extern int check_wildcard_match(const char *text, const char *pattern)
+{
+	const char *retryPat;
+	const char *retryText;
+	int ch;
+	int found;
+	int len;
+
+	retryPat = NULL;
+	retryText = NULL;
+
+	while (*text || *pattern) {
+		ch = *pattern++;
+
+		switch (ch) {
+		case '*':
+			retryPat = pattern;
+			retryText = text;
+			break;
+
+		case '[':
+			found = FALSE;
+
+			while ((ch = *pattern++) != ']') {
+				if (ch == '\\')
+					ch = *pattern++;
+
+				if (ch == '\0')
+					return FALSE;
+
+				if (*text == ch)
+					found = TRUE;
+			}
+			len=strlen(text);
+			if (found == FALSE && len!=0) {
+				return FALSE;
+			}
+			if (found == TRUE) {
+				if (strlen(pattern)==0 && len==1) {
+					return TRUE;
+				}
+				if (len!=0) {
+					text++;
+					continue;
+				}
+			}
+
+			/* fall into next case */
+
+		case '?':
+			if (*text++ == '\0')
+				return FALSE;
+
+			break;
+
+		case '\\':
+			ch = *pattern++;
+
+			if (ch == '\0')
+				return FALSE;
+
+			/* fall into next case */
+
+		default:
+			if (*text == ch) {
+				if (*text)
+					text++;
+				break;
+			}
+
+			if (*text) {
+				pattern = retryPat;
+				text = ++retryText;
+				break;
+			}
+
+			return FALSE;
+		}
+
+		if (pattern == NULL)
+			return FALSE;
+	}
+
+	return TRUE;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/chomp.c b/libbb/chomp.c
new file mode 100644
index 0000000..cbd3d04
--- /dev/null
+++ b/libbb/chomp.c
@@ -0,0 +1,51 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+void chomp(char *s)
+{
+	size_t len = strlen(s);
+
+	if (len == 0)
+		return;
+
+	if (s[len-1] == '\n')
+		s[len-1] = '\0';
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/copy_file.c b/libbb/copy_file.c
new file mode 100644
index 0000000..64b65b9
--- /dev/null
+++ b/libbb/copy_file.c
@@ -0,0 +1,180 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <utime.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include "libbb.h"
+
+
+/*
+ * Copy one file to another, while possibly preserving its modes, times, and
+ * modes.  Returns TRUE if successful, or FALSE on a failure with an error
+ * message output.  (Failure is not indicated if attributes cannot be set.)
+ * -Erik Andersen
+ */
+int
+copy_file(const char *srcName, const char *destName,
+		 int setModes, int followLinks, int forceFlag)
+{
+	int rfd;
+	int wfd;
+	int status;
+	struct stat srcStatBuf;
+	struct stat dstStatBuf;
+	struct utimbuf times;
+
+	if (followLinks == TRUE)
+		status = stat(srcName, &srcStatBuf);
+	else
+		status = lstat(srcName, &srcStatBuf);
+
+	if (status < 0) {
+		perror_msg("%s", srcName);
+		return FALSE;
+	}
+
+	if (followLinks == TRUE)
+		status = stat(destName, &dstStatBuf);
+	else
+		status = lstat(destName, &dstStatBuf);
+
+	if (status < 0 || forceFlag==TRUE) {
+		unlink(destName);
+		dstStatBuf.st_ino = -1;
+		dstStatBuf.st_dev = -1;
+	}
+
+	if ((srcStatBuf.st_dev == dstStatBuf.st_dev) &&
+		(srcStatBuf.st_ino == dstStatBuf.st_ino)) {
+		error_msg("Copying file \"%s\" to itself", srcName);
+		return FALSE;
+	}
+
+	if (S_ISDIR(srcStatBuf.st_mode)) {
+		//fprintf(stderr, "copying directory %s to %s\n", srcName, destName);
+		/* Make sure the directory is writable */
+		status = mkdir(destName, 0777777 ^ umask(0));
+		if (status < 0 && errno != EEXIST) {
+			perror_msg("%s", destName);
+			return FALSE;
+		}
+	} else if (S_ISLNK(srcStatBuf.st_mode)) {
+		char link_val[BUFSIZ + 1];
+		int link_size;
+
+		//fprintf(stderr, "copying link %s to %s\n", srcName, destName);
+		/* Warning: This could possibly truncate silently, to BUFSIZ chars */
+		link_size = readlink(srcName, &link_val[0], BUFSIZ);
+		if (link_size < 0) {
+			perror_msg("%s", srcName);
+			return FALSE;
+		}
+		link_val[link_size] = '\0';
+		status = symlink(link_val, destName);
+		if (status < 0) {
+			perror_msg("%s", destName);
+			return FALSE;
+		}
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
+		if (setModes == TRUE) {
+			/* Try to set owner, but fail silently like GNU cp */
+			lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
+		}
+#endif
+		return TRUE;
+	} else if (S_ISFIFO(srcStatBuf.st_mode)) {
+		//fprintf(stderr, "copying fifo %s to %s\n", srcName, destName);
+		if (mkfifo(destName, 0644) < 0) {
+			perror_msg("%s", destName);
+			return FALSE;
+		}
+	} else if (S_ISBLK(srcStatBuf.st_mode) || S_ISCHR(srcStatBuf.st_mode)
+			   || S_ISSOCK(srcStatBuf.st_mode)) {
+		//fprintf(stderr, "copying soc, blk, or chr %s to %s\n", srcName, destName);
+		if (mknod(destName, srcStatBuf.st_mode, srcStatBuf.st_rdev) < 0) {
+			perror_msg("%s", destName);
+			return FALSE;
+		}
+	} else if (S_ISREG(srcStatBuf.st_mode)) {
+		//fprintf(stderr, "copying regular file %s to %s\n", srcName, destName);
+		rfd = open(srcName, O_RDONLY);
+		if (rfd < 0) {
+			perror_msg("%s", srcName);
+			return FALSE;
+		}
+
+	 	wfd = open(destName, O_WRONLY | O_CREAT | O_TRUNC,
+				 srcStatBuf.st_mode);
+		if (wfd < 0) {
+			perror_msg("%s", destName);
+			close(rfd);
+			return FALSE;
+		}
+
+		if (copy_file_chunk(rfd, wfd, srcStatBuf.st_size)==FALSE)
+			goto error_exit;	
+		
+		close(rfd);
+		if (close(wfd) < 0) {
+			return FALSE;
+		}
+	}
+
+	if (setModes == TRUE) {
+		/* This is fine, since symlinks never get here */
+		if (chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid) < 0)
+			perror_msg_and_die("%s", destName);
+		if (chmod(destName, srcStatBuf.st_mode) < 0)
+			perror_msg_and_die("%s", destName);
+		times.actime = srcStatBuf.st_atime;
+		times.modtime = srcStatBuf.st_mtime;
+		if (utime(destName, &times) < 0)
+			perror_msg_and_die("%s", destName);
+	}
+
+	return TRUE;
+
+  error_exit:
+	perror_msg("%s", destName);
+	close(rfd);
+	close(wfd);
+
+	return FALSE;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/copy_file_chunk.c b/libbb/copy_file_chunk.c
new file mode 100644
index 0000000..3c657dd
--- /dev/null
+++ b/libbb/copy_file_chunk.c
@@ -0,0 +1,60 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <sys/stat.h>
+#include "libbb.h"
+
+/*
+ * Copy chunksize bytes between two file descriptors
+ */
+int copy_file_chunk(int srcfd, int dstfd, size_t chunksize)
+{
+        size_t size;
+        char buffer[BUFSIZ]; /* BUFSIZ is declared in stdio.h */
+
+        while (chunksize > 0) {
+                if (chunksize > BUFSIZ)
+                        size = BUFSIZ;
+                else
+                        size = chunksize;
+                if (full_write(dstfd, buffer, full_read(srcfd, buffer, size)) < size)
+                        return(FALSE);
+                chunksize -= size;
+        }
+        return (TRUE);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/create_path.c b/libbb/create_path.c
new file mode 100644
index 0000000..328afc3
--- /dev/null
+++ b/libbb/create_path.c
@@ -0,0 +1,71 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include "libbb.h"
+
+/*
+ * Attempt to create the directories along the specified path, except for
+ * the final component.  The mode is given for the final directory only,
+ * while all previous ones get default protections.  Errors are not reported
+ * here, as failures to restore files can be reported later.
+ */
+extern int create_path(const char *name, int mode)
+{
+	char *cp;
+	char *cpOld;
+	char buf[BUFSIZ + 1];
+	int retVal = 0;
+
+	strcpy(buf, name);
+	for (cp = buf; *cp == '/'; cp++);
+	cp = strchr(cp, '/');
+	while (cp) {
+		cpOld = cp;
+		cp = strchr(cp + 1, '/');
+		*cpOld = '\0';
+		retVal = mkdir(buf, cp ? 0777 : mode);
+		if (retVal != 0 && errno != EEXIST) {
+			perror_msg("%s", buf);
+			return FALSE;
+		}
+		*cpOld = '/';
+	}
+	return TRUE;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/device_open.c b/libbb/device_open.c
new file mode 100644
index 0000000..8e97ce6
--- /dev/null
+++ b/libbb/device_open.c
@@ -0,0 +1,59 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <fcntl.h>
+#include "libbb.h"
+
+
+/* try to open up the specified device */
+extern int device_open(char *device, int mode)
+{
+	int m, f, fd = -1;
+
+	m = mode | O_NONBLOCK;
+
+	/* Retry up to 5 times */
+	for (f = 0; f < 5; f++)
+		if ((fd = open(device, m, 0600)) >= 0)
+			break;
+	if (fd < 0)
+		return fd;
+	/* Reset original flags. */
+	if (m != mode)
+		fcntl(fd, F_SETFL, mode);
+	return fd;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/error_msg.c b/libbb/error_msg.c
new file mode 100644
index 0000000..7773d32
--- /dev/null
+++ b/libbb/error_msg.c
@@ -0,0 +1,100 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+extern const char *applet_name;
+
+static void verror_msg(const char *s, va_list p)
+{
+	fflush(stdout);
+	fprintf(stderr, "%s: ", applet_name);
+	vfprintf(stderr, s, p);
+}
+
+extern void error_msg(const char *s, ...)
+{
+	va_list p;
+
+	va_start(p, s);
+	verror_msg(s, p);
+	va_end(p);
+	putc('\n', stderr);
+}
+
+extern void error_msg_and_die(const char *s, ...)
+{
+	va_list p;
+
+	va_start(p, s);
+	verror_msg(s, p);
+	va_end(p);
+	putc('\n', stderr);
+	exit(EXIT_FAILURE);
+}
+
+static void vperror_msg(const char *s, va_list p)
+{
+	int err=errno;
+	if(s == 0) s = "";
+	verror_msg(s, p);
+	if (*s) s = ": ";
+	fprintf(stderr, "%s%s\n", s, strerror(err));
+}
+
+extern void perror_msg(const char *s, ...)
+{
+	va_list p;
+
+	va_start(p, s);
+	vperror_msg(s, p);
+	va_end(p);
+}
+
+extern void perror_msg_and_die(const char *s, ...)
+{
+	va_list p;
+
+	va_start(p, s);
+	vperror_msg(s, p);
+	va_end(p);
+	exit(EXIT_FAILURE);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/find_mount_point.c b/libbb/find_mount_point.c
new file mode 100644
index 0000000..27322f7
--- /dev/null
+++ b/libbb/find_mount_point.c
@@ -0,0 +1,80 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+#include <mntent.h>
+/*
+ * Given a block device, find the mount table entry if that block device
+ * is mounted.
+ *
+ * Given any other file (or directory), find the mount table entry for its
+ * filesystem.
+ */
+extern struct mntent *find_mount_point(const char *name, const char *table)
+{
+	struct stat s;
+	dev_t mountDevice;
+	FILE *mountTable;
+	struct mntent *mountEntry;
+
+	if (stat(name, &s) != 0)
+		return 0;
+
+	if ((s.st_mode & S_IFMT) == S_IFBLK)
+		mountDevice = s.st_rdev;
+	else
+		mountDevice = s.st_dev;
+
+
+	if ((mountTable = setmntent(table, "r")) == 0)
+		return 0;
+
+	while ((mountEntry = getmntent(mountTable)) != 0) {
+		if (strcmp(name, mountEntry->mnt_dir) == 0
+			|| strcmp(name, mountEntry->mnt_fsname) == 0)	/* String match. */
+			break;
+		if (stat(mountEntry->mnt_fsname, &s) == 0 && s.st_rdev == mountDevice)	/* Match the device. */
+			break;
+		if (stat(mountEntry->mnt_dir, &s) == 0 && s.st_dev == mountDevice)	/* Match the directory's mount point. */
+			break;
+	}
+	endmntent(mountTable);
+	return mountEntry;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/find_pid_by_name.c b/libbb/find_pid_by_name.c
new file mode 100644
index 0000000..a22ee1f
--- /dev/null
+++ b/libbb/find_pid_by_name.c
@@ -0,0 +1,168 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <dirent.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+
+/* For Erik's nifty devps device driver */
+#ifdef BB_FEATURE_USE_DEVPS_PATCH
+#include <linux/devps.h> 
+
+/* find_pid_by_name()
+ *  
+ *  This finds the pid of the specified process,
+ *  by using the /dev/ps device driver.
+ *
+ *  Returns a list of all matching PIDs
+ */
+extern pid_t* find_pid_by_name( char* pidName)
+{
+	int fd, i, j;
+	char device[] = "/dev/ps";
+	pid_t num_pids;
+	pid_t* pid_array = NULL;
+	pid_t* pidList=NULL;
+
+	/* open device */ 
+	fd = open(device, O_RDONLY);
+	if (fd < 0)
+		perror_msg_and_die("open failed for `%s'", device);
+
+	/* Find out how many processes there are */
+	if (ioctl (fd, DEVPS_GET_NUM_PIDS, &num_pids)<0) 
+		perror_msg_and_die("\nDEVPS_GET_PID_LIST");
+	
+	/* Allocate some memory -- grab a few extras just in case 
+	 * some new processes start up while we wait. The kernel will
+	 * just ignore any extras if we give it too many, and will trunc.
+	 * the list if we give it too few.  */
+	pid_array = (pid_t*) xcalloc( num_pids+10, sizeof(pid_t));
+	pid_array[0] = num_pids+10;
+
+	/* Now grab the pid list */
+	if (ioctl (fd, DEVPS_GET_PID_LIST, pid_array)<0) 
+		perror_msg_and_die("\nDEVPS_GET_PID_LIST");
+
+	/* Now search for a match */
+	for (i=1, j=0; i<pid_array[0] ; i++) {
+		char* p;
+		struct pid_info info;
+
+	    info.pid = pid_array[i];
+	    if (ioctl (fd, DEVPS_GET_PID_INFO, &info)<0)
+			perror_msg_and_die("\nDEVPS_GET_PID_INFO");
+
+		/* Make sure we only match on the process name */
+		p=info.command_line+1;
+		while ((*p != 0) && !isspace(*(p)) && (*(p-1) != '\\')) { 
+			(p)++;
+		}
+		if (isspace(*(p)))
+				*p='\0';
+
+		if ((strstr(info.command_line, pidName) != NULL)
+				&& (strlen(pidName) == strlen(info.command_line))) {
+			pidList=xrealloc( pidList, sizeof(pid_t) * (j+2));
+			pidList[j++]=info.pid;
+		}
+	}
+	if (pidList)
+		pidList[j]=0;
+
+	/* Free memory */
+	free( pid_array);
+
+	/* close device */
+	if (close (fd) != 0) 
+		perror_msg_and_die("close failed for `%s'", device);
+
+	return pidList;
+}
+
+#else		/* BB_FEATURE_USE_DEVPS_PATCH */
+
+/* find_pid_by_name()
+ *  
+ *  This finds the pid of the specified process.
+ *  Currently, it's implemented by rummaging through 
+ *  the proc filesystem.
+ *
+ *  Returns a list of all matching PIDs
+ */
+extern pid_t* find_pid_by_name( char* pidName)
+{
+	DIR *dir;
+	struct dirent *next;
+	pid_t* pidList=NULL;
+	int i=0;
+
+	dir = opendir("/proc");
+	if (!dir)
+		perror_msg_and_die("Cannot open /proc");
+	
+	while ((next = readdir(dir)) != NULL) {
+		FILE *status;
+		char filename[256];
+		char buffer[256];
+
+		/* If it isn't a number, we don't want it */
+		if (!isdigit(*next->d_name))
+			continue;
+
+		sprintf(filename, "/proc/%s/cmdline", next->d_name);
+		status = fopen(filename, "r");
+		if (!status) {
+			continue;
+		}
+		fgets(buffer, 256, status);
+		fclose(status);
+
+		if (strstr(get_last_path_component(buffer), pidName) != NULL) {
+			pidList=xrealloc( pidList, sizeof(pid_t) * (i+2));
+			pidList[i++]=strtol(next->d_name, NULL, 0);
+		}
+	}
+
+	if (pidList)
+		pidList[i]=0;
+	return pidList;
+}
+#endif							/* BB_FEATURE_USE_DEVPS_PATCH */
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/find_root_device.c b/libbb/find_root_device.c
new file mode 100644
index 0000000..de765ce
--- /dev/null
+++ b/libbb/find_root_device.c
@@ -0,0 +1,85 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <dirent.h>
+#include "libbb.h"
+
+
+
+extern int find_real_root_device_name(char* name)
+{
+	DIR *dir;
+	struct dirent *entry;
+	struct stat statBuf, rootStat;
+	char fileName[BUFSIZ];
+
+	if (stat("/", &rootStat) != 0) {
+		error_msg("could not stat '/'");
+		return( FALSE);
+	}
+
+	dir = opendir("/dev");
+	if (!dir) {
+		error_msg("could not open '/dev'");
+		return( FALSE);
+	}
+
+	while((entry = readdir(dir)) != NULL) {
+
+		/* Must skip ".." since that is "/", and so we 
+		 * would get a false positive on ".."  */
+		if (strcmp(entry->d_name, "..") == 0)
+			continue;
+
+		snprintf( fileName, strlen(name)+1, "/dev/%s", entry->d_name);
+
+		if (stat(fileName, &statBuf) != 0)
+			continue;
+		/* Some char devices have the same dev_t as block
+		 * devices, so make sure this is a block device */
+		if (! S_ISBLK(statBuf.st_mode))
+			continue;
+		if (statBuf.st_rdev == rootStat.st_rdev) {
+			strcpy(name, fileName); 
+			return ( TRUE);
+		}
+	}
+
+	return( FALSE);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/full_read.c b/libbb/full_read.c
new file mode 100644
index 0000000..e9c4bbf
--- /dev/null
+++ b/libbb/full_read.c
@@ -0,0 +1,70 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include "libbb.h"
+
+
+/*
+ * Read all of the supplied buffer from a file.
+ * This does multiple reads as necessary.
+ * Returns the amount read, or -1 on an error.
+ * A short read is returned on an end of file.
+ */
+int full_read(int fd, char *buf, int len)
+{
+	int cc;
+	int total;
+
+	total = 0;
+
+	while (len > 0) {
+		cc = read(fd, buf, len);
+
+		if (cc < 0)
+			return -1;
+
+		if (cc == 0)
+			break;
+
+		buf += cc;
+		total += cc;
+		len -= cc;
+	}
+
+	return total;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/full_write.c b/libbb/full_write.c
new file mode 100644
index 0000000..dc9937f
--- /dev/null
+++ b/libbb/full_write.c
@@ -0,0 +1,66 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include "libbb.h"
+
+/*
+ * Write all of the supplied buffer out to a file.
+ * This does multiple writes as necessary.
+ * Returns the amount written, or -1 on an error.
+ */
+int full_write(int fd, const char *buf, int len)
+{
+	int cc;
+	int total;
+
+	total = 0;
+
+	while (len > 0) {
+		cc = write(fd, buf, len);
+
+		if (cc < 0)
+			return -1;
+
+		buf += cc;
+		total += cc;
+		len -= cc;
+	}
+
+	return total;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/get_console.c b/libbb/get_console.c
new file mode 100644
index 0000000..4be9adc
--- /dev/null
+++ b/libbb/get_console.c
@@ -0,0 +1,129 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include "libbb.h"
+
+
+
+
+
+/* From <linux/kd.h> */ 
+static const int KDGKBTYPE = 0x4B33;  /* get keyboard type */
+static const int KB_84 = 0x01;
+static const int KB_101 = 0x02;    /* this is what we always answer */
+
+int is_a_console(int fd)
+{
+	char arg;
+
+	arg = 0;
+	return (ioctl(fd, KDGKBTYPE, &arg) == 0
+			&& ((arg == KB_101) || (arg == KB_84)));
+}
+
+static int open_a_console(char *fnam)
+{
+	int fd;
+
+	/* try read-only */
+	fd = open(fnam, O_RDWR);
+
+	/* if failed, try read-only */
+	if (fd < 0 && errno == EACCES)
+		fd = open(fnam, O_RDONLY);
+
+	/* if failed, try write-only */
+	if (fd < 0 && errno == EACCES)
+		fd = open(fnam, O_WRONLY);
+
+	/* if failed, fail */
+	if (fd < 0)
+		return -1;
+
+	/* if not a console, fail */
+	if (!is_a_console(fd)) {
+		close(fd);
+		return -1;
+	}
+
+	/* success */
+	return fd;
+}
+
+/*
+ * Get an fd for use with kbd/console ioctls.
+ * We try several things because opening /dev/console will fail
+ * if someone else used X (which does a chown on /dev/console).
+ *
+ * if tty_name is non-NULL, try this one instead.
+ */
+
+int get_console_fd(char *tty_name)
+{
+	int fd;
+
+	if (tty_name) {
+		if (-1 == (fd = open_a_console(tty_name)))
+			return -1;
+		else
+			return fd;
+	}
+
+	fd = open_a_console("/dev/tty");
+	if (fd >= 0)
+		return fd;
+
+	fd = open_a_console("/dev/tty0");
+	if (fd >= 0)
+		return fd;
+
+	fd = open_a_console("/dev/console");
+	if (fd >= 0)
+		return fd;
+
+	for (fd = 0; fd < 3; fd++)
+		if (is_a_console(fd))
+			return fd;
+
+	error_msg("Couldnt get a file descriptor referring to the console");
+	return -1;					/* total failure */
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/get_last_path_component.c b/libbb/get_last_path_component.c
new file mode 100644
index 0000000..a322288
--- /dev/null
+++ b/libbb/get_last_path_component.c
@@ -0,0 +1,58 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "libbb.h"
+
+
+char *get_last_path_component(char *path)
+{
+	char *s=path+strlen(path)-1;
+
+	/* strip trailing slashes */
+	while (s != path && *s == '/') {
+		*s-- = '\0';
+	}
+
+	/* find last component */
+	s = strrchr(path, '/');
+	if (s == NULL || s[1] == '\0')
+		return path;
+	else
+		return s+1;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/get_line_from_file.c b/libbb/get_line_from_file.c
new file mode 100644
index 0000000..7594817
--- /dev/null
+++ b/libbb/get_line_from_file.c
@@ -0,0 +1,72 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+
+/* get_line_from_file() - This function reads an entire line from a text file
+ * up to a newline. It returns a malloc'ed char * which must be stored and
+ * free'ed  by the caller. */
+extern char *get_line_from_file(FILE *file)
+{
+	static const int GROWBY = 80; /* how large we will grow strings by */
+
+	int ch;
+	int idx = 0;
+	char *linebuf = NULL;
+	int linebufsz = 0;
+
+	while (1) {
+		ch = fgetc(file);
+		if (ch == EOF)
+			break;
+		/* grow the line buffer as necessary */
+		while (idx > linebufsz-2)
+			linebuf = xrealloc(linebuf, linebufsz += GROWBY);
+		linebuf[idx++] = (char)ch;
+		if ((char)ch == '\n')
+			break;
+	}
+
+	if (idx == 0)
+		return NULL;
+
+	linebuf[idx] = 0;
+	return linebuf;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/human_readable.c b/libbb/human_readable.c
new file mode 100644
index 0000000..ff21751
--- /dev/null
+++ b/libbb/human_readable.c
@@ -0,0 +1,62 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+
+const char *make_human_readable_str(unsigned long val, unsigned long hr)
+{
+	int i=0;
+	static char str[10] = "\0";
+	static const char strings[] = { 'k', 'M', 'G', 'T', 0 };
+	unsigned long divisor = 1;
+
+	if(val == 0)
+		return("0");
+	if(hr)
+		snprintf(str, 9, "%ld", val/hr);
+	else {
+		while(val >= divisor && i <= 4) {
+			divisor=divisor<<10, i++;
+		} 
+		divisor=divisor>>10, i--;
+		snprintf(str, 9, "%.1Lf%c", (long double)(val)/divisor, strings[i]);
+	}
+	return(str);
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/inode_hash.c b/libbb/inode_hash.c
new file mode 100644
index 0000000..db68025
--- /dev/null
+++ b/libbb/inode_hash.c
@@ -0,0 +1,105 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+#define HASH_SIZE	311		/* Should be prime */
+#define hash_inode(i)	((i) % HASH_SIZE)
+
+static ino_dev_hashtable_bucket_t *ino_dev_hashtable[HASH_SIZE];
+
+/*
+ * Return 1 if statbuf->st_ino && statbuf->st_dev are recorded in
+ * `ino_dev_hashtable', else return 0
+ *
+ * If NAME is a non-NULL pointer to a character pointer, and there is
+ * a match, then set *NAME to the value of the name slot in that
+ * bucket.
+ */
+int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name)
+{
+	ino_dev_hashtable_bucket_t *bucket;
+
+	bucket = ino_dev_hashtable[hash_inode(statbuf->st_ino)];
+	while (bucket != NULL) {
+	  if ((bucket->ino == statbuf->st_ino) &&
+		  (bucket->dev == statbuf->st_dev))
+	  {
+		if (name) *name = bucket->name;
+		return 1;
+	  }
+	  bucket = bucket->next;
+	}
+	return 0;
+}
+
+/* Add statbuf to statbuf hash table */
+void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name)
+{
+	int i;
+	size_t s;
+	ino_dev_hashtable_bucket_t *bucket;
+    
+	i = hash_inode(statbuf->st_ino);
+	s = name ? strlen(name) : 0;
+	bucket = xmalloc(sizeof(ino_dev_hashtable_bucket_t) + s);
+	bucket->ino = statbuf->st_ino;
+	bucket->dev = statbuf->st_dev;
+	if (name)
+		strcpy(bucket->name, name);
+	else
+		bucket->name[0] = '\0';
+	bucket->next = ino_dev_hashtable[i];
+	ino_dev_hashtable[i] = bucket;
+}
+
+/* Clear statbuf hash table */
+void reset_ino_dev_hashtable(void)
+{
+	int i;
+	ino_dev_hashtable_bucket_t *bucket;
+
+	for (i = 0; i < HASH_SIZE; i++) {
+		while (ino_dev_hashtable[i] != NULL) {
+			bucket = ino_dev_hashtable[i]->next;
+			free(ino_dev_hashtable[i]);
+			ino_dev_hashtable[i] = bucket;
+		}
+	}
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/isdirectory.c b/libbb/isdirectory.c
new file mode 100644
index 0000000..65f4fee
--- /dev/null
+++ b/libbb/isdirectory.c
@@ -0,0 +1,71 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include "libbb.h"
+
+/*
+ * Return TRUE if a fileName is a directory.
+ * Nonexistant files return FALSE.
+ */
+int is_directory(const char *fileName, const int followLinks, struct stat *statBuf)
+{
+	int status;
+	int didMalloc = 0;
+
+	if (statBuf == NULL) {
+	    statBuf = (struct stat *)xmalloc(sizeof(struct stat));
+	    ++didMalloc;
+	}
+
+	if (followLinks == TRUE)
+		status = stat(fileName, statBuf);
+	else
+		status = lstat(fileName, statBuf);
+
+	if (status < 0 || !(S_ISDIR(statBuf->st_mode))) {
+	    status = FALSE;
+	}
+	else status = TRUE;
+
+	if (didMalloc) {
+	    free(statBuf);
+	    statBuf = NULL;
+	}
+	return status;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/kernel_version.c b/libbb/kernel_version.c
new file mode 100644
index 0000000..09cd582
--- /dev/null
+++ b/libbb/kernel_version.c
@@ -0,0 +1,66 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/utsname.h>		/* for uname(2) */
+
+#include "libbb.h"
+
+/* Returns kernel version encoded as major*65536 + minor*256 + patch,
+ * so, for example,  to check if the kernel is greater than 2.2.11:
+ *     if (get_kernel_revision() <= 2*65536+2*256+11) { <stuff> }
+ */
+extern int get_kernel_revision(void)
+{
+	struct utsname name;
+	char *s;
+	int i, r;
+
+	if (uname(&name) == -1) {
+		perror_msg("cannot get system information");
+		return (0);
+	}
+
+	s = name.release;
+	r = 0;
+	for (i=0 ; i<3 ; i++) {
+		r = r * 256 + atoi(strtok(s, "."));
+		s = NULL;
+	}
+	return r;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/libbb.h b/libbb/libbb.h
new file mode 100644
index 0000000..a85987d
--- /dev/null
+++ b/libbb/libbb.h
@@ -0,0 +1,209 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Busybox main internal header file
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+#ifndef	__LIBBB_H__
+#define	__LIBBB_H__    1
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#ifdef DMALLOC
+#include "dmalloc.h"
+#endif
+
+#include <features.h>
+/* Stupid libc doesn't have a reliable way for use to know 
+ * that libc5 is being used.   Assume this is good enough */ 
+#if ! defined __GLIBC__ && ! defined __UCLIBC__
+/* libc5 doesn't define socklen_t */
+typedef unsigned int socklen_t;
+#endif	
+
+/* Some useful definitions */
+#define FALSE   ((int) 0)
+#define TRUE    ((int) 1)
+#define SKIP	((int) 2)
+
+/* for mtab.c */
+#define MTAB_GETMOUNTPT '1'
+#define MTAB_GETDEVICE  '2'
+
+#define BUF_SIZE        8192
+#define EXPAND_ALLOC    1024
+
+static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
+static inline int is_octal(ch)   { return ((ch >= '0') && (ch <= '7')); }
+
+/* Macros for min/max.  */
+#ifndef MIN
+#define	MIN(a,b) (((a)<(b))?(a):(b))
+#endif
+
+#ifndef MAX
+#define	MAX(a,b) (((a)>(b))?(a):(b))
+#endif
+
+
+
+extern void show_usage(void) __attribute__ ((noreturn));
+extern void error_msg(const char *s, ...);
+extern void error_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
+extern void perror_msg(const char *s, ...);
+extern void perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn));
+
+const char *mode_string(int mode);
+const char *time_string(time_t timeVal);
+int is_directory(const char *name, const int followLinks, struct stat *statBuf);
+int isDevice(const char *name);
+
+typedef struct ino_dev_hash_bucket_struct {
+  struct ino_dev_hash_bucket_struct *next;
+  ino_t ino;
+  dev_t dev;
+  char name[1];
+} ino_dev_hashtable_bucket_t;
+int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
+void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
+void reset_ino_dev_hashtable(void);
+
+int copy_file(const char *srcName, const char *destName,
+		 int setModes, int followLinks, int forceFlag);
+int copy_file_chunk(int srcFd, int dstFd, size_t remaining);
+char *buildName(const char *dirName, const char *fileName);
+int makeString(int argc, const char **argv, char *buf, int bufLen);
+char *getChunk(int size);
+char *chunkstrdup(const char *str);
+void freeChunks(void);
+ssize_t safe_read(int fd, void *buf, size_t count);
+int full_write(int fd, const char *buf, int len);
+int full_read(int fd, char *buf, int len);
+int recursive_action(const char *fileName, int recurse, int followLinks, int depthFirst,
+	  int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData),
+	  int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData),
+	  void* userData);
+
+extern int create_path (const char *name, int mode);
+extern int parse_mode( const char* s, mode_t* theMode);
+
+extern int get_kernel_revision(void);
+
+extern int get_console_fd(char* tty_name);
+extern struct mntent *find_mount_point(const char *name, const char *table);
+extern void write_mtab(char* blockDevice, char* directory, 
+	char* filesystemType, long flags, char* string_flags);
+extern void erase_mtab(const char * name);
+extern void mtab_read(void);
+extern char *mtab_first(void **iter);
+extern char *mtab_next(void **iter);
+extern char *mtab_getinfo(const char *match, const char which);
+extern int check_wildcard_match(const char* text, const char* pattern);
+extern long atoi_w_units (const char *cp);
+extern pid_t* find_pid_by_name( char* pidName);
+extern int find_real_root_device_name(char* name);
+extern char *get_line_from_file(FILE *file);
+extern void print_file(FILE *file);
+extern int print_file_by_name(char *filename);
+extern char process_escape_sequence(char **ptr);
+extern char *get_last_path_component(char *path);
+extern FILE *wfopen(const char *path, const char *mode);
+extern FILE *xfopen(const char *path, const char *mode);
+extern void chomp(char *s);
+extern void trim(char *s);
+extern struct BB_applet *find_applet_by_name(const char *name);
+void run_applet_by_name(const char *name, int argc, char **argv);
+
+#ifndef DMALLOC
+extern void *xmalloc (size_t size);
+extern void *xrealloc(void *old, size_t size);
+extern void *xcalloc(size_t nmemb, size_t size);
+extern char *xstrdup (const char *s);
+#endif
+extern char *xstrndup (const char *s, int n);
+extern char * safe_strncpy(char *dst, const char *src, size_t size);
+
+struct suffix_mult {
+	char *suffix;
+	int mult;
+};
+
+extern unsigned long parse_number(const char *numstr,
+		const struct suffix_mult *suffixes);
+
+
+/* These parse entries in /etc/passwd and /etc/group.  This is desirable
+ * for BusyBox since we want to avoid using the glibc NSS stuff, which
+ * increases target size and is often not needed embedded systems.  */
+extern long my_getpwnam(const char *name);
+extern long my_getgrnam(const char *name);
+extern void my_getpwuid(char *name, long uid);
+extern void my_getgrgid(char *group, long gid);
+extern long my_getpwnamegid(const char *name);
+
+extern int device_open(char *device, int mode);
+
+extern int del_loop(const char *device);
+extern int set_loop(const char *device, const char *file, int offset, int *loopro);
+extern char *find_unused_loop_device (void);
+
+
+#if (__GLIBC__ < 2)
+extern int vdprintf(int d, const char *format, va_list ap);
+#endif
+
+int nfsmount(const char *spec, const char *node, int *flags,
+	     char **extra_opts, char **mount_opts, int running_bg);
+
+void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg);
+void syslog_msg(int facility, int pri, const char *msg);
+
+/* Include our own copy of struct sysinfo to avoid binary compatability
+ * problems with Linux 2.4, which changed things.  Grumble, grumble. */
+struct sysinfo {
+	long uptime;			/* Seconds since boot */
+	unsigned long loads[3];		/* 1, 5, and 15 minute load averages */
+	unsigned long totalram;		/* Total usable main memory size */
+	unsigned long freeram;		/* Available memory size */
+	unsigned long sharedram;	/* Amount of shared memory */
+	unsigned long bufferram;	/* Memory used by buffers */
+	unsigned long totalswap;	/* Total swap space size */
+	unsigned long freeswap;		/* swap space still available */
+	unsigned short procs;		/* Number of current processes */
+	unsigned long totalhigh;	/* Total high memory size */
+	unsigned long freehigh;		/* Available high memory size */
+	unsigned int mem_unit;		/* Memory unit size in bytes */
+	char _f[20-2*sizeof(long)-sizeof(int)];	/* Padding: libc5 uses this.. */
+};
+extern int sysinfo (struct sysinfo* info);
+
+const char *make_human_readable_str(unsigned long val, unsigned long hr);
+enum {
+	KILOBYTE = 1024,
+	MEGABYTE = (KILOBYTE*1024),
+	GIGABYTE = (MEGABYTE*1024)
+};
+
+int ask_confirmation(void);
+
+#endif /* __LIBBB_H__ */
diff --git a/libbb/loop.c b/libbb/loop.c
new file mode 100644
index 0000000..4754b8d
--- /dev/null
+++ b/libbb/loop.c
@@ -0,0 +1,128 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include "libbb.h"
+#include "loop.h" /* Pull in loop device support */
+
+extern int del_loop(const char *device)
+{
+	int fd;
+
+	if ((fd = open(device, O_RDONLY)) < 0) {
+		perror_msg("%s", device);
+		return (FALSE);
+	}
+	if (ioctl(fd, LOOP_CLR_FD, 0) < 0) {
+		perror_msg("ioctl: LOOP_CLR_FD");
+		return (FALSE);
+	}
+	close(fd);
+	return (TRUE);
+}
+
+extern int set_loop(const char *device, const char *file, int offset,
+					int *loopro)
+{
+	struct loop_info loopinfo;
+	int fd, ffd, mode;
+
+	mode = *loopro ? O_RDONLY : O_RDWR;
+	if ((ffd = open(file, mode)) < 0 && !*loopro
+		&& (errno != EROFS || (ffd = open(file, mode = O_RDONLY)) < 0)) {
+		perror_msg("%s", file);
+		return 1;
+	}
+	if ((fd = open(device, mode)) < 0) {
+		close(ffd);
+		perror_msg("%s", device);
+		return 1;
+	}
+	*loopro = (mode == O_RDONLY);
+
+	memset(&loopinfo, 0, sizeof(loopinfo));
+	safe_strncpy(loopinfo.lo_name, file, LO_NAME_SIZE);
+
+	loopinfo.lo_offset = offset;
+
+	loopinfo.lo_encrypt_key_size = 0;
+	if (ioctl(fd, LOOP_SET_FD, ffd) < 0) {
+		perror_msg("ioctl: LOOP_SET_FD");
+		close(fd);
+		close(ffd);
+		return 1;
+	}
+	if (ioctl(fd, LOOP_SET_STATUS, &loopinfo) < 0) {
+		(void) ioctl(fd, LOOP_CLR_FD, 0);
+		perror_msg("ioctl: LOOP_SET_STATUS");
+		close(fd);
+		close(ffd);
+		return 1;
+	}
+	close(fd);
+	close(ffd);
+	return 0;
+}
+
+extern char *find_unused_loop_device(void)
+{
+	char dev[20];
+	int i, fd;
+	struct stat statbuf;
+	struct loop_info loopinfo;
+
+	for (i = 0; i <= 7; i++) {
+		sprintf(dev, "/dev/loop%d", i);
+		if (stat(dev, &statbuf) == 0 && S_ISBLK(statbuf.st_mode)) {
+			if ((fd = open(dev, O_RDONLY)) >= 0) {
+				if (ioctl(fd, LOOP_GET_STATUS, &loopinfo) != 0) {
+					if (errno == ENXIO) {	/* probably free */
+						close(fd);
+						return strdup(dev);
+					}
+				}
+				close(fd);
+			}
+		}
+	}
+	return NULL;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/mode_string.c b/libbb/mode_string.c
new file mode 100644
index 0000000..0a3d6e6
--- /dev/null
+++ b/libbb/mode_string.c
@@ -0,0 +1,82 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+
+#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
+#define TYPECHAR(mode)  ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
+
+/* The special bits. If set, display SMODE0/1 instead of MODE0/1 */
+static const mode_t SBIT[] = {
+	0, 0, S_ISUID,
+	0, 0, S_ISGID,
+	0, 0, S_ISVTX
+};
+
+/* The 9 mode bits to test */
+static const mode_t MBIT[] = {
+	S_IRUSR, S_IWUSR, S_IXUSR,
+	S_IRGRP, S_IWGRP, S_IXGRP,
+	S_IROTH, S_IWOTH, S_IXOTH
+};
+
+static const char MODE1[]  = "rwxrwxrwx";
+static const char MODE0[]  = "---------";
+static const char SMODE1[] = "..s..s..t";
+static const char SMODE0[] = "..S..S..T";
+
+/*
+ * Return the standard ls-like mode string from a file mode.
+ * This is static and so is overwritten on each call.
+ */
+const char *mode_string(int mode)
+{
+	static char buf[12];
+
+	int i;
+
+	buf[0] = TYPECHAR(mode);
+	for (i = 0; i < 9; i++) {
+		if (mode & SBIT[i])
+			buf[i + 1] = (mode & MBIT[i]) ? SMODE1[i] : SMODE0[i];
+		else
+			buf[i + 1] = (mode & MBIT[i]) ? MODE1[i] : MODE0[i];
+	}
+	return buf;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/parse_mode.c b/libbb/parse_mode.c
new file mode 100644
index 0000000..33a8781
--- /dev/null
+++ b/libbb/parse_mode.c
@@ -0,0 +1,138 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+
+/* This function parses the sort of string you might pass
+ * to chmod (i.e.  [ugoa]{+|-|=}[rwxst] ) and returns the
+ * correct mode described by the string. */
+extern int parse_mode(const char *s, mode_t * theMode)
+{
+	static const mode_t group_set[] = { 
+		S_ISUID | S_IRWXU,		/* u */
+		S_ISGID | S_IRWXG,		/* g */
+		S_IRWXO,				/* o */
+		S_ISUID | S_ISGID | S_ISVTX | S_IRWXU | S_IRWXG | S_IRWXO /* a */
+	};
+
+	static const mode_t mode_set[] = {
+		S_IRUSR | S_IRGRP | S_IROTH, /* r */
+		S_IWUSR | S_IWGRP | S_IWOTH, /* w */
+		S_IXUSR | S_IXGRP | S_IXOTH, /* x */
+		S_ISUID | S_ISGID,		/* s */
+		S_ISVTX					/* t */
+	};
+
+	static const char group_string[] = "ugoa";
+	static const char mode_string[] = "rwxst";
+
+	const char *p;
+
+	mode_t andMode =
+		S_ISVTX | S_ISUID | S_ISGID | S_IRWXU | S_IRWXG | S_IRWXO;
+	mode_t orMode = 0;
+	mode_t mode;
+	mode_t groups;
+	char type;
+	char c;
+
+	if (s==NULL) {
+		return (FALSE);
+	}
+
+	do {
+		mode = 0;
+		groups = 0;
+	NEXT_GROUP:
+		if ((c = *s++) == '\0') {
+			return -1;
+		}
+		for (p=group_string ; *p ; p++) {
+			if (*p == c) {
+				groups |= group_set[(int)(p-group_string)];
+				goto NEXT_GROUP;
+			}
+		}
+		switch (c) {
+			case '=':
+			case '+':
+			case '-':
+				type = c;
+				if (groups == 0) { /* The default is "all" */
+					groups |= S_ISUID | S_ISGID | S_ISVTX
+							| S_IRWXU | S_IRWXG | S_IRWXO;
+				}
+				break;
+			default:
+				if ((c < '0') || (c > '7') || (mode | groups)) {
+					return (FALSE);
+				} else {
+					*theMode = strtol(--s, NULL, 8);
+					return (TRUE);
+				}
+		}
+
+	NEXT_MODE:
+		if (((c = *s++) != '\0') && (c != ',')) {
+			for (p=mode_string ; *p ; p++) {
+				if (*p == c) {
+					mode |= mode_set[(int)(p-mode_string)];
+					goto NEXT_MODE;
+				}
+			}
+			break;				/* We're done so break out of loop.*/
+		}
+		switch (type) {
+			case '=':
+				andMode &= ~(groups); /* Now fall through. */
+			case '+':
+				orMode |= mode & groups;
+				break;
+			case '-':
+				andMode &= ~(mode & groups);
+				orMode &= ~(mode & groups);
+				break;
+		}
+	} while (c == ',');
+
+	*theMode &= andMode;
+	*theMode |= orMode;
+
+	return TRUE;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/parse_number.c b/libbb/parse_number.c
new file mode 100644
index 0000000..c90511d
--- /dev/null
+++ b/libbb/parse_number.c
@@ -0,0 +1,74 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "libbb.h"
+
+
+unsigned long parse_number(const char *numstr,
+		const struct suffix_mult *suffixes)
+{
+	const struct suffix_mult *sm;
+	unsigned long int ret;
+	int len;
+	char *end;
+	
+	ret = strtoul(numstr, &end, 10);
+	if (numstr == end)
+		error_msg_and_die("invalid number `%s'", numstr);
+	while (end[0] != '\0') {
+		sm = suffixes;
+		while ( sm != 0 ) {
+			if(sm->suffix) {
+				len = strlen(sm->suffix);
+				if (strncmp(sm->suffix, end, len) == 0) {
+					ret *= sm->mult;
+					end += len;
+					break;
+				}
+			sm++;
+			
+			} else
+				sm = 0;
+		}
+		if (sm == 0)
+			error_msg_and_die("invalid number `%s'", numstr);
+	}
+	return ret;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/print_file.c b/libbb/print_file.c
new file mode 100644
index 0000000..52a3977
--- /dev/null
+++ b/libbb/print_file.c
@@ -0,0 +1,59 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+extern void print_file(FILE *file)
+{
+	int c;
+
+	while ((c = getc(file)) != EOF)
+		putc(c, stdout);
+	fclose(file);
+	fflush(stdout);
+}
+
+extern int print_file_by_name(char *filename)
+{
+	FILE *file;
+	if ((file = wfopen(filename, "r")) == NULL)
+		return FALSE;
+	print_file(file);
+	return TRUE;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/process_escape_sequence.c b/libbb/process_escape_sequence.c
new file mode 100644
index 0000000..ad2be94
--- /dev/null
+++ b/libbb/process_escape_sequence.c
@@ -0,0 +1,83 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <limits.h>
+#include "libbb.h"
+
+
+
+char process_escape_sequence(char **ptr)
+{
+       static const char charmap[] = {
+		   'a',  'b',  'f',  'n',  'r',  't',  'v',  '\\', 0,
+	       '\a', '\b', '\f', '\n', '\r', '\t', '\v', '\\', '\\' };
+
+       const char *p;
+	   char *q;
+       int num_digits;
+       unsigned int n;
+
+       n = 0;
+	   q = *ptr;
+
+       for ( num_digits = 0 ; num_digits < 3 ; ++num_digits) {
+	       if ((*q < '0') || (*q > '7')) { /* not a digit? */
+		       break;
+	       }
+	       n = n * 8 + (*q++ - '0');
+       }
+
+       if (num_digits == 0) {	/* mnemonic escape sequence? */
+		   for (p=charmap ; *p ; p++) {
+			   if (*p == *q) {
+				   q++;
+				   break;
+			   }
+		   }
+		   n = *(p+(sizeof(charmap)/2));
+	   }
+
+	   /* doesn't hurt to fall through to here from mnemonic case */
+	   if (n > UCHAR_MAX) {	/* is octal code too big for a char? */
+		   n /= 8;			/* adjust value and */
+		   --q;				/* back up one char */
+	   }
+
+	   *ptr = q;
+	   return (char) n;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/pwd_grp_wrappers.c b/libbb/pwd_grp_wrappers.c
new file mode 100644
index 0000000..e7b7e38
--- /dev/null
+++ b/libbb/pwd_grp_wrappers.c
@@ -0,0 +1,109 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "../pwd_grp/pwd.h"
+#include "../pwd_grp/grp.h"
+#include "libbb.h"
+
+
+
+/* returns a uid given a username */
+long my_getpwnam(const char *name)
+{
+	struct passwd *myuser;
+
+	myuser  = getpwnam(name);
+	if (myuser==NULL)
+		error_msg_and_die("unknown user name: %s", name);
+
+	return myuser->pw_uid;
+}
+
+/* returns a gid given a group name */
+long my_getgrnam(const char *name)
+{
+	struct group *mygroup;
+
+	mygroup  = getgrnam(name);
+	if (mygroup==NULL)
+		error_msg_and_die("unknown group name: %s", name);
+
+	return (mygroup->gr_gid);
+}
+
+/* gets a username given a uid */
+void my_getpwuid(char *name, long uid)
+{
+	struct passwd *myuser;
+
+	myuser  = getpwuid(uid);
+	if (myuser==NULL)
+		sprintf(name, "%-8ld ", (long)uid);
+	else
+		strcpy(name, myuser->pw_name);
+}
+
+/* gets a groupname given a gid */
+void my_getgrgid(char *group, long gid)
+{
+	struct group *mygroup;
+
+	mygroup  = getgrgid(gid);
+	if (mygroup==NULL)
+		sprintf(group, "%-8ld ", (long)gid);
+	else
+		strcpy(group, mygroup->gr_name);
+}
+
+/* gets a gid given a user name */
+long my_getpwnamegid(const char *name)
+{
+	struct group *mygroup;
+	struct passwd *myuser;
+
+	myuser=getpwnam(name);
+	if (myuser==NULL)
+		error_msg_and_die("unknown user name: %s", name);
+
+	mygroup  = getgrgid(myuser->pw_gid);
+	if (mygroup==NULL)
+		error_msg_and_die("unknown gid %ld", (long)myuser->pw_gid);
+
+	return mygroup->gr_gid;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/recursive_action.c b/libbb/recursive_action.c
new file mode 100644
index 0000000..6b93340
--- /dev/null
+++ b/libbb/recursive_action.c
@@ -0,0 +1,160 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include "libbb.h"
+
+/* same conditions as recursive_action */
+#define bb_need_name_too_long
+#define BB_DECLARE_EXTERN
+#include "../messages.c"
+
+#undef DEBUG_RECURS_ACTION
+
+
+/*
+ * Walk down all the directories under the specified 
+ * location, and do something (something specified
+ * by the fileAction and dirAction function pointers).
+ *
+ * Unfortunately, while nftw(3) could replace this and reduce 
+ * code size a bit, nftw() wasn't supported before GNU libc 2.1, 
+ * and so isn't sufficiently portable to take over since glibc2.1
+ * is so stinking huge.
+ */
+int recursive_action(const char *fileName,
+					int recurse, int followLinks, int depthFirst,
+					int (*fileAction) (const char *fileName,
+									   struct stat * statbuf,
+									   void* userData),
+					int (*dirAction) (const char *fileName,
+									  struct stat * statbuf,
+									  void* userData),
+					void* userData)
+{
+	int status;
+	struct stat statbuf;
+	struct dirent *next;
+
+	if (followLinks == TRUE)
+		status = stat(fileName, &statbuf);
+	else
+		status = lstat(fileName, &statbuf);
+
+	if (status < 0) {
+#ifdef DEBUG_RECURS_ACTION
+		fprintf(stderr,
+				"status=%d followLinks=%d TRUE=%d\n",
+				status, followLinks, TRUE);
+#endif
+		perror_msg("%s", fileName);
+		return FALSE;
+	}
+
+	if ((followLinks == FALSE) && (S_ISLNK(statbuf.st_mode))) {
+		if (fileAction == NULL)
+			return TRUE;
+		else
+			return fileAction(fileName, &statbuf, userData);
+	}
+
+	if (recurse == FALSE) {
+		if (S_ISDIR(statbuf.st_mode)) {
+			if (dirAction != NULL)
+				return (dirAction(fileName, &statbuf, userData));
+			else
+				return TRUE;
+		}
+	}
+
+	if (S_ISDIR(statbuf.st_mode)) {
+		DIR *dir;
+
+		if (dirAction != NULL && depthFirst == FALSE) {
+			status = dirAction(fileName, &statbuf, userData);
+			if (status == FALSE) {
+				perror_msg("%s", fileName);
+				return FALSE;
+			} else if (status == SKIP)
+				return TRUE;
+		}
+		dir = opendir(fileName);
+		if (!dir) {
+			perror_msg("%s", fileName);
+			return FALSE;
+		}
+		status = TRUE;
+		while ((next = readdir(dir)) != NULL) {
+			char nextFile[PATH_MAX];
+
+			if ((strcmp(next->d_name, "..") == 0)
+					|| (strcmp(next->d_name, ".") == 0)) {
+				continue;
+			}
+			if (strlen(fileName) + strlen(next->d_name) + 1 > PATH_MAX) {
+				error_msg(name_too_long);
+				return FALSE;
+			}
+			memset(nextFile, 0, sizeof(nextFile));
+			if (fileName[strlen(fileName)-1] == '/')
+				sprintf(nextFile, "%s%s", fileName, next->d_name);
+			else
+				sprintf(nextFile, "%s/%s", fileName, next->d_name);
+			if (recursive_action(nextFile, TRUE, followLinks, depthFirst,
+						fileAction, dirAction, userData) == FALSE) {
+				status = FALSE;
+			}
+		}
+		closedir(dir);
+		if (dirAction != NULL && depthFirst == TRUE) {
+			if (dirAction(fileName, &statbuf, userData) == FALSE) {
+				perror_msg("%s", fileName);
+				return FALSE;
+			}
+		}
+		if (status == FALSE)
+			return FALSE;
+	} else {
+		if (fileAction == NULL)
+			return TRUE;
+		else
+			return fileAction(fileName, &statbuf, userData);
+	}
+	return TRUE;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/safe_read.c b/libbb/safe_read.c
new file mode 100644
index 0000000..dbf4aa7
--- /dev/null
+++ b/libbb/safe_read.c
@@ -0,0 +1,54 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include "libbb.h"
+
+
+
+ssize_t safe_read(int fd, void *buf, size_t count)
+{
+	ssize_t n;
+
+	do {
+		n = read(fd, buf, count);
+	} while (n < 0 && errno == EINTR);
+
+	return n;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/safe_strncpy.c b/libbb/safe_strncpy.c
new file mode 100644
index 0000000..55ec798
--- /dev/null
+++ b/libbb/safe_strncpy.c
@@ -0,0 +1,48 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <string.h>
+#include "libbb.h"
+
+
+
+/* Like strncpy but make sure the resulting string is always 0 terminated. */  
+extern char * safe_strncpy(char *dst, const char *src, size_t size)
+{   
+	dst[size-1] = '\0';
+	return strncpy(dst, src, size-1);   
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/syscalls.c b/libbb/syscalls.c
new file mode 100644
index 0000000..0211546
--- /dev/null
+++ b/libbb/syscalls.c
@@ -0,0 +1,76 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <sys/syscall.h>
+#include <linux/unistd.h>
+
+#include "libbb.h"
+
+
+_syscall1(int, sysinfo, struct sysinfo *, info);
+
+/* Include our own version of <sys/mount.h>, since libc5 doesn't
+ * know about umount2 */
+extern _syscall1(int, umount, const char *, special_file);
+extern _syscall5(int, mount, const char *, special_file, const char *, dir,
+		const char *, fstype, unsigned long int, rwflag, const void *, data);
+
+#ifndef __NR_umount2
+# warning This kernel does not support the umount2 syscall
+# warning The umount2 system call is being stubbed out...
+int umount2(const char * special_file, int flags)
+{
+	/* BusyBox was compiled against a kernel that did not support
+	 *  the umount2 system call.  To make this application work,
+	 *  you will need to recompile with a kernel supporting the
+	 *  umount2 system call.
+	 */
+	fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n");
+	fprintf(stderr, "with a kernel supporting the umount2 system call. -Erik\n\n");
+	errno=ENOSYS;
+	return -1;
+}
+# else
+extern _syscall2(int, umount2, const char *, special_file, int, flags);
+#endif
+
+#ifndef __NR_query_module
+static const int __NR_query_module = 167;
+#endif
+_syscall5(int, query_module, const char *, name, int, which,
+		void *, buf, size_t, bufsize, size_t*, ret);
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/syslog_msg_with_name.c b/libbb/syslog_msg_with_name.c
new file mode 100644
index 0000000..d72755a
--- /dev/null
+++ b/libbb/syslog_msg_with_name.c
@@ -0,0 +1,53 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <sys/syslog.h>
+#include "libbb.h"
+
+extern const char *applet_name;
+
+void syslog_msg_with_name(const char *name, int facility, int pri, const char *msg)
+{
+ 	openlog(name, 0, facility);
+	syslog(pri, "%s", msg);
+	closelog();
+}
+
+void syslog_msg(int facility, int pri, const char *msg)
+{
+ 	syslog_msg_with_name(applet_name, facility, pri, msg);
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/time_string.c b/libbb/time_string.c
new file mode 100644
index 0000000..0765290
--- /dev/null
+++ b/libbb/time_string.c
@@ -0,0 +1,68 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <utime.h>
+#include "libbb.h"
+
+
+/*
+ * Return the standard ls-like time string from a time_t
+ * This is static and so is overwritten on each call.
+ */
+const char *time_string(time_t timeVal)
+{
+	time_t now;
+	char *str;
+	static char buf[26];
+
+	time(&now);
+
+	str = ctime(&timeVal);
+
+	strcpy(buf, &str[4]);
+	buf[12] = '\0';
+
+	if ((timeVal > now) || (timeVal < now - 365 * 24 * 60 * 60L)) {
+		strcpy(&buf[7], &str[20]);
+		buf[11] = '\0';
+	}
+
+	return buf;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/trim.c b/libbb/trim.c
new file mode 100644
index 0000000..8a9b07a
--- /dev/null
+++ b/libbb/trim.c
@@ -0,0 +1,52 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include "libbb.h"
+
+
+void trim(char *s)
+{
+	/* trim trailing whitespace */
+	while (isspace(s[strlen(s)-1]))
+		s[strlen(s)-1]='\0';
+
+	/* trim leading whitespace */
+	memmove(s, &s[strspn(s, " \n\r\t\v")], strlen(s));
+
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/vdprintf.c b/libbb/vdprintf.c
new file mode 100644
index 0000000..a18291b
--- /dev/null
+++ b/libbb/vdprintf.c
@@ -0,0 +1,52 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+
+
+
+#if (__GLIBC__ < 2)
+extern int vdprintf(int d, const char *format, va_list ap)
+{
+	char buf[BUF_SIZE];
+	int len;
+
+	len = vsprintf(buf, format, ap);
+	return write(d, buf, len);
+}
+#endif
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/wfopen.c b/libbb/wfopen.c
new file mode 100644
index 0000000..8b074d2
--- /dev/null
+++ b/libbb/wfopen.c
@@ -0,0 +1,50 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include "libbb.h"
+
+FILE *wfopen(const char *path, const char *mode)
+{
+	FILE *fp;
+	if ((fp = fopen(path, mode)) == NULL) {
+		perror_msg("%s", path);
+		errno = 0;
+	}
+	return fp;
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
new file mode 100644
index 0000000..e7f41aa
--- /dev/null
+++ b/libbb/xfuncs.c
@@ -0,0 +1,107 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "libbb.h"
+
+/* same conditions as recursive_action */
+#define bb_need_memory_exhausted
+#define BB_DECLARE_EXTERN
+#include "../messages.c"
+
+
+#ifndef DMALLOC
+extern void *xmalloc(size_t size)
+{
+	void *ptr = malloc(size);
+
+	if (!ptr)
+		error_msg_and_die(memory_exhausted);
+	return ptr;
+}
+
+extern void *xrealloc(void *old, size_t size)
+{
+	void *ptr = realloc(old, size);
+	if (!ptr)
+		error_msg_and_die(memory_exhausted);
+	return ptr;
+}
+
+extern void *xcalloc(size_t nmemb, size_t size)
+{
+	void *ptr = calloc(nmemb, size);
+	if (!ptr)
+		error_msg_and_die(memory_exhausted);
+	return ptr;
+}
+
+extern char * xstrdup (const char *s) {
+	char *t;
+
+	if (s == NULL)
+		return NULL;
+
+	t = strdup (s);
+
+	if (t == NULL)
+		error_msg_and_die(memory_exhausted);
+
+	return t;
+}
+#endif
+
+extern char * xstrndup (const char *s, int n) {
+	char *t;
+
+	if (s == NULL)
+		error_msg_and_die("xstrndup bug");
+
+	t = xmalloc(++n);
+	
+	return safe_strncpy(t,s,n);
+}
+
+FILE *xfopen(const char *path, const char *mode)
+{
+	FILE *fp;
+	if ((fp = fopen(path, mode)) == NULL)
+		perror_msg_and_die("%s", path);
+	return fp;
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/libbb/xregcomp.c b/libbb/xregcomp.c
new file mode 100644
index 0000000..6f5e2f0
--- /dev/null
+++ b/libbb/xregcomp.c
@@ -0,0 +1,53 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) tons of folks.  Tracking down who wrote what
+ * isn't something I'm going to worry about...  If you wrote something
+ * here, please feel free to acknowledge your work.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ */
+
+#include <stdio.h>
+#include "libbb.h"
+#include <regex.h>
+
+
+
+void xregcomp(regex_t *preg, const char *regex, int cflags)
+{
+	int ret;
+	if ((ret = regcomp(preg, regex, cflags)) != 0) {
+		int errmsgsz = regerror(ret, preg, NULL, 0);
+		char *errmsg = xmalloc(errmsgsz);
+		regerror(ret, preg, errmsg, errmsgsz);
+		error_msg_and_die("xregcomp: %s", errmsg);
+	}
+}
+
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/