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authorEric Andersen2001-04-09 22:48:12 +0000
committerEric Andersen2001-04-09 22:48:12 +0000
commite5dfced23a904d08afa5dcee190c3c3d845d9f50 (patch)
treeef367ee8a9096884fb40debdc9e10af8583f9d5f /libbb
parenta75e2867435faa68ea03735fe09ad298fa3e4e72 (diff)
downloadbusybox-e5dfced23a904d08afa5dcee190c3c3d845d9f50.zip
busybox-e5dfced23a904d08afa5dcee190c3c3d845d9f50.tar.gz
Apply Vladimir's latest cleanup patch.
-Erik
Diffstat (limited to 'libbb')
-rw-r--r--libbb/concat_path_file.c24
-rw-r--r--libbb/libbb.h7
-rw-r--r--libbb/print_file.c29
-rw-r--r--libbb/process_escape_sequence.c73
-rw-r--r--libbb/xgetcwd.c52
5 files changed, 133 insertions, 52 deletions
diff --git a/libbb/concat_path_file.c b/libbb/concat_path_file.c
new file mode 100644
index 0000000..d53dc0e
--- /dev/null
+++ b/libbb/concat_path_file.c
@@ -0,0 +1,24 @@
+/*
+ * busybox library eXtendet funcion
+ *
+ * concatenate path and file name to new allocation buffer,
+ * not addition '/' if path name already have '/'
+ *
+*/
+
+#include "libbb.h"
+
+extern char *concat_path_file(const char *path, const char *filename)
+{
+ char *outbuf;
+ int l;
+ int flg_slash = 1;
+
+ l = strlen(path);
+ if(l>0 && path[l-1] == '/')
+ flg_slash--;
+ l += strlen(filename);
+ outbuf = xmalloc(l+1+flg_slash);
+ sprintf(outbuf, (flg_slash ? "%s/%s" : "%s%s"), path, filename);
+ return outbuf;
+}
diff --git a/libbb/libbb.h b/libbb/libbb.h
index 05f61f2..0001cac 100644
--- a/libbb/libbb.h
+++ b/libbb/libbb.h
@@ -131,7 +131,7 @@ 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 process_escape_sequence(const 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);
@@ -150,7 +150,7 @@ 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;
+ const char *suffix;
int mult;
};
@@ -213,4 +213,7 @@ enum {
int ask_confirmation(void);
int klogctl(int type, char * b, int len);
+char *xgetcwd(char *cwd);
+char *concat_path_file(const char *path, const char *filename);
+
#endif /* __LIBBB_H__ */
diff --git a/libbb/print_file.c b/libbb/print_file.c
index 52a3977..b477234 100644
--- a/libbb/print_file.c
+++ b/libbb/print_file.c
@@ -2,9 +2,7 @@
/*
* 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.
+ * Copyright (C) 1999-2001 Erik Andersen <andersee@debian.org>
*
* 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
@@ -19,13 +17,10 @@
* 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"
@@ -41,11 +36,21 @@ extern void print_file(FILE *file)
extern int print_file_by_name(char *filename)
{
- FILE *file;
- if ((file = wfopen(filename, "r")) == NULL)
- return FALSE;
- print_file(file);
- return TRUE;
+ struct stat statBuf;
+ int status = TRUE;
+
+ if(is_directory(filename, TRUE, &statBuf)==TRUE) {
+ error_msg("%s: Is directory", filename);
+ status = FALSE;
+ } else {
+ FILE *f = wfopen(filename, "r");
+ if(f!=NULL)
+ print_file(f);
+ else
+ status = FALSE;
+ }
+
+ return status;
}
diff --git a/libbb/process_escape_sequence.c b/libbb/process_escape_sequence.c
index ad2be94..67b0490 100644
--- a/libbb/process_escape_sequence.c
+++ b/libbb/process_escape_sequence.c
@@ -2,9 +2,8 @@
/*
* 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.
+ * Copyright (C) Manuel Nova III <mnovoa3@bellsouth.net>
+ * and Vladimir Oleynik <vodz@usa.net>
*
* 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
@@ -20,9 +19,7 @@
* 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>
@@ -31,45 +28,45 @@
-char process_escape_sequence(char **ptr)
+char process_escape_sequence(const 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;
+ static const char charmap[] = {
+ 'a', 'b', 'f', 'n', 'r', 't', 'v', '\\', 0,
+ '\a', '\b', '\f', '\n', '\r', '\t', '\v', '\\', '\\' };
- n = 0;
- q = *ptr;
+ const char *p;
+ const 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');
- }
+ 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));
- }
+ 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 */
- }
+ 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;
+ *ptr = q;
+ return (char) n;
}
diff --git a/libbb/xgetcwd.c b/libbb/xgetcwd.c
new file mode 100644
index 0000000..2746681
--- /dev/null
+++ b/libbb/xgetcwd.c
@@ -0,0 +1,52 @@
+/*
+ * xgetcwd.c -- return current directory with unlimited length
+ * Copyright (C) 1992, 1996 Free Software Foundation, Inc.
+ * Written by David MacKenzie <djm@gnu.ai.mit.edu>.
+ *
+ * Special function for busybox written by Vladimir Oleynik <vodz@usa.net>
+*/
+
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <limits.h>
+#include "libbb.h"
+
+/* Amount to increase buffer size by in each try. */
+#define PATH_INCR 32
+
+/* Return the current directory, newly allocated, arbitrarily long.
+ Return NULL and set errno on error.
+ If argument is not NULL (previous usage allocate memory), call free()
+*/
+
+char *
+xgetcwd (char *cwd)
+{
+ char *ret;
+ unsigned path_max;
+
+ errno = 0;
+ path_max = (unsigned) PATH_MAX;
+ path_max += 2; /* The getcwd docs say to do this. */
+
+ if(cwd==0)
+ cwd = xmalloc (path_max);
+
+ errno = 0;
+ while ((ret = getcwd (cwd, path_max)) == NULL && errno == ERANGE) {
+ path_max += PATH_INCR;
+ cwd = xrealloc (cwd, path_max);
+ errno = 0;
+ }
+
+ if (ret == NULL) {
+ int save_errno = errno;
+ free (cwd);
+ errno = save_errno;
+ perror_msg("getcwd()");
+ return NULL;
+ }
+
+ return cwd;
+}