Fixed up copyright notices and such

1 files changed, 118 insertions, 107 deletions

diff --git a/df.c b/df.c
index 7a72bf8..f8a953f 100644
--- a/df.c
+++ b/df.c
@@ -1,3 +1,26 @@
+/*
+ * Mini df implementation for busybox
+ *
+ * Copyright (C) 1999 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ * based on original code by (I think) Bruce Perens <bruce@pixar.com>.
+ *
+ * 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
+ *
+ */
+
 #include "internal.h"
 #include <stdio.h>
 #include <mntent.h>
@@ -5,42 +28,38 @@
 #include <sys/vfs.h>
 #include <fstab.h>
 
-static const char	df_usage[] = "df [filesystem ...]\n"
-"\n"
-"\tPrint the filesystem space used and space available.\n";
+static const char df_usage[] = "df [filesystem ...]\n"
+    "\n" "\tPrint the filesystem space used and space available.\n";
 
 
-static int
-df(char* device, const char * mountPoint)
+static int df(char *device, const char *mountPoint)
 {
-	struct statfs	s;
-	long		blocks_used;
-	long		blocks_percent_used;
-
-	if ( statfs(mountPoint, &s) != 0 ) {
-		perror(mountPoint);
-		return 1;
-	}
-	
-	if ( s.f_blocks > 0 ) {
-		blocks_used = s.f_blocks - s.f_bfree;
-		blocks_percent_used = (long)
-		 (blocks_used * 100.0 / (blocks_used + s.f_bavail) + 0.5);
-		if ( strcmp(device, "/dev/root")==0)
-		    device=(getfsfile ("/"))->fs_spec;
-
-		printf(
-		       "%-20s %9ld %9ld %9ld %3ld%% %s\n",
-		       device,
-		       (long)(s.f_blocks * (s.f_bsize / 1024.0)),
-		       (long)((s.f_blocks - s.f_bfree)  * (s.f_bsize / 1024.0)),
-		       (long)(s.f_bavail * (s.f_bsize / 1024.0)),
-		       blocks_percent_used,
-		       mountPoint);
-
-	}
-
-	return 0;
+    struct statfs s;
+    long blocks_used;
+    long blocks_percent_used;
+
+    if (statfs(mountPoint, &s) != 0) {
+	perror(mountPoint);
+	return 1;
+    }
+
+    if (s.f_blocks > 0) {
+	blocks_used = s.f_blocks - s.f_bfree;
+	blocks_percent_used = (long)
+	    (blocks_used * 100.0 / (blocks_used + s.f_bavail) + 0.5);
+	if (strcmp(device, "/dev/root") == 0)
+	    device = (getfsfile("/"))->fs_spec;
+
+	printf("%-20s %9ld %9ld %9ld %3ld%% %s\n",
+	       device,
+	       (long) (s.f_blocks * (s.f_bsize / 1024.0)),
+	       (long) ((s.f_blocks - s.f_bfree) * (s.f_bsize / 1024.0)),
+	       (long) (s.f_bavail * (s.f_bsize / 1024.0)),
+	       blocks_percent_used, mountPoint);
+
+    }
+
+    return 0;
 }
 
 /*
@@ -50,87 +69,79 @@ df(char* device, const char * mountPoint)
  * Given any other file (or directory), find the mount table entry for its
  * filesystem.
  */
-extern struct mntent *
-findMountPoint(const char* name, const char* table)
+extern struct mntent *findMountPoint(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;
+    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;
 }
 
 
 
-extern int
-df_main(int argc, char * * argv)
+extern int df_main(int argc, char **argv)
 {
-	printf("%-20s %-14s %s %s %s %s\n", "Filesystem",
-		"1k-blocks", "Used", "Available", "Use%", "Mounted on");
-
-	if ( argc > 1 ) {
-		struct mntent*	mountEntry;
-		int		status;
-
-		while ( argc > 1 ) {
-			if ( (mountEntry = findMountPoint(argv[1], "/proc/mounts")) == 0 )
-			{
-				fprintf(stderr, "%s: can't find mount point.\n" ,argv[1]);
-				return 1;
-			}
-			status = df(mountEntry->mnt_fsname, mountEntry->mnt_dir);
-			if ( status != 0 )
-				return status;
-			argc--;
-			argv++;
-		}
-		return 0;
-	}
-	else {
-		FILE *		mountTable;
-		struct mntent *	mountEntry;
-
-		mountTable = setmntent("/proc/mounts", "r");
-		if ( mountTable == 0) {
-			perror("/proc/mounts");
-			exit( FALSE);
-		}
-
-		while ( (mountEntry = getmntent (mountTable))) {
-			int status=df(mountEntry->mnt_fsname, mountEntry->mnt_dir);
-			if (status)
-				return status;
-		}
-		endmntent(mountTable);
+    printf("%-20s %-14s %s %s %s %s\n", "Filesystem",
+	   "1k-blocks", "Used", "Available", "Use%", "Mounted on");
+
+    if (argc > 1) {
+	struct mntent *mountEntry;
+	int status;
+
+	while (argc > 1) {
+	    if ((mountEntry = findMountPoint(argv[1], "/proc/mounts")) ==
+		0) {
+		fprintf(stderr, "%s: can't find mount point.\n", argv[1]);
+		return 1;
+	    }
+	    status = df(mountEntry->mnt_fsname, mountEntry->mnt_dir);
+	    if (status != 0)
+		return status;
+	    argc--;
+	    argv++;
 	}
-	
 	return 0;
-}
-
+    } else {
+	FILE *mountTable;
+	struct mntent *mountEntry;
+
+	mountTable = setmntent("/proc/mounts", "r");
+	if (mountTable == 0) {
+	    perror("/proc/mounts");
+	    exit(FALSE);
+	}
 
+	while ((mountEntry = getmntent(mountTable))) {
+	    int status = df(mountEntry->mnt_fsname, mountEntry->mnt_dir);
+	    if (status)
+		return status;
+	}
+	endmntent(mountTable);
+    }
 
+    return 0;
+}