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Diffstat (limited to 'coreutils/df.c')
-rw-r--r--coreutils/df.c68
1 files changed, 55 insertions, 13 deletions
diff --git a/coreutils/df.c b/coreutils/df.c
index dc48490..aa04682 100644
--- a/coreutils/df.c
+++ b/coreutils/df.c
@@ -28,6 +28,9 @@
#include <sys/vfs.h>
extern const char mtab_file[]; /* Defined in utility.c */
+#ifdef BB_FEATURE_HUMAN_READABLE
+unsigned long disp_hr = KILOBYTE;
+#endif
static int df(char *device, const char *mountPoint)
{
@@ -42,19 +45,32 @@ static int df(char *device, const char *mountPoint)
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(0 == blocks_used)
+ blocs_percent_used = 0;
+ else
+ blocks_percent_used = (long)
+ (blocks_used * 100.0 / (blocks_used + s.f_bavail) + 0.5);
if (strcmp(device, "/dev/root") == 0) {
/* Adjusts device to be the real root device,
* or leaves device alone if it can't find it */
find_real_root_device_name( device);
}
+#ifdef BB_FEATURE_HUMAN_READABLE
+ printf("%-20s %9s",
+ device,
+ format((s.f_blocks * s.f_bsize), disp_hr));
+ printf(" %9s", format((s.f_blocks - s.f_bfree) * s.f_bsize, disp_hr));
+ printf(" %9s %3ld%% %s\n",
+ format(s.f_bavail * s.f_bsize, disp_hr),
+ blocks_percent_used, mountPoint);
+#else
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);
+#endif
}
@@ -64,24 +80,46 @@ static int df(char *device, const char *mountPoint)
extern int df_main(int argc, char **argv)
{
int status = EXIT_SUCCESS;
+ int opt = 0;
+ int i = 0;
+
+ while ((opt = getopt(argc, argv, "?"
+#ifdef BB_FEATURE_HUMAN_READABLE
+ "hm"
+#endif
+ "k"
+)) > 0)
+ {
+ switch (opt) {
+#ifdef BB_FEATURE_HUMAN_READABLE
+ case 'h': disp_hr = 0; break;
+ case 'm': disp_hr = MEGABYTE; break;
+ case 'k': disp_hr = KILOBYTE; break;
+#else
+ case 'k': break;
+#endif
+ case '?': goto print_df_usage; break;
+ }
+ }
printf("%-20s %-14s %s %s %s %s\n", "Filesystem",
- "1k-blocks", "Used", "Available", "Use%", "Mounted on");
+#ifdef BB_FEATURE_HUMAN_READABLE
+ (KILOBYTE == disp_hr) ? "1k-blocks" : " Size",
+#else
+ "1k-blocks",
+#endif
+ "Used", "Available", "Use%", "Mounted on");
- if (argc > 1) {
- struct mntent *mountEntry;
- if (**(argv + 1) == '-') {
- usage(df_usage);
- }
- while (argc > 1) {
- if ((mountEntry = find_mount_point(argv[1], mtab_file)) == 0) {
- error_msg("%s: can't find mount point.\n", argv[1]);
+ if(optind < argc) {
+ struct mntent *mountEntry;
+ for(i = optind; i < argc; i++)
+ {
+ if ((mountEntry = find_mount_point(argv[i], mtab_file)) == 0) {
+ error_msg("%s: can't find mount point.\n", argv[i]);
status = EXIT_FAILURE;
} else if (!df(mountEntry->mnt_fsname, mountEntry->mnt_dir))
status = EXIT_FAILURE;
- argc--;
- argv++;
}
} else {
FILE *mountTable;
@@ -101,6 +139,10 @@ extern int df_main(int argc, char **argv)
}
return status;
+
+print_df_usage:
+ usage(df_usage);
+ return(FALSE);
}
/*