*
*/
-#include "busybox.h"
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include <mntent.h>
#include <sys/vfs.h>
#include <getopt.h>
+#include "busybox.h"
extern const char mtab_file[]; /* Defined in utility.c */
#ifdef BB_FEATURE_HUMAN_READABLE
-unsigned long disp_hr = KILOBYTE;
+static unsigned long df_disp_hr = KILOBYTE;
#endif
-static int df(char *device, const char *mountPoint)
+static int do_df(char *device, const char *mount_point)
{
struct statfs s;
long blocks_used;
long blocks_percent_used;
+#ifdef BB_FEATURE_HUMAN_READABLE
+ long base;
+#endif
- if (statfs(mountPoint, &s) != 0) {
- perror_msg("%s", mountPoint);
+ if (statfs(mount_point, &s) != 0) {
+ perror_msg("%s", mount_point);
return FALSE;
}
if (s.f_blocks > 0) {
blocks_used = s.f_blocks - s.f_bfree;
- if(0 == blocks_used)
+ if(blocks_used == 0)
blocks_percent_used = 0;
- else
+ 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);
+ switch (df_disp_hr) {
+ case MEGABYTE:
+ base = KILOBYTE;
+ break;
+ case KILOBYTE:
+ base = 1;
+ break;
+ default:
+ base = 0;
+ }
+ printf("%-20s %9s ", device,
+ make_human_readable_str((unsigned long)(s.f_blocks *
+ (s.f_bsize/(double)KILOBYTE)), base));
+ printf("%9s ",
+ make_human_readable_str((unsigned long)(
+ (s.f_blocks - s.f_bfree) *
+ (s.f_bsize/(double)KILOBYTE)), base));
+ printf("%9s %3ld%% %s\n",
+ make_human_readable_str((unsigned long)(s.f_bavail *
+ (s.f_bsize/(double)KILOBYTE)), base),
+ blocks_percent_used, mount_point);
#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);
+ device,
+ (long) (s.f_blocks * (s.f_bsize / (double)KILOBYTE)),
+ (long) ((s.f_blocks - s.f_bfree)*(s.f_bsize/(double)KILOBYTE)),
+ (long) (s.f_bavail * (s.f_bsize / (double)KILOBYTE)),
+ blocks_percent_used, mount_point);
#endif
-
}
return TRUE;
int status = EXIT_SUCCESS;
int opt = 0;
int i = 0;
+ char disp_units_hdr[80] = "1k-blocks"; /* default display is kilobytes */
- while ((opt = getopt(argc, argv, "?"
+ while ((opt = getopt(argc, argv, "k"
#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;
+ case 'h':
+ df_disp_hr = 0;
+ strcpy(disp_units_hdr, " Size");
+ break;
+ case 'm':
+ df_disp_hr = MEGABYTE;
+ strcpy(disp_units_hdr, "1M-blocks");
+ break;
#endif
- case '?': goto print_df_usage; break;
+ case 'k':
+ /* default display is kilobytes */
+ break;
+ default:
+ show_usage();
}
}
- printf("%-20s %-14s %s %s %s %s\n", "Filesystem",
-#ifdef BB_FEATURE_HUMAN_READABLE
- (KILOBYTE == disp_hr) ? "1k-blocks" : " Size",
-#else
- "1k-blocks",
-#endif
+ printf("%-20s %-14s %s %s %s %s\n", "Filesystem", disp_units_hdr,
"Used", "Available", "Use%", "Mounted on");
-
if(optind < argc) {
- struct mntent *mountEntry;
+ struct mntent *mount_entry;
for(i = optind; i < argc; i++)
{
- if ((mountEntry = find_mount_point(argv[i], mtab_file)) == 0) {
+ if ((mount_entry = find_mount_point(argv[i], mtab_file)) == 0) {
error_msg("%s: can't find mount point.", argv[i]);
status = EXIT_FAILURE;
- } else if (!df(mountEntry->mnt_fsname, mountEntry->mnt_dir))
+ } else if (!do_df(mount_entry->mnt_fsname, mount_entry->mnt_dir))
status = EXIT_FAILURE;
}
} else {
- FILE *mountTable;
- struct mntent *mountEntry;
+ FILE *mount_table;
+ struct mntent *mount_entry;
- mountTable = setmntent(mtab_file, "r");
- if (mountTable == 0) {
+ mount_table = setmntent(mtab_file, "r");
+ if (mount_table == 0) {
perror_msg("%s", mtab_file);
return EXIT_FAILURE;
}
- while ((mountEntry = getmntent(mountTable))) {
- if (!df(mountEntry->mnt_fsname, mountEntry->mnt_dir))
+ while ((mount_entry = getmntent(mount_table))) {
+ if (!do_df(mount_entry->mnt_fsname, mount_entry->mnt_dir))
status = EXIT_FAILURE;
}
- endmntent(mountTable);
+ endmntent(mount_table);
}
return status;
-
-print_df_usage:
- show_usage();
- return(FALSE);
}
/*
projects / oweals / busybox.git / blobdiff