/*
* Mini df implementation for busybox
*
- * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
- * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.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
- *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* BB_AUDIT SUSv3 _NOT_ compliant -- options -P and -t missing. Also blocksize. */
/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
*
* Size reduction. Removed floating point dependency. Added error checking
- * on output. Output stats on 0-sized filesystems if specificly listed on
+ * on output. Output stats on 0-sized filesystems if specifically listed on
* the command line. Properly round *-blocks, Used, and Available quantities.
*/
}
#endif
-extern int df_main(int argc, char **argv)
+int df_main(int argc, char **argv)
{
long blocks_used;
long blocks_percent_used;
#ifdef CONFIG_FEATURE_HUMAN_READABLE
- unsigned long df_disp_hr = KILOBYTE;
+ unsigned long df_disp_hr = KILOBYTE;
#endif
int status = EXIT_SUCCESS;
- int opt;
+ unsigned long opt;
FILE *mount_table;
struct mntent *mount_entry;
struct statfs s;
- static const char hdr_1k[] = "1k-blocks"; /* default display is kilobytes */;
+ static const char hdr_1k[] = "1k-blocks"; /* default display is kilobytes */
const char *disp_units_hdr = hdr_1k;
- while ((opt = getopt(argc, argv, "k"
#ifdef CONFIG_FEATURE_HUMAN_READABLE
- "hm"
-#endif
-)) > 0)
- {
- switch (opt) {
-#ifdef CONFIG_FEATURE_HUMAN_READABLE
- case 'h':
+ bb_opt_complementally = "h-km:k-hm:m-hk";
+ opt = bb_getopt_ulflags(argc, argv, "hmk");
+ if(opt & 1) {
df_disp_hr = 0;
disp_units_hdr = " Size";
- break;
- case 'm':
+ }
+ if(opt & 2) {
df_disp_hr = MEGABYTE;
disp_units_hdr = "1M-blocks";
- break;
-#endif
- case 'k':
- /* default display is kilobytes */
-#ifdef CONFIG_FEATURE_HUMAN_READABLE
- df_disp_hr = KILOBYTE;
- disp_units_hdr = hdr_1k;
-#endif
- break;
- default:
- bb_show_usage();
- }
}
+#else
+ opt = bb_getopt_ulflags(argc, argv, "k");
+#endif
bb_printf("Filesystem%11s%-15sUsed Available Use%% Mounted on\n",
"", disp_units_hdr);
bb_perror_msg("%s", mount_point);
goto SET_ERROR;
}
-
+
if ((s.f_blocks > 0) || !mount_table){
blocks_used = s.f_blocks - s.f_bfree;
blocks_percent_used = 0;
+ (blocks_used + s.f_bavail)/2
) / (blocks_used + s.f_bavail);
}
-
- if (strcmp(device, "/dev/root") == 0) {
+
+ if (strcmp(device, "rootfs") == 0) {
+ continue;
+ } else if (strcmp(device, "/dev/root") == 0) {
/* Adjusts device to be the real root device,
* or leaves device alone if it can't find it */
- if ((device = find_real_root_device_name(device)) != NULL) {
+ if ((device = find_block_device("/")) == NULL) {
goto SET_ERROR;
}
}
-
+
#ifdef CONFIG_FEATURE_HUMAN_READABLE
- bb_printf("%-21s%9s ", device,
+ bb_printf("%-20s %9s ", device,
make_human_readable_str(s.f_blocks, s.f_bsize, df_disp_hr));
-
+
bb_printf("%9s ",
make_human_readable_str( (s.f_blocks - s.f_bfree),
s.f_bsize, df_disp_hr));
-
+
bb_printf("%9s %3ld%% %s\n",
make_human_readable_str(s.f_bavail, s.f_bsize, df_disp_hr),
blocks_percent_used, mount_point);
#else
- bb_printf("%-21s%9ld %9ld %9ld %3ld%% %s\n",
+ bb_printf("%-20s %9ld %9ld %9ld %3ld%% %s\n",
device,
kscale(s.f_blocks, s.f_bsize),
kscale(s.f_blocks-s.f_bfree, s.f_bsize),
bb_fflush_stdout_and_exit(status);
}
-
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/
projects / oweals / busybox.git / blobdiff