* 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.
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
#include <mntent.h>
#include <sys/vfs.h>
-#include "busybox.h"
+#include "libbb.h"
#ifndef CONFIG_FEATURE_HUMAN_READABLE
static long kscale(long b, long bs)
{
- return ( b * (long long) bs + KILOBYTE/2 ) / KILOBYTE;
+ return ( b * (long long) bs + 1024/2 ) / 1024;
}
#endif
-extern int df_main(int argc, char **argv)
+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 = 1024;
#endif
int status = EXIT_SUCCESS;
- unsigned long opt;
+ unsigned opt;
FILE *mount_table;
struct mntent *mount_entry;
struct statfs s;
const char *disp_units_hdr = hdr_1k;
#ifdef CONFIG_FEATURE_HUMAN_READABLE
- bb_opt_complementaly = "h-km:k-hm:m-hk";
- opt = bb_getopt_ulflags(argc, argv, "hmk");
- if(opt & 1) {
- df_disp_hr = 0;
- disp_units_hdr = " Size";
+ opt_complementary = "h-km:k-hm:m-hk";
+ opt = getopt32(argc, argv, "hmk");
+ if (opt & 1) {
+ df_disp_hr = 0;
+ disp_units_hdr = " Size";
}
- if(opt & 2) {
- df_disp_hr = MEGABYTE;
- disp_units_hdr = "1M-blocks";
+ if (opt & 2) {
+ df_disp_hr = 1024*1024;
+ disp_units_hdr = "1M-blocks";
}
#else
- opt = bb_getopt_ulflags(argc, argv, "k");
+ opt = getopt32(argc, argv, "k");
#endif
- bb_printf("Filesystem%11s%-15sUsed Available Use%% Mounted on\n",
+ printf("Filesystem%11s%-15sUsed Available Use%% Mounted on\n",
"", disp_units_hdr);
mount_table = NULL;
argv += optind;
if (optind >= argc) {
- if (!(mount_table = setmntent(bb_path_mtab_file, "r"))) {
+ mount_table = setmntent(bb_path_mtab_file, "r");
+ if (!mount_table) {
bb_perror_msg_and_die(bb_path_mtab_file);
}
}
const char *mount_point;
if (mount_table) {
- if (!(mount_entry = getmntent(mount_table))) {
+ mount_entry = getmntent(mount_table);
+ if (!mount_entry) {
endmntent(mount_table);
break;
}
} else {
- if (!(mount_point = *argv++)) {
+ mount_point = *argv++;
+ if (!mount_point) {
break;
}
- if (!(mount_entry = find_mount_point(mount_point, bb_path_mtab_file))) {
- bb_error_msg("%s: can't find mount point.", mount_point);
- SET_ERROR:
+ mount_entry = find_mount_point(mount_point, bb_path_mtab_file);
+ if (!mount_entry) {
+ bb_error_msg("%s: can't find mount point", mount_point);
+ SET_ERROR:
status = EXIT_FAILURE;
continue;
}
blocks_percent_used = 0;
if (blocks_used + s.f_bavail) {
blocks_percent_used = (((long long) blocks_used) * 100
- + (blocks_used + s.f_bavail)/2
- ) / (blocks_used + s.f_bavail);
+ + (blocks_used + s.f_bavail)/2
+ ) / (blocks_used + s.f_bavail);
}
if (strcmp(device, "rootfs") == 0) {
} 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) {
+ device = find_block_device("/");
+ if (!device) {
goto SET_ERROR;
}
}
#ifdef CONFIG_FEATURE_HUMAN_READABLE
- bb_printf("%-21s%9s ", device,
- make_human_readable_str(s.f_blocks, s.f_bsize, df_disp_hr));
+ 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));
+ printf("%9s ",
+ make_human_readable_str( (s.f_blocks - s.f_bfree),
+ s.f_bsize, df_disp_hr));
- bb_printf("%9s %3ld%% %s\n",
+ 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",
+ 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),
} while (1);
- bb_fflush_stdout_and_exit(status);
+ fflush_stdout_and_exit(status);
}
-
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/