extern 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;
#endif
int status = EXIT_SUCCESS;
unsigned long opt;
FILE *mount_table;
struct mntent *mount_entry;
struct statfs s;
static const char hdr_1k[] = "1k-blocks"; /* default display is kilobytes */
const char *disp_units_hdr = hdr_1k;
char df_entry[200] = {0}; // Added by Nick Wang, 01/05/2005
int entry_len = 0; // Added by Nick Wang, 01/05/2005
printf("busybox df_main: start\n");
#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";
}
if(opt & 2) {
df_disp_hr = MEGABYTE;
disp_units_hdr = "1M-blocks";
}
#else
opt = bb_getopt_ulflags(argc, argv, "k");
#endif
bb_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"))) {
bb_perror_msg_and_die(bb_path_mtab_file);
}
}
do {
const char *device;
const char *mount_point;
if (mount_table) {
if (!(mount_entry = getmntent(mount_table))) {
endmntent(mount_table);
break;
}
} else {
if (!(mount_point = *argv++)) {
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:
status = EXIT_FAILURE;
continue;
}
}
device = mount_entry->mnt_fsname;
mount_point = mount_entry->mnt_dir;
if (statfs(mount_point, &s) != 0) {
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;
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);
}
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) {
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));
sprintf(df_entry, "%-21s%9s ", device, make_human_readable_str(s.f_blocks, s.f_bsize, df_disp_hr));
entry_len = strlen(df_entry);
bb_printf("%9s ",
make_human_readable_str( (s.f_blocks - s.f_bfree),
s.f_bsize, df_disp_hr));
sprintf(df_entry + entry_len, "%9s ", make_human_readable_str( (s.f_blocks - s.f_bfree), s.f_bsize, df_disp_hr));
entry_len = strlen(df_entry);
bb_printf("%9s %3ld%% %s\n",
make_human_readable_str(s.f_bavail, s.f_bsize, df_disp_hr),
blocks_percent_used, mount_point);
sprintf(df_entry + entry_len, "%9s %3ld%% %s\n", make_human_readable_str(s.f_bavail, s.f_bsize, df_disp_hr), blocks_percent_used, mount_point);
entry_len = strlen(df_entry);
// output df table to file, Added By Nick Wang, 01/05/02005
{
FILE *fp;
if ((fp = fopen("/var/.sys-df", "a")) != NULL)
fprintf(fp, "%s\n", df_entry);
(void) fclose(fp);
}
// Added End
#else
bb_printf("%-21s%9ld %9ld %9ld %3ld%% %s\n",
device,
kscale(s.f_blocks, s.f_bsize),
kscale(s.f_blocks-s.f_bfree, s.f_bsize),
kscale(s.f_bavail, s.f_bsize),
blocks_percent_used, mount_point);
#endif
}
} while (1);
bb_fflush_stdout_and_exit(status);
}
int df_main(int argc, char **argv)
{
long blocks_used;
long blocks_percent_used;
#ifdef CONFIG_FEATURE_HUMAN_READABLE
unsigned long df_disp_hr = 1024;
#endif
int status = EXIT_SUCCESS;
unsigned opt;
FILE *mount_table;
struct mntent *mount_entry;
struct statfs s;
static const char hdr_1k[] = "1k-blocks"; /* default display is kilobytes */
const char *disp_units_hdr = hdr_1k;
#ifdef CONFIG_FEATURE_HUMAN_READABLE
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 = 1024*1024;
disp_units_hdr = "1M-blocks";
}
#else
opt = getopt32(argc, argv, "k");
#endif
printf("Filesystem%11s%-15sUsed Available Use%% Mounted on\n",
"", disp_units_hdr);
mount_table = NULL;
argv += optind;
if (optind >= argc) {
mount_table = setmntent(bb_path_mtab_file, "r");
if (!mount_table) {
bb_perror_msg_and_die(bb_path_mtab_file);
}
}
do {
const char *device;
const char *mount_point;
if (mount_table) {
mount_entry = getmntent(mount_table);
if (!mount_entry) {
endmntent(mount_table);
break;
}
} else {
mount_point = *argv++;
if (!mount_point) {
break;
}
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;
}
}
device = mount_entry->mnt_fsname;
mount_point = mount_entry->mnt_dir;
if (statfs(mount_point, &s) != 0) {
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;
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);
}
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 */
device = find_block_device("/");
if (!device) {
goto SET_ERROR;
}
}
#ifdef CONFIG_FEATURE_HUMAN_READABLE
printf("%-20s %9s ", device,
make_human_readable_str(s.f_blocks, s.f_bsize, df_disp_hr));
printf("%9s ",
make_human_readable_str( (s.f_blocks - s.f_bfree),
s.f_bsize, df_disp_hr));
printf("%9s %3ld%% %s\n",
make_human_readable_str(s.f_bavail, s.f_bsize, df_disp_hr),
blocks_percent_used, mount_point);
#else
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),
kscale(s.f_bavail, s.f_bsize),
blocks_percent_used, mount_point);
#endif
}
} while (1);
fflush_stdout_and_exit(status);
}
int df(lua_State *L)
{
unsigned long blocks_used;
unsigned blocks_percent_used;
FILE *mount_table;
struct mntent *mount_entry = 0;
struct statfs s;
/* default display is kilobytes */
const char *disp_units_hdr = "1k-blocks";
int cnt = 0;
printf("Filesystem %-15sUsed Available Use%% Mounted on\n",
disp_units_hdr);
mount_table = NULL;
mount_table = setmntent("/etc/mtab", "r");
lua_newtable(L);
while (1) {
const char *device;
const char *mount_point;
if (mount_table) {
mount_entry = getmntent(mount_table);
if (!mount_entry) {
endmntent(mount_table);
break;
}
}
device = mount_entry->mnt_fsname;
mount_point = mount_entry->mnt_dir;
if (statfs(mount_point, &s) != 0) {
perror(mount_point);
continue;
}
if ((s.f_blocks > 0) || !mount_table)
{
blocks_used = s.f_blocks - s.f_bfree;
blocks_percent_used = 0;
if (blocks_used + s.f_bavail)
{
blocks_percent_used = (blocks_used * 100ULL + (blocks_used + s.f_bavail) / 2 )
/ (blocks_used + s.f_bavail);
}
lua_pushinteger(L, ++cnt);
lua_newtable(L);
add_table_entry_int(L, "blocks", kscale(s.f_blocks, s.f_bsize));
add_table_entry_int(L, "used", kscale(s.f_blocks-s.f_bfree, s.f_bsize));
add_table_entry_int(L, "avail", kscale(s.f_bavail, s.f_bsize));
add_table_entry_int(L, "percent", blocks_percent_used);
add_table_entry(L, "device", device);
add_table_entry(L, "mountpoint", mount_point);
add_table_entry_int(L, "blocksize", s.f_bsize);
lua_settable(L, -3);
/*printf("\n%-20s" + 1, device)
printf(" %9lu %9lu %9lu %3u%% %s\n",
kscale(s.f_blocks, s.f_bsize),
kscale(s.f_blocks-s.f_bfree, s.f_bsize),
kscale(s.f_bavail, s.f_bsize),
blocks_percent_used, mount_point);*/
}
}
return 1;
}
