df: implement -T option

function                                             old     new   delta
df_main                                              863     998    +135
packed_usage                                       29827   29861     +34
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 169/0)             Total: 169 bytes

Signed-off-by: Ari Sundholm <ari@tuxera.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Ari Sundholm 2014-09-17 20:53:58 +02:00 committed by Denys Vlasenko
parent 9caea2448e
commit d0cdacafa9

View File

@ -25,6 +25,7 @@
//usage:#define df_trivial_usage
//usage: "[-Pk"
//usage: IF_FEATURE_HUMAN_READABLE("mh")
//usage: "T"
//usage: IF_FEATURE_DF_FANCY("ai] [-B SIZE")
//usage: "] [FILESYSTEM]..."
//usage:#define df_full_usage "\n\n"
@ -35,6 +36,7 @@
//usage: "\n -m 1M-byte blocks"
//usage: "\n -h Human readable (e.g. 1K 243M 2G)"
//usage: )
//usage: "\n -T Print filesystem type"
//usage: IF_FEATURE_DF_FANCY(
//usage: "\n -a Show all filesystems"
//usage: "\n -i Inodes"
@ -88,6 +90,7 @@ int df_main(int argc UNUSED_PARAM, char **argv)
OPT_BSIZE = (1 << 4) * ENABLE_FEATURE_DF_FANCY,
OPT_HUMAN = (1 << (2 + 3*ENABLE_FEATURE_DF_FANCY)) * ENABLE_FEATURE_HUMAN_READABLE,
OPT_MEGA = (1 << (3 + 3*ENABLE_FEATURE_DF_FANCY)) * ENABLE_FEATURE_HUMAN_READABLE,
OPT_FSTYPE = (1 << (4 + 3*ENABLE_FEATURE_DF_FANCY)),
};
const char *disp_units_hdr = NULL;
char *chp;
@ -102,6 +105,7 @@ int df_main(int argc UNUSED_PARAM, char **argv)
opt = getopt32(argv, "kP"
IF_FEATURE_DF_FANCY("aiB:")
IF_FEATURE_HUMAN_READABLE("hm")
"T"
IF_FEATURE_DF_FANCY(, &chp));
if (opt & OPT_MEGA)
df_disp_hr = 1024*1024;
@ -134,8 +138,11 @@ int df_main(int argc UNUSED_PARAM, char **argv)
disp_units_hdr = xasprintf("%lu-blocks", df_disp_hr);
#endif
}
printf("Filesystem %-15sUsed Available %s Mounted on\n",
disp_units_hdr, (opt & OPT_POSIX) ? "Capacity" : "Use%");
printf("Filesystem %s%-15sUsed Available %s Mounted on\n",
(opt & OPT_FSTYPE) ? "Type " : "",
disp_units_hdr,
(opt & OPT_POSIX) ? "Capacity" : "Use%");
mount_table = NULL;
argv += optind;
@ -148,6 +155,7 @@ int df_main(int argc UNUSED_PARAM, char **argv)
while (1) {
const char *device;
const char *mount_point;
const char *fs_type;
if (mount_table) {
mount_entry = getmntent(mount_table);
@ -170,6 +178,7 @@ int df_main(int argc UNUSED_PARAM, char **argv)
device = mount_entry->mnt_fsname;
mount_point = mount_entry->mnt_dir;
fs_type = mount_entry->mnt_type;
if (statfs(mount_point, &s) != 0) {
bb_simple_perror_msg(mount_point);
@ -218,10 +227,22 @@ int df_main(int argc UNUSED_PARAM, char **argv)
printf("%s%*s", uni_dev, 20 - (int)uni_stat.unicode_width, "");
}
free(uni_dev);
if (opt & OPT_FSTYPE) {
char *uni_type = unicode_conv_to_printable(&uni_stat, fs_type);
if (uni_stat.unicode_width > 10 && !(opt & OPT_POSIX))
printf(" %s\n%31s", uni_type, "");
else
printf(" %s%*s", uni_type, 10 - (int)uni_stat.unicode_width, "");
free(uni_type);
}
}
#else
if (printf("\n%-20s" + 1, device) > 20 && !(opt & OPT_POSIX))
printf("\n%-20s", "");
if (opt & OPT_FSTYPE) {
if (printf(" %-10s", fs_type) > 11 && !(opt & OPT_POSIX))
printf("\n%-30s", "");
}
#endif
#if ENABLE_FEATURE_HUMAN_READABLE