diff options
Diffstat (limited to 'toys/posix')
| -rw-r--r-- | toys/posix/df.c | 45 |
1 files changed, 15 insertions, 30 deletions
diff --git a/toys/posix/df.c b/toys/posix/df.c index afb296b2..141e8e50 100644 --- a/toys/posix/df.c +++ b/toys/posix/df.c @@ -4,7 +4,7 @@ * * See http://opengroup.org/onlinepubs/9699919799/utilities/df.html -USE_DF(NEWTOY(df, "Pkt*a", TOYFLAG_USR|TOYFLAG_SBIN)) +USE_DF(NEWTOY(df, "Pkt*a[-Pk]", TOYFLAG_USR|TOYFLAG_SBIN)) config DF bool "df" @@ -16,17 +16,9 @@ config DF each filesystem listed on the command line, or all currently mounted filesystems. - -t type Display only filesystems of this type. - -config DF_PEDANTIC - bool "options -P and -k" - default y - depends on DF - help - usage: df [-Pk] - -P The SUSv3 "Pedantic" option -k Sets units back to 1024 bytes (the default without -P) + -t type Display only filesystems of this type. Pedantic provides a slightly less useful output format dictated by Posix, and sets the units to 512 bytes instead of the default 1024 bytes. @@ -68,8 +60,7 @@ static void show_mt(struct mtab_list *mt) block = mt->statvfs.f_bsize ? mt->statvfs.f_bsize : 1; size = (block * mt->statvfs.f_blocks) / TT.units; used = (block * (mt->statvfs.f_blocks-mt->statvfs.f_bfree)) / TT.units; - avail = (block * (getuid() ? mt->statvfs.f_bavail : mt->statvfs.f_bfree)) - / TT.units; + avail = (block*(getuid()?mt->statvfs.f_bavail:mt->statvfs.f_bfree))/TT.units; if (!(used+avail)) percent = 0; else { percent = (used*100)/(used+avail); @@ -82,13 +73,8 @@ static void show_mt(struct mtab_list *mt) // Figure out appropriate spacing len = 25 - strlen(device); if (len < 1) len = 1; - if (CFG_DF_PEDANTIC && (toys.optflags & FLAG_P)) { - xprintf("%s %lld %lld %lld %lld%% %s\n", device, size, used, avail, - percent, mt->dir); - } else { - xprintf("%s% *lld % 10lld % 9lld % 3lld%% %s\n", device, len, - size, used, avail, percent, mt->dir); - } + xprintf("%s% *lld % 10lld % 10lld % *lld%% %s\n", device, len, + size, used, avail, (toys.optflags & FLAG_P) ? 7 : 3, percent, mt->dir); if (device != mt->device) free(device); } @@ -96,15 +82,12 @@ static void show_mt(struct mtab_list *mt) void df_main(void) { struct mtab_list *mt, *mtstart, *mtend; + int p = toys.optflags & FLAG_P; - // Handle -P and -k - TT.units = 1024; - if (CFG_DF_PEDANTIC && (toys.optflags & FLAG_P)) { - // Units are 512 bytes if you select "pedantic" without "kilobytes". - if ((toys.optflags&(FLAG_P|FLAG_k)) == FLAG_P) TT.units = 512; - printf("Filesystem %ld-blocks Used Available Capacity Mounted on\n", - TT.units); - } else puts("Filesystem\t1K-blocks\tUsed Available Use% Mounted on"); + // Units are 512 bytes if you select "pedantic" without "kilobytes". + TT.units = p ? 512 : 1024; + xprintf("Filesystem% 8s-blocks\tUsed Available %s Mounted on\n", + p ? "512" : "1K", p ? "Capacity" : "Use%"); if (!(mtstart = xgetmountlist(0))) return; mtend = dlist_terminate(mtstart); @@ -118,14 +101,16 @@ void df_main(void) // Stat it (complain if we can't). if(stat(*next, &st)) { - perror_msg("`%s'", *next); + perror_msg("'%s'", *next); continue; } // Find and display this filesystem. Use _last_ hit in case of // overmounts (which is first hit in the reversed list). for (mt = mtend; mt; mt = mt->prev) { - if (st.st_dev == mt->stat.st_dev) { + if (st.st_dev == mt->stat.st_dev + || (st.st_rdev && (st.st_rdev == mt->stat.st_dev))) + { show_mt(mt); break; } @@ -143,7 +128,7 @@ void df_main(void) mt3 = mt; for (mt2 = mt->prev; mt2; mt2 = mt2->prev) { if (mt->stat.st_dev == mt2->stat.st_dev) { - // For --bind mounts, take show earliest mount + // For --bind mounts, show earliest mount if (!strcmp(mt->device, mt2->device)) { if (!toys.optflags & FLAG_a) mt3->stat.st_dev = 0; mt3 = mt2; |