diff options
Diffstat (limited to 'toys/df.c')
| -rw-r--r-- | toys/df.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/toys/df.c b/toys/df.c deleted file mode 100644 index 72c15195..00000000 --- a/toys/df.c +++ /dev/null @@ -1,154 +0,0 @@ -/* vi: set sw=4 ts=4: - * - * df.c - report free disk space. - * - * Copyright 2006 Rob Landley <rob@landley.net> - * - * See http://www.opengroup.org/onlinepubs/009695399/utilities/df.html - -USE_DF(NEWTOY(df, "Pkt*a", TOYFLAG_USR|TOYFLAG_SBIN)) - -config DF - bool "df (disk free)" - default y - help - usage: df [-t type] [FILESYSTEM ...] - - The "disk free" command, df shows total/used/available disk space for - 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 - - Provides a slightly less useful output format dictated by - the Single Unix Specification version 3, and sets the - units to 512 bytes instead of the default 1024 bytes. - - -k Sets units back to 1024 bytes (the default without -P) -*/ - -#include "toys.h" - -DEFINE_GLOBALS( - struct arg_list *fstype; - - long units; -) - -#define TT this.df - -static void show_mt(struct mtab_list *mt) -{ - int len; - long size, used, avail, percent; - uint64_t block; - - // Return if it wasn't found (should never happen, but with /etc/mtab...) - if (!mt) return; - - // If we have -t, skip other filesystem types - if (TT.fstype) { - struct arg_list *al; - - for (al = TT.fstype; al; al = al->next) { - if (!strcmp(mt->type, al->arg)) break; - } - if (!al) return; - } - - // If we don't have -a, skip synthetic filesystems - if (!(toys.optflags & 1) && !mt->statvfs.f_blocks) return; - - // Figure out how much total/used/free space this filesystem has, - // forcing 64-bit math because filesystems are big now. - block = mt->statvfs.f_bsize ? mt->statvfs.f_bsize : 1; - size = (long)((block * mt->statvfs.f_blocks) / TT.units); - used = (long)((block * (mt->statvfs.f_blocks-mt->statvfs.f_bfree)) - / TT.units); - avail = (long)((block - * (getuid() ? mt->statvfs.f_bavail : mt->statvfs.f_bfree)) - / TT.units); - percent = size ? 100-(long)((100*(uint64_t)avail)/size) : 0; - - // Figure out appropriate spacing - len = 25 - strlen(mt->device); - if (len < 1) len = 1; - if (CFG_DF_PEDANTIC && (toys.optflags & 8)) { - printf("%s %ld %ld %ld %ld%% %s\n", mt->device, size, used, avail, - percent, mt->dir); - } else { - printf("%s% *ld % 10ld % 9ld % 3ld%% %s\n",mt->device, len, - size, used, avail, percent, mt->dir); - } -} - -void df_main(void) -{ - struct mtab_list *mt, *mt2, *mtlist; - - // Handle -P and -k - TT.units = 1024; - if (CFG_DF_PEDANTIC && (toys.optflags & 8)) { - // Units are 512 bytes if you select "pedantic" without "kilobytes". - if ((toys.optflags&3) == 1) 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"); - - mtlist = getmountlist(1); - - // If we have a list of filesystems on the command line, loop through them. - if (*toys.optargs) { - char **next; - - for(next = toys.optargs; *next; next++) { - struct stat st; - - // Stat it (complain if we can't). - if(stat(*next, &st)) { - perror_msg("`%s'", *next); - toys.exitval = 1; - continue; - } - - // Find and display this filesystem. Use _last_ hit in case of - // -- bind mounts. - mt2 = NULL; - for (mt = mtlist; mt; mt = mt->next) - if (st.st_dev == mt->stat.st_dev) mt2 = mt; - show_mt(mt2); - } - } else { - // Get and loop through mount list. - - for (mt = mtlist; mt; mt = mt->next) { - struct mtab_list *mt2, *mt3; - - if (!mt->stat.st_dev) continue; - - // Filter out overmounts. - mt3 = mt; - for (mt2 = mt->next; mt2; mt2 = mt2->next) { - if (mt->stat.st_dev == mt2->stat.st_dev) { - // For --bind mounts, take last match - if (!strcmp(mt->device, mt2->device)) mt3 = mt2; - // Filter out overmounts - mt2->stat.st_dev = 0; - } - } - show_mt(mt3); - } - } - - if (CFG_TOYBOX_FREE) llist_traverse(mtlist, free); -} |