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df: add -a
df: don't special case rootfs and /dev/root function old new delta df_main 746 684 -62 find_block_device 111 - -111 find_block_device_in_dir 243 - -243 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 0/1 up/down: 0/-416) Total: -416 bytes
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@ -46,18 +46,19 @@ int df_main(int argc, char **argv)
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const char *disp_units_hdr = "1k-blocks";
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enum {
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OPT_INODE = (ENABLE_FEATURE_HUMAN_READABLE ? (1 << 3) : (1 << 1))
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OPT_ALL = (1 << 0),
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OPT_INODE = (ENABLE_FEATURE_HUMAN_READABLE ? (1 << 4) : (1 << 2))
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* ENABLE_FEATURE_DF_INODE
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};
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#if ENABLE_FEATURE_HUMAN_READABLE
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opt_complementary = "h-km:k-hm:m-hk";
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opt = getopt32(argv, "hmk" USE_FEATURE_DF_INODE("i"));
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if (opt & 1) {
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opt = getopt32(argv, "ahmk" USE_FEATURE_DF_INODE("i"));
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if (opt & (1 << 1)) { // -h
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df_disp_hr = 0;
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disp_units_hdr = " Size";
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}
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if (opt & 2) {
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if (opt & (1 << 2)) { // -m
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df_disp_hr = 1024*1024;
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disp_units_hdr = "1M-blocks";
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}
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@ -65,11 +66,11 @@ int df_main(int argc, char **argv)
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disp_units_hdr = " Inodes";
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}
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#else
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opt = getopt32(argv, "k" USE_FEATURE_DF_INODE("i"));
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opt = getopt32(argv, "ak" USE_FEATURE_DF_INODE("i"));
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#endif
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printf("Filesystem%11s%-15sUsed Available Use%% Mounted on\n",
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"", disp_units_hdr);
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printf("Filesystem %-15sUsed Available Use%% Mounted on\n",
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disp_units_hdr);
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mount_table = NULL;
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argv += optind;
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@ -112,7 +113,7 @@ int df_main(int argc, char **argv)
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goto SET_ERROR;
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}
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if ((s.f_blocks > 0) || !mount_table) {
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if ((s.f_blocks > 0) || !mount_table || (opt & OPT_ALL)) {
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if (opt & OPT_INODE) {
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s.f_blocks = s.f_files;
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s.f_bavail = s.f_bfree = s.f_ffree;
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@ -130,9 +131,13 @@ int df_main(int argc, char **argv)
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) / (blocks_used + s.f_bavail);
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}
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#ifdef WHY_IT_SHOULD_BE_HIDDEN
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if (strcmp(device, "rootfs") == 0) {
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continue;
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}
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#endif
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#ifdef WHY_WE_DO_IT_FOR_DEV_ROOT_ONLY
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/* ... and also this is the only user of find_block_device */
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if (strcmp(device, "/dev/root") == 0) {
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/* Adjusts device to be the real root device,
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* or leaves device alone if it can't find it */
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@ -141,6 +146,7 @@ int df_main(int argc, char **argv)
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goto SET_ERROR;
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}
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}
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#endif
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if (printf("\n%-20s" + 1, device) > 20)
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printf("\n%-20s", "");
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