From 03c1b0b202dd4179d472497b08667fad8d4c4530 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Tue, 8 Oct 2013 18:02:23 -0500 Subject: Move blkid out of pending, default y. --- toys/pending/blkid.c | 132 --------------------------------------------------- 1 file changed, 132 deletions(-) delete mode 100644 toys/pending/blkid.c (limited to 'toys/pending') diff --git a/toys/pending/blkid.c b/toys/pending/blkid.c deleted file mode 100644 index e69d605b..00000000 --- a/toys/pending/blkid.c +++ /dev/null @@ -1,132 +0,0 @@ -/* blkid.c - Prints type, label and UUID of filesystem(s). - * - * Copyright 2013 Brad Conroy - * - * See ftp://ftp.kernel.org/pub/linux/utils/util-linux/v2.24/libblkid-docs/api-index-full.html - -USE_BLKID(NEWTOY(blkid, "<1", TOYFLAG_BIN)) -USE_BLKID(OLDTOY(fstype, blkid, "<1", TOYFLAG_BIN)) - -config BLKID - bool "blkid" - default n - help - usage: blkid [block device...] - Prints type, label and UUID of filesystem. -*/ - -#define FOR_blkid -#include "toys.h" - -struct fstype { - char *name; - uint64_t magic; - int magic_len, magic_offset, uuid_off, label_len, label_off; -}; - -static const struct fstype fstypes[] = { - // ext3 = buf[1116]&4 ext4 = buf[1120]&64 - {"ext2", 0xEF53, 2, 1080, 1128, 16, 1144}, - // label actually 8/16 0x4d80 but horrible: 16 bit wide characters via - // codepage, something called a uuid that's only 8 bytes long... - {"ntfs", 0x5346544e, 4, 3, 0x48+(8<<24), 0, 0}, - - {"adfs", 0xadf5, 2, 0xc00, 0,0,0}, - {"bfs", 0x1badface, 4, 0, 0,0,0}, - {"btrfs", 0x4D5F53665248425FULL, 8, 65600, 65803, 256, 65819}, - {"cramfs", 0x28cd3d45, 4, 0, 0, 16, 48}, - {"f2fs", 0xF2F52010, 4, 1024, 1132, 16, 1110}, - {"jfs", 0x3153464a, 4, 32768, 32920, 16, 32904}, - {"nilfs", 0x3434, 2, 1030, 1176, 80, 1192}, - {"murderfs", 0x724573496552, 6, 8244, 8276, 16, 8292}, - {"murderfs", 0x724573496552, 6, 65588, 65620, 16, 65536}, - {"romfs", 0x2d6d6f72, 4, 0, 0,0,0}, - {"squashfs", 0x73717368, 4, 0, 0,0,0}, - {"xiafs", 0x012fd16d, 4, 572, 0,0,0}, - {"xfs", 0x42534658, 4, 0, 32, 12, 108}, - {"vfat", 0x3233544146, 5, 82, 67+(4<<24), 11, 71}, // fat32 - {"vfat", 0x31544146, 4, 54, 39+(4<<24), 11, 43} // fat1 -}; - -/* TODO if no args use proc/partitions */ -void do_blkid(int fd, char *name) -{ - int off, i, j; - char *type; - - off = i = 0; - - for (;;) { - int pass = 0, len; - - // Read next block of data - len = readall(fd, toybuf, sizeof(toybuf)); - if (len != sizeof(toybuf)) return; - - // Iterate through types in range - for (i=0; i < sizeof(fstypes)/sizeof(struct fstype); i++) { - uint64_t test; - - // Skip tests not in this 4k block - if (fstypes[i].magic_offset > off+sizeof(toybuf)) { - pass++; - continue; - } - if (fstypes[i].magic_offset < off) continue; - - // Populate 64 bit little endian magic value - test = 0; - for (j = 0; j < fstypes[i].magic_len; j++) - test += ((uint64_t)toybuf[j+fstypes[i].magic_offset-off])<<(8*j); - if (test == fstypes[i].magic) break; - } - - if (i == sizeof(fstypes)/sizeof(struct fstype)) { - off += len; - if (pass) continue; - return; - } - break; - } - - // distinguish ext2/3/4 - type = fstypes[i].name; - if (!i) { - if (toybuf[1116]&4) type = "ext3"; - if (toybuf[1120]&64) type = "ext4"; - } - - // Could special case NTFS here... - - // Output for fstype - if (*toys.which->name == 'f') { - puts(type); - return; - } - - // output for blkid - printf("%s:",name); - - if (fstypes[i].label_len) - printf(" LABEL=\"%.*s\"", fstypes[i].label_len, - toybuf+fstypes[i].label_off-off); - - if (fstypes[i].uuid_off) { - int bits = 0x550, size = fstypes[i].uuid_off >> 24, - uoff = (fstypes[i].uuid_off & ((1<<24)-1))-off; - - if (size) bits = 4*(size == 4); - else size = 16; - - printf(" UUID=\""); - for (j = 0; j < size; j++) printf("-%02x"+!(bits & (1<