diff options
Diffstat (limited to 'toys/pending/blkid.c')
| -rw-r--r-- | toys/pending/blkid.c | 135 |
1 files changed, 57 insertions, 78 deletions
diff --git a/toys/pending/blkid.c b/toys/pending/blkid.c index 295e4a7e..c5d6558b 100644 --- a/toys/pending/blkid.c +++ b/toys/pending/blkid.c @@ -4,7 +4,8 @@ * * See ftp://ftp.kernel.org/pub/linux/utils/util-linux/v2.24/libblkid-docs/api-index-full.html -USE_BLKID(NEWTOY(blkid, NULL, TOYFLAG_BIN)) +USE_BLKID(NEWTOY(blkid, "<1", TOYFLAG_BIN)) +USE_BLKID(OLDTOY(fstype, blkid, "<1", TOYFLAG_BIN)) config BLKID bool "blkid" @@ -12,8 +13,8 @@ config BLKID help usage: blkid [block device...] Prints type, label and UUID of filesystem. - */ + #define FOR_blkid #include "toys.h" @@ -25,15 +26,14 @@ config BLKID /* may need to check endianess for C2I */ #define C2I(a,b,c,d) (a|(b<<8)|(c<<16)|(d<<24)) -typedef struct fs_info{ +struct fs_info { unsigned uuid_off; unsigned lab_off; short uuid_t; short lab_len; -}fs_info_t; +}; -//#define SET_FS(t) (fs_info_t){t##_UUID,t##_LABEL,t##_UUID_T,t##_LABEL_SZ} -#define SET_FS(t) (fs_info_t)t##_INFO +#define SET_FS(t) (struct fs_info)t##_INFO #define ADFS_MAGIC 0xadf5 #define ADFS_TYPE short @@ -120,18 +120,20 @@ typedef struct fs_info{ #define XFS_MAGIC C2I('X','F','S','B') #define XFS_INFO {32,108,16,12} -#if (CFG_BLKID) -char *toutf8(unsigned short * ws){ /* hack for NTFS utf16 */ +/* hack for NTFS utf16 */ +char *toutf8(unsigned short *ws) +{ static char buf[16]; int i=0; + while((buf[i++]=*ws++)); return buf; } -#endif /* TODO if no args use proc/partitions */ -void do_blkid(int fd, char *name){ - fs_info_t fs; +void do_blkid(int fd, char *name) +{ + struct fs_info fs; char *fstype; unsigned char buf[66560]; /*toybuf is only 4096, could rework logic*/ int sb_read; @@ -139,102 +141,79 @@ void do_blkid(int fd, char *name){ sb_read = read(fd, &buf, sizeof(buf)); if (sb_read < 1) return; - if MATCH(buf,ADFS){ + if MATCH(buf,ADFS) { fstype="adfs"; if (CFG_BLKID) fs=SET_FS(ADFS); - }else if MATCH(buf,BFS){ + } else if MATCH(buf,BFS) { fstype="bfs"; if (CFG_BLKID) fs=SET_FS(BFS); - }else if MATCH(buf,CRAMFS){ + } else if MATCH(buf,CRAMFS) { fstype="cramfs"; if (CFG_BLKID) fs=SET_FS(CRAMFS); - }else if MATCH3(buf,EXT){ + } else if MATCH3(buf,EXT) { fstype=(buf[EXT3_BYTE]&BIT(2))?((buf[EXT4_BYTE]&BIT(6))?"ext4":"ext3"):"ext2"; if (CFG_BLKID) fs=SET_FS(EXT); - }else if MATCH(buf,F2FS){ + } else if MATCH(buf,F2FS) { fstype="f2fs"; if (CFG_BLKID) fs=SET_FS(F2FS); - }else if MATCH(buf,NILFS){ + } else if MATCH(buf,NILFS) { fstype="nilfs"; if (CFG_BLKID) fs=SET_FS(NILFS); - }else if MATCH(buf,NTFS){ + } else if MATCH(buf,NTFS) { fstype="ntfs"; if (CFG_BLKID) fs=SET_FS(NTFS); - }else if MATCH(buf,XIAFS){ + } else if MATCH(buf,XIAFS) { fstype="xiafs"; if (CFG_BLKID) fs=SET_FS(XIAFS); /*below here would require more than 1 toybuf*/ - }else if MATCH(buf,REISER){ + } else if MATCH(buf,REISER) { fstype="reiserfs"; if (CFG_BLKID) fs=SET_FS(REISER); - }else if MATCH(buf,JFS){ + } else if MATCH(buf,JFS) { fstype="jfs"; if (CFG_BLKID) fs=SET_FS(JFS); - }else if MATCH(buf,BTRFS){ + } else if MATCH(buf,BTRFS) { fstype="btrfs"; if (CFG_BLKID) fs=SET_FS(BTRFS); - }else if MATCH(buf,REISERB){ + } else if MATCH(buf,REISERB) { fstype="reiserfs"; if (CFG_BLKID) fs=SET_FS(REISERB); - }else return; - -if (CFG_BLKID && !strncmp("blkid",toys.which->name,5) ){ - printf("%s:",name); - if ( fs.lab_len > 0 ) - printf(" LABEL=\"%.*s\"", fs.lab_len, (char *)&buf[fs.lab_off]); - else if ( fs.lab_len < 0 ) - printf(" LABEL=\"%.*s\"", -fs.lab_len, - toutf8((unsigned short *)&buf[fs.lab_off])); - if ( fs.uuid_off > 0 ){ - if ( fs.uuid_t == 16 ) - printf(" UUID=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" - "%02x%02x%02x%02x%02x%02x\"", - buf[fs.uuid_off], buf[fs.uuid_off+1], - buf[fs.uuid_off+2], buf[fs.uuid_off+3], - buf[fs.uuid_off+4], buf[fs.uuid_off+5], - buf[fs.uuid_off+6], buf[fs.uuid_off+7], - buf[fs.uuid_off+8], buf[fs.uuid_off+9], - buf[fs.uuid_off+10], buf[fs.uuid_off+11], - buf[fs.uuid_off+12], buf[fs.uuid_off+13], - buf[fs.uuid_off+14], buf[fs.uuid_off+15]); - if ( fs.uuid_t == 8 ) - printf(" UUID=\"%02X%02X%02X%02X%02X%02X%02X%02X\"", - buf[fs.uuid_off+7], buf[fs.uuid_off+6], - buf[fs.uuid_off+5], buf[fs.uuid_off+4], - buf[fs.uuid_off+3], buf[fs.uuid_off+2], - buf[fs.uuid_off+1], buf[fs.uuid_off]); - } - printf(" TYPE=\"%s\"",fstype); -}else /* fstype */ - write(1,fstype,strlen(fstype)); /* avoid printf overhead in fstype */ + } else return; + + if (CFG_BLKID && !strncmp("blkid",toys.which->name,5) ) { + printf("%s:",name); + if (fs.lab_len > 0) + printf(" LABEL=\"%.*s\"", fs.lab_len, (char *)&buf[fs.lab_off]); + else if (fs.lab_len < 0) + printf(" LABEL=\"%.*s\"", -fs.lab_len, + toutf8((unsigned short *)&buf[fs.lab_off])); + if (fs.uuid_off > 0) { + if (fs.uuid_t == 16) + printf(" UUID=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" + "%02x%02x%02x%02x%02x%02x\"", + buf[fs.uuid_off], buf[fs.uuid_off+1], + buf[fs.uuid_off+2], buf[fs.uuid_off+3], + buf[fs.uuid_off+4], buf[fs.uuid_off+5], + buf[fs.uuid_off+6], buf[fs.uuid_off+7], + buf[fs.uuid_off+8], buf[fs.uuid_off+9], + buf[fs.uuid_off+10], buf[fs.uuid_off+11], + buf[fs.uuid_off+12], buf[fs.uuid_off+13], + buf[fs.uuid_off+14], buf[fs.uuid_off+15]); + if (fs.uuid_t == 8) + printf(" UUID=\"%02X%02X%02X%02X%02X%02X%02X%02X\"", + buf[fs.uuid_off+7], buf[fs.uuid_off+6], + buf[fs.uuid_off+5], buf[fs.uuid_off+4], + buf[fs.uuid_off+3], buf[fs.uuid_off+2], + buf[fs.uuid_off+1], buf[fs.uuid_off]); + } + printf(" TYPE=\"%s\"",fstype); + + /* avoid printf overhead in fstype */ + } else write(1,fstype,strlen(fstype)); putchar('\n'); } -#if (CFG_BLKID) void blkid_main(void) { loopfiles(toys.optargs, do_blkid); } -#endif - - -/* fstype.c - Prints type of filesystem(s). - * - * Copyright 2013 Brad Conroy <bconroy@uis.edu> - -USE_FSTYPE(NEWTOY(fstype, NULL, TOYFLAG_BIN)) - -config FSTYPE - bool "fstype" - default n - help - usage: fstype [block device...] - Prints type of filesystem. -*/ -#define FOR_fstype -#include "toys.h" -void do_blkid(int fd, char *name); -void fstype_main(void) -{ - loopfiles(toys.optargs, do_blkid); -} |