wok-6.x annotate busybox/stuff/busybox-1.20-stat.u @ rev 13481

busybox: use slitaz-base httphelper.sh
author Pascal Bellard <pascal.bellard@slitaz.org>
date Thu Oct 11 13:43:57 2012 +0200 (2012-10-11)
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pascal@12460 1 Add non standard stat -m support to display file block list
pascal@12460 2 Useful to patch read-only filesystems such as ISO9660, for defragmentation
pascal@12460 3 tools or boot loaders
pascal@12460 4 --- busybox-1.20.0/coreutils/stat.c
pascal@12460 5 +++ busybox-1.20.0/coreutils/stat.c
pascal@12460 6 @@ -23,6 +23,7 @@
pascal@12460 7 //usage: "\n -f Display filesystem status"
pascal@12460 8 //usage: "\n -L Follow links"
pascal@12460 9 //usage: "\n -t Display info in terse form"
pascal@12460 10 +//usage: "\n -m Display block list"
pascal@12460 11 //usage: IF_SELINUX(
pascal@12460 12 //usage: "\n -Z Print security context"
pascal@12460 13 //usage: )
pascal@12460 14 @@ -73,11 +74,13 @@
pascal@12460 15 //usage: )
pascal@12460 16
pascal@12460 17 #include "libbb.h"
pascal@12460 18 +#include <linux/fs.h>
pascal@12460 19
pascal@12460 20 #define OPT_FILESYS (1 << 0)
pascal@12460 21 #define OPT_TERSE (1 << 1)
pascal@12460 22 #define OPT_DEREFERENCE (1 << 2)
pascal@12460 23 -#define OPT_SELINUX (1 << 3)
pascal@12460 24 +#define OPT_MAP (1 << 3)
pascal@12460 25 +#define OPT_SELINUX (1 << 4)
pascal@12460 26
pascal@12460 27 #if ENABLE_FEATURE_STAT_FORMAT
pascal@12460 28 typedef bool (*statfunc_ptr)(const char *, const char *);
pascal@12460 29 @@ -419,6 +422,26 @@
pascal@12460 30
pascal@12460 31 /* Stat the file system and print what we find. */
pascal@12460 32 #if !ENABLE_FEATURE_STAT_FORMAT
pascal@12460 33 +#define do_mapfile(filename, format) do_mapfile(filename)
pascal@12460 34 +#endif
pascal@12460 35 +static bool do_mapfile(const char *filename, const char *format)
pascal@12460 36 +{
pascal@12460 37 + int i = 0;
pascal@12460 38 + int fd = xopen(filename, O_RDONLY);
pascal@12460 39 +
pascal@12460 40 +#if ENABLE_FEATURE_STAT_FORMAT
pascal@12460 41 + (void) format;
pascal@12460 42 +#endif
pascal@12460 43 + while (1) {
pascal@12460 44 + int blk = i++;
pascal@12460 45 + if (ioctl(fd,FIBMAP,&blk) < 0 || blk == 0) break;
pascal@12460 46 + printf("%u\n",blk);
pascal@12460 47 + }
pascal@12460 48 + return 1;
pascal@12460 49 +}
pascal@12460 50 +
pascal@12460 51 +/* Stat the file system and print what we find. */
pascal@12460 52 +#if !ENABLE_FEATURE_STAT_FORMAT
pascal@12460 53 #define do_statfs(filename, format) do_statfs(filename)
pascal@12460 54 #endif
pascal@12460 55 static bool do_statfs(const char *filename, const char *format)
pascal@12460 56 @@ -708,7 +731,7 @@
pascal@12460 57 statfunc_ptr statfunc = do_stat;
pascal@12460 58
pascal@12460 59 opt_complementary = "-1"; /* min one arg */
pascal@12460 60 - opts = getopt32(argv, "ftL"
pascal@12460 61 + opts = getopt32(argv, "ftLm"
pascal@12460 62 IF_SELINUX("Z")
pascal@12460 63 IF_FEATURE_STAT_FORMAT("c:", &format)
pascal@12460 64 );
pascal@12460 65 @@ -719,6 +742,9 @@
pascal@12460 66 selinux_or_die();
pascal@12460 67 }
pascal@12460 68 #endif
pascal@12460 69 + if (opts & OPT_MAP) { /* -m */
pascal@12460 70 + statfunc = do_mapfile;
pascal@12460 71 + }
pascal@12460 72 ok = 1;
pascal@12460 73 argv += optind;
pascal@12460 74 for (i = 0; argv[i]; ++i)