wok diff busybox/stuff/busybox-1.21-stat.u @ rev 15079

libdes: add license
author Pascal Bellard <pascal.bellard@slitaz.org>
date Tue Aug 13 17:28:10 2013 +0000 (2013-08-13)
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children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/busybox/stuff/busybox-1.21-stat.u	Tue Aug 13 17:28:10 2013 +0000
     1.3 @@ -0,0 +1,74 @@
     1.4 +Add non standard stat -m support to display file block list
     1.5 +Useful to patch read-only filesystems such as ISO9660, for defragmentation
     1.6 +tools or boot loaders
     1.7 +--- busybox-1.20.0/coreutils/stat.c
     1.8 ++++ busybox-1.20.0/coreutils/stat.c
     1.9 +@@ -23,6 +23,7 @@
    1.10 + //usage:     "\n	-f	Display filesystem status"
    1.11 + //usage:     "\n	-L	Follow links"
    1.12 + //usage:     "\n	-t	Display info in terse form"
    1.13 ++//usage:     "\n	-m	Display block list"
    1.14 + //usage:	IF_SELINUX(
    1.15 + //usage:     "\n	-Z	Print security context"
    1.16 + //usage:	)
    1.17 +@@ -73,11 +74,13 @@
    1.18 + //usage:	)
    1.19 + 
    1.20 + #include "libbb.h"
    1.21 ++#include <linux/fs.h>
    1.22 + 
    1.23 + #define OPT_FILESYS     (1 << 0)
    1.24 + #define OPT_TERSE       (1 << 1)
    1.25 + #define OPT_DEREFERENCE (1 << 2)
    1.26 +-#define OPT_SELINUX     (1 << 3)
    1.27 ++#define OPT_MAP         (1 << 3)
    1.28 ++#define OPT_SELINUX     (1 << 4)
    1.29 + 
    1.30 + #if ENABLE_FEATURE_STAT_FORMAT
    1.31 + typedef bool (*statfunc_ptr)(const char *, const char *);
    1.32 +@@ -425,6 +428,26 @@
    1.33 + 
    1.34 + /* Stat the file system and print what we find.  */
    1.35 + #if !ENABLE_FEATURE_STAT_FORMAT
    1.36 ++#define do_mapfile(filename, format) do_mapfile(filename)
    1.37 ++#endif
    1.38 ++static bool do_mapfile(const char *filename, const char *format)
    1.39 ++{
    1.40 ++	int i = 0;
    1.41 ++	int fd = xopen(filename, O_RDONLY);
    1.42 ++
    1.43 ++#if ENABLE_FEATURE_STAT_FORMAT
    1.44 ++	(void) format;
    1.45 ++#endif
    1.46 ++	while (1) {
    1.47 ++		int blk = i++;
    1.48 ++		if (ioctl(fd,FIBMAP,&blk) < 0 || blk == 0) break;
    1.49 ++		printf("%u\n",blk);
    1.50 ++	}	
    1.51 ++	return 1;
    1.52 ++}
    1.53 ++
    1.54 ++/* Stat the file system and print what we find.  */
    1.55 ++#if !ENABLE_FEATURE_STAT_FORMAT
    1.56 + #define do_statfs(filename, format) do_statfs(filename)
    1.57 + #endif
    1.58 + static bool do_statfs(const char *filename, const char *format)
    1.59 +@@ -720,7 +743,7 @@
    1.60 + 	statfunc_ptr statfunc = do_stat;
    1.61 + 
    1.62 + 	opt_complementary = "-1"; /* min one arg */
    1.63 +-	opts = getopt32(argv, "ftL"
    1.64 ++	opts = getopt32(argv, "ftLm"
    1.65 + 		IF_SELINUX("Z")
    1.66 + 		IF_FEATURE_STAT_FORMAT("c:", &format)
    1.67 + 	);
    1.68 +@@ -731,6 +754,9 @@
    1.69 + 		selinux_or_die();
    1.70 + 	}
    1.71 + #endif
    1.72 ++ 	if (opts & OPT_MAP) { /* -m */
    1.73 ++ 		statfunc = do_mapfile;
    1.74 ++	}
    1.75 + 	ok = 1;
    1.76 + 	argv += optind;
    1.77 + 	for (i = 0; argv[i]; ++i)