wok diff busybox/stuff/busybox-1.32-stat.u @ rev 24130

Add tnylpo
author Pascal Bellard <pascal.bellard@slitaz.org>
date Mon Oct 18 14:47:15 2021 +0000 (2021-10-18)
parents
children
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/busybox/stuff/busybox-1.32-stat.u	Mon Oct 18 14:47:15 2021 +0000
     1.3 @@ -0,0 +1,78 @@
     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-1.32/coreutils/stat.c
     1.8 ++++ busybox-1.32/coreutils/stat.c
     1.9 +@@ -54,6 +54,7 @@
    1.10 + //usage:	)
    1.11 + //usage:     "\n	-L	Follow links"
    1.12 + //usage:     "\n	-t	Terse display"
    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 +@@ -106,13 +107,15 @@
    1.18 + //usage:	)
    1.19 + 
    1.20 + #include "libbb.h"
    1.21 ++#include <linux/fs.h>
    1.22 + #include "common_bufsiz.h"
    1.23 + 
    1.24 + enum {
    1.25 + 	OPT_TERSE       = (1 << 0),
    1.26 + 	OPT_DEREFERENCE = (1 << 1),
    1.27 +-	OPT_FILESYS     = (1 << 2) * ENABLE_FEATURE_STAT_FILESYSTEM,
    1.28 +-	OPT_SELINUX     = (1 << (2+ENABLE_FEATURE_STAT_FILESYSTEM)) * ENABLE_SELINUX,
    1.29 ++	OPT_MAP         = (1 << 2),
    1.30 ++	OPT_FILESYS     = (1 << 3) * ENABLE_FEATURE_STAT_FILESYSTEM,
    1.31 ++	OPT_SELINUX     = (1 << (3+ENABLE_FEATURE_STAT_FILESYSTEM)) * ENABLE_SELINUX,
    1.32 + };
    1.33 + 
    1.34 + #if ENABLE_FEATURE_STAT_FORMAT
    1.35 +@@ -463,6 +466,25 @@
    1.36 + }
    1.37 + #endif  /* FEATURE_STAT_FORMAT */
    1.38 + 
    1.39 ++#if !ENABLE_FEATURE_STAT_FORMAT
    1.40 ++#define do_mapfile(filename, format) do_mapfile(filename)
    1.41 ++#endif
    1.42 ++static bool do_mapfile(const char *filename, const char *format)
    1.43 ++{
    1.44 ++	int i = 0;
    1.45 ++	int fd = xopen(filename, O_RDONLY);
    1.46 ++
    1.47 ++#if ENABLE_FEATURE_STAT_FORMAT
    1.48 ++	(void) format;
    1.49 ++#endif
    1.50 ++	while (1) {
    1.51 ++		int blk = i++;
    1.52 ++		if (ioctl(fd,FIBMAP,&blk) < 0 || blk == 0) break;
    1.53 ++		printf("%u\n",blk);
    1.54 ++	}	
    1.55 ++	return 1;
    1.56 ++}
    1.57 ++
    1.58 + #if ENABLE_FEATURE_STAT_FILESYSTEM
    1.59 + /* Stat the file system and print what we find.  */
    1.60 + #if !ENABLE_FEATURE_STAT_FORMAT
    1.61 +@@ -767,7 +789,7 @@
    1.62 + 	opts =
    1.63 + #endif
    1.64 + 	getopt32(argv, "^"
    1.65 +-		"tL"
    1.66 ++		"tLm"
    1.67 + 		IF_FEATURE_STAT_FILESYSTEM("f")
    1.68 + 		IF_SELINUX("Z")
    1.69 + 		IF_FEATURE_STAT_FORMAT("c:")
    1.70 +@@ -783,6 +805,11 @@
    1.71 + 		selinux_or_die();
    1.72 + 	}
    1.73 + #endif
    1.74 ++#if ENABLE_FEATURE_STAT_FILESYSTEM
    1.75 ++ 	if (opts & OPT_MAP) { /* -m */
    1.76 ++ 		statfunc = do_mapfile;
    1.77 ++	}
    1.78 ++#endif
    1.79 + 	ok = 1;
    1.80 + 	argv += optind;
    1.81 + 	for (i = 0; argv[i]; ++i)