stat: make -f optional. This allows to build stat for non-linux systems
function old new delta packed_usage 30761 30706 -55 Based on the patch by Ron Yorston. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Denys Vlasenko
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fe0dc34746
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ace833028f
@ -543,22 +543,6 @@ config FEATURE_SPLIT_FANCY
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Supports additional suffixes 'b' for 512 bytes,
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'g' for 1GiB for the -b option.
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config STAT
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bool "stat"
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default y
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select PLATFORM_LINUX # statfs()
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help
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display file or filesystem status.
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config FEATURE_STAT_FORMAT
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bool "Enable custom formats (-c)"
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default y
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depends on STAT
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help
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Without this, stat will not support the '-c format' option where
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users can pass a custom format string for output. This adds about
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7k to a nonstatic build on amd64.
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config STTY
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bool "stty"
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default y
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@ -12,54 +12,83 @@
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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//config:config STAT
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//config: bool "stat"
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//config: default y
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//config: help
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//config: display file or filesystem status.
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//config:
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//config:config FEATURE_STAT_FORMAT
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//config: bool "Enable custom formats (-c)"
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//config: default y
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//config: depends on STAT
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//config: help
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//config: Without this, stat will not support the '-c format' option where
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//config: users can pass a custom format string for output. This adds about
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//config: 7k to a nonstatic build on amd64.
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//config:
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//config:config FEATURE_STAT_FILESYSTEM
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//config: bool "Enable display of filesystem status (-f)"
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//config: default y
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//config: depends on STAT
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//config: select PLATFORM_LINUX # statfs()
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//config: help
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//config: Without this, stat will not support the '-f' option to display
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//config: information about filesystem status.
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//usage:#define stat_trivial_usage
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//usage: "[OPTIONS] FILE..."
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//usage:#define stat_full_usage "\n\n"
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//usage: "Display file (default) or filesystem status\n"
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//usage: "Display file"
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//usage: IF_FEATURE_STAT_FILESYSTEM(" (default) or filesystem")
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//usage: " status\n"
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//usage: IF_FEATURE_STAT_FORMAT(
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//usage: "\n -c fmt Use the specified format"
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//usage: "\n -c FMT Use the specified format"
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//usage: )
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//usage: IF_FEATURE_STAT_FILESYSTEM(
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//usage: "\n -f Display filesystem status"
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//usage: )
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//usage: "\n -L Follow links"
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//usage: "\n -t Display info in terse form"
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//usage: "\n -t Terse display"
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//usage: IF_SELINUX(
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//usage: "\n -Z Print security context"
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//usage: )
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//usage: IF_FEATURE_STAT_FORMAT(
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//usage: "\n\nValid format sequences for files:\n"
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//usage: "\n\nFMT sequences"IF_FEATURE_STAT_FILESYSTEM(" for files")":\n"
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//usage: " %a Access rights in octal\n"
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//usage: " %A Access rights in human readable form\n"
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//usage: " %b Number of blocks allocated (see %B)\n"
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//usage: " %B The size in bytes of each block reported by %b\n"
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//usage: " %B Size in bytes of each block reported by %b\n"
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//usage: " %d Device number in decimal\n"
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//usage: " %D Device number in hex\n"
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//usage: " %f Raw mode in hex\n"
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//usage: " %F File type\n"
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//usage: " %g Group ID of owner\n"
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//usage: " %G Group name of owner\n"
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//usage: " %g Group ID\n"
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//usage: " %G Group name\n"
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//usage: " %h Number of hard links\n"
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//usage: " %i Inode number\n"
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//usage: " %n File name\n"
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//usage: " %N File name, with -> TARGET if symlink\n"
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//usage: " %o I/O block size\n"
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//usage: " %s Total size, in bytes\n"
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//usage: " %s Total size in bytes\n"
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//usage: " %t Major device type in hex\n"
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//usage: " %T Minor device type in hex\n"
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//usage: " %u User ID of owner\n"
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//usage: " %U User name of owner\n"
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//usage: " %u User ID\n"
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//usage: " %U User name\n"
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//usage: " %x Time of last access\n"
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//usage: " %X Time of last access as seconds since Epoch\n"
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//usage: " %y Time of last modification\n"
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//usage: " %Y Time of last modification as seconds since Epoch\n"
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//usage: " %z Time of last change\n"
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//usage: " %Z Time of last change as seconds since Epoch\n"
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//usage: "\nValid format sequences for file systems:\n"
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//usage: IF_FEATURE_STAT_FILESYSTEM(
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//usage: "\nFMT sequences for file systems:\n"
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//usage: " %a Free blocks available to non-superuser\n"
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//usage: " %b Total data blocks in file system\n"
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//usage: " %c Total file nodes in file system\n"
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//usage: " %d Free file nodes in file system\n"
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//usage: " %f Free blocks in file system\n"
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//usage: " %b Total data blocks\n"
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//usage: " %c Total file nodes\n"
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//usage: " %d Free file nodes\n"
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//usage: " %f Free blocks\n"
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//usage: IF_SELINUX(
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//usage: " %C Security context in selinux\n"
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//usage: )
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@ -71,13 +100,16 @@
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//usage: " %t Type in hex\n"
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//usage: " %T Type in human readable form"
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//usage: )
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//usage: )
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#include "libbb.h"
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#define OPT_FILESYS (1 << 0)
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#define OPT_TERSE (1 << 1)
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#define OPT_DEREFERENCE (1 << 2)
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#define OPT_SELINUX (1 << 3)
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enum {
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OPT_TERSE = (1 << 0),
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OPT_DEREFERENCE = (1 << 1),
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OPT_FILESYS = (1 << 2) * ENABLE_FEATURE_STAT_FILESYSTEM,
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OPT_SELINUX = (1 << (2+ENABLE_FEATURE_STAT_FILESYSTEM)) * ENABLE_SELINUX,
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};
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#if ENABLE_FEATURE_STAT_FORMAT
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typedef bool (*statfunc_ptr)(const char *, const char *);
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@ -132,6 +164,7 @@ static const char *human_time(time_t t)
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#undef buf
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}
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#if ENABLE_FEATURE_STAT_FILESYSTEM
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/* Return the type of the specified file system.
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* Some systems have statfvs.f_basetype[FSTYPSZ]. (AIX, HP-UX, and Solaris)
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* Others have statfs.f_fstypename[MFSNAMELEN]. (NetBSD 1.5.2)
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@ -202,6 +235,7 @@ static unsigned long long get_f_fsid(const struct statfs *statfsbuf)
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while (--sz > 0);
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return r;
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}
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#endif /* FEATURE_STAT_FILESYSTEM */
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#if ENABLE_FEATURE_STAT_FORMAT
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static void strcatc(char *str, char c)
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@ -217,6 +251,7 @@ static void printfs(char *pformat, const char *msg)
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printf(pformat, msg);
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}
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#if ENABLE_FEATURE_STAT_FILESYSTEM
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/* print statfs info */
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static void FAST_FUNC print_statfs(char *pformat, const char m,
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const char *const filename, const void *data
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@ -263,6 +298,7 @@ static void FAST_FUNC print_statfs(char *pformat, const char m,
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printf(pformat, m);
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}
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}
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#endif
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/* print stat info */
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static void FAST_FUNC print_stat(char *pformat, const char m,
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@ -423,6 +459,7 @@ static void print_it(const char *masterformat,
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}
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#endif /* FEATURE_STAT_FORMAT */
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#if ENABLE_FEATURE_STAT_FILESYSTEM
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/* Stat the file system and print what we find. */
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#if !ENABLE_FEATURE_STAT_FORMAT
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#define do_statfs(filename, format) do_statfs(filename)
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@ -538,6 +575,7 @@ static bool do_statfs(const char *filename, const char *format)
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#endif /* FEATURE_STAT_FORMAT */
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return 1;
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}
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#endif /* FEATURE_STAT_FILESYSTEM */
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/* stat the file and print what we find */
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#if !ENABLE_FEATURE_STAT_FORMAT
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@ -721,12 +759,15 @@ int stat_main(int argc UNUSED_PARAM, char **argv)
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statfunc_ptr statfunc = do_stat;
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opt_complementary = "-1"; /* min one arg */
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opts = getopt32(argv, "ftL"
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opts = getopt32(argv, "tL"
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IF_FEATURE_STAT_FILESYSTEM("f")
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IF_SELINUX("Z")
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IF_FEATURE_STAT_FORMAT("c:", &format)
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);
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#if ENABLE_FEATURE_STAT_FILESYSTEM
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if (opts & OPT_FILESYS) /* -f */
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statfunc = do_statfs;
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#endif
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#if ENABLE_SELINUX
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if (opts & OPT_SELINUX) {
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selinux_or_die();
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