CC-tea/coreutils
1
0
Fork 0
mirror of git://git.sv.gnu.org/coreutils.git synced 2026-06-01 23:36:29 +02:00
Code Issues Projects Releases Wiki Activity

Add new option: --reference=FILE.

Browse Source
This commit is contained in:
Jim Meyering
1997-07-29 03:05:45 +00:00
parent 2ff9982e42
commit 910502b044
1 changed files with 20 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/chmod.c
+20 -14
View File
@@ -15,13 +15,7 @@
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Options:
-R Recursively change modes of directory contents.
-c Verbosely describe only files whose modes actually change.
-f Do not print error messages about files.
-v Verbosely describe changed modes.
David MacKenzie <djm@gnu.ai.mit.edu> */
/* Written by David MacKenzie <djm@gnu.ai.mit.edu> */
#include <config.h>
#include <stdio.h>
@@ -54,6 +48,10 @@ static int force_silent;
/* If nonzero, describe the modes we set. */
static int verbose;
/* The argument to the --reference option. Use the owner and group IDs
of this file. This file must exist. */
static char *reference_file;
/* If nonzero, describe only modes that change. */
static int changes_only;
@@ -69,6 +67,7 @@ static struct option const long_options[] =
{"changes", no_argument, 0, 'c'},
{"silent", no_argument, 0, 'f'},
{"quiet", no_argument, 0, 'f'},
{"reference", required_argument, 0, 12},
{"verbose", no_argument, 0, 'v'},
{"help", no_argument, &show_help, 1},
{"version", no_argument, &show_version, 1},
@@ -217,13 +216,15 @@ usage (int status)
printf (_("\
Usage: %s [OPTION]... MODE[,MODE]... FILE...\n\
or: %s [OPTION]... OCTAL_MODE FILE...\n\
or: %s [OPTION]... --reference=RFILE FILE...\n\
"),
program_name, program_name);
program_name, program_name, program_name);
printf (_("\
\n\
-c, --changes like verbose but report only when a change is made\n\
-f, --silent, --quiet suppress most error messages\n\
-v, --verbose output a diagnostic for every file processed\n\
--reference=RFILE use RFILE's mode instead of MODE values\n\
-R, --recursive change files and directories recursively\n\
--help display this help and exit\n\
--version output version information and exit\n\
@@ -259,9 +260,8 @@ main (int argc, char **argv)
{
thisind = optind ? optind : 1;
c = getopt_long (argc, argv, "RcfvrwxXstugoa,+-=", long_options,
(int *) 0);
if (c == EOF)
c = getopt_long (argc, argv, "RcfvrwxXstugoa,+-=", long_options, NULL);
if (c == -1)
break;
switch (c)
@@ -286,6 +286,9 @@ main (int argc, char **argv)
error (1, 0, _("invalid mode"));
modeind = thisind;
break;
case 12:
reference_file = optarg;
break;
case 'R':
recurse = 1;
break;
@@ -312,7 +315,7 @@ main (int argc, char **argv)
if (show_help)
usage (0);
if (modeind == 0)
if (modeind == 0 && reference_file == NULL)
modeind = optind++;
if (optind >= argc)
@@ -321,12 +324,15 @@ main (int argc, char **argv)
usage (1);
}
changes = mode_compile (argv[modeind],
MODE_MASK_EQUALS | MODE_MASK_PLUS | MODE_MASK_MINUS);
changes = (reference_file ? mode_create_from_ref (reference_file)
: mode_compile (argv[modeind], MODE_MASK_ALL));
if (changes == MODE_INVALID)
error (1, 0, _("invalid mode"));
else if (changes == MODE_MEMORY_EXHAUSTED)
error (1, 0, _("virtual memory exhausted"));
else if (changes == MODE_BAD_REFERENCE)
error (1, errno, "%s", reference_file);
for (; optind < argc; ++optind)
{