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* NEWS, src/pwconv.c, src/pwunconv.c, src/grpconv.c,

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src/grpunconv.c, man/pwconv.8.xml: Add --root option.
	* src/pwconv.c, src/pwunconv.c, src/grpconv.c, src/grpunconv.c:
	Add --help option.
	* src/pwconv.c, src/pwunconv.c, src/grpconv.c, src/grpunconv.c:
	Add process_flags() and usage().
This commit is contained in:
nekral-guest
2011-11-06 18:38:04 +00:00
parent c017dd73aa
commit bf90350fe7
7 changed files with 288 additions and 19 deletions
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62
src/grpconv.c
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@@ -46,8 +46,11 @@
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <getopt.h>
#include "nscd.h"
#include "prototypes.h"
/*@-exitarg@*/
#include "exitcodes.h"
#ifdef SHADOWGRP
#include "groupio.h"
#include "sgroupio.h"
@@ -61,6 +64,8 @@ static bool sgr_locked = false;
/* local function prototypes */
static void fail_exit (int status);
static void usage (int status);
static void process_flags (int argc, char **argv);
static void fail_exit (int status)
{
@@ -83,6 +88,55 @@ static void fail_exit (int status)
exit (status);
}
static void usage (int status)
{
FILE *usageout = (E_SUCCESS != status) ? stderr : stdout;
(void) fprintf (usageout,
_("Usage: %s [options]\n"
"\n"
"Options:\n"),
Prog);
(void) fputs (_(" -h, --help display this help message and exit\n"), usageout);
(void) fputs (_(" -R, --root CHROOT_DIR directory to chroot into\n"), usageout);
(void) fputs ("\n", usageout);
exit (status);
}
/*
* process_flags - parse the command line options
*
* It will not return if an error is encountered.
*/
static void process_flags (int argc, char **argv)
{
/*
* Parse the command line options.
*/
int c;
static struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"root", required_argument, NULL, 'R'},
{NULL, 0, NULL, '\0'}
};
while ((c = getopt_long (argc, argv, "hR:",
long_options, NULL)) != -1) {
switch (c) {
case 'h':
usage (E_SUCCESS);
/*@notreached@*/break;
case 'R': /* no-op, handled in process_root_flag () */
break;
default:
usage (E_USAGE);
}
}
if (optind != argc) {
usage (E_USAGE);
}
}
int main (int argc, char **argv)
{
const struct group *gr;
@@ -90,18 +144,18 @@ int main (int argc, char **argv)
const struct sgrp *sg;
struct sgrp sgent;
if (1 != argc) {
(void) fputs (_("Usage: grpconv\n"), stderr);
fail_exit (2);
}
Prog = Basename (argv[0]);
(void) setlocale (LC_ALL, "");
(void) bindtextdomain (PACKAGE, LOCALEDIR);
(void) textdomain (PACKAGE);
process_root_flag ("-R", argc, argv);
OPENLOG ("grpconv");
process_flags (argc, argv);
if (gr_lock () == 0) {
fprintf (stderr,
_("%s: cannot lock %s; try again later.\n"),