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* mkgroup.c (usage): Simplify usage output. Generalize to allow use

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for help. Correct '?' typo to 'h'.
	(longopts): Add version option.
	(opts): Add 'v' version option.
	(print_version): New function.
	(main): Accommodate new version option.  Accommodate usage parameter
	changes.  Use usage to output help message.
This commit is contained in:
Corinna Vinschen
2002-03-19 15:28:13 +00:00
parent b035997120
commit 22a9157c7c
2 changed files with 58 additions and 20 deletions
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68
winsup/utils/mkgroup.c
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@@ -1,6 +1,6 @@
/* mkgroup.c:
Copyright 1997, 1998 Cygnus Solutions.
Copyright 1997, 1998, 2002 Cygnus Solutions.
This file is part of Cygwin.
@@ -20,6 +20,8 @@
#include <ntsecapi.h>
#include <ntdef.h>
static const char version[] = "$Revision$";
SID_IDENTIFIER_AUTHORITY sid_world_auth = {SECURITY_WORLD_SID_AUTHORITY};
SID_IDENTIFIER_AUTHORITY sid_nt_auth = {SECURITY_NT_AUTHORITY};
@@ -402,23 +404,24 @@ print_special (int print_sids,
}
int
usage ()
usage (FILE * stream, int status)
{
fprintf (stderr, "Usage: mkgroup [OPTION]... [domain]\n\n");
fprintf (stderr, "This program prints a /etc/group file to stdout\n\n");
fprintf (stderr, "Options:\n");
fprintf (stderr, " -l,--local print local group information\n");
fprintf (stderr, " -d,--domain print global group information from the domain\n");
fprintf (stderr, " specified (or from the current domain if there is\n");
fprintf (stderr, " no domain specified)\n");
fprintf (stderr, " -o,--id-offset offset change the default offset (10000) added to uids\n");
fprintf (stderr, " in domain accounts.\n");
fprintf (stderr, " -s,--no-sids don't print SIDs in pwd field\n");
fprintf (stderr, " (this affects ntsec)\n");
fprintf (stderr, " -u,--users print user list in gr_mem field\n");
fprintf (stderr, " -?,--help print this message\n\n");
fprintf (stderr, "One of `-l' or `-d' must be given on NT/W2K.\n");
return 1;
fprintf (stream, "Usage: mkgroup [OPTION]... [domain]\n\n");
fprintf (stream, "This program prints a /etc/group file to stdout\n\n");
fprintf (stream, "Options:\n");
fprintf (stream, " -l,--local print local group information\n");
fprintf (stream, " -d,--domain print global group information from the domain\n");
fprintf (stream, " specified (or from the current domain if there is\n");
fprintf (stream, " no domain specified)\n");
fprintf (stream, " -o,--id-offset offset change the default offset (10000) added to uids\n");
fprintf (stream, " in domain accounts.\n");
fprintf (stream, " -s,--no-sids don't print SIDs in pwd field\n");
fprintf (stream, " (this affects ntsec)\n");
fprintf (stream, " -u,--users print user list in gr_mem field\n");
fprintf (stream, " -h,--help print this message\n\n");
fprintf (stream, " -v,--version print version information and exit\n\n");
fprintf (stream, "One of `-l' or `-d' must be given on NT/W2K.\n");
return status;
}
struct option longopts[] = {
@@ -428,10 +431,32 @@ struct option longopts[] = {
{"no-sids", no_argument, NULL, 's'},
{"users", no_argument, NULL, 'u'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
{0, no_argument, NULL, 0}
};
char opts[] = "ldo:suh";
char opts[] = "ldo:suhv";
print_version ()
{
const char *v = strchr (version, ':');
int len;
if (!v)
{
v = "?";
len = 1;
}
else
{
v += 2;
len = strchr (v, ' ') - v;
}
printf ("\
mkgroup (cygwin) %.*s\n\
group File Generator\n\
Copyright 1997, 1998, 2002 Red Hat, Inc.\n\
Compiled on %s", len, v, __DATE__);
}
int
main (int argc, char **argv)
@@ -461,7 +486,7 @@ main (int argc, char **argv)
if (GetVersion () < 0x80000000)
{
if (argc == 1)
return usage ();
return usage(stderr, 1);
else
{
while ((i = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
@@ -483,7 +508,10 @@ main (int argc, char **argv)
print_users = 1;
break;
case 'h':
return usage ();
return usage (stdout, 0);
case 'v':
print_version ();
exit (0);
default:
fprintf (stderr, "Try `%s --help' for more information.\n", argv[0]);
return 1;