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- use {g,s}etprogname()

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- fix usage
This commit is contained in:
christos 2012-10-23 17:55:46 +00:00
parent 2690e9488f
commit 968ce182a5
1 changed files with 10 additions and 6 deletions
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16
sbin/chown/chown.c
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@ -1,4 +1,4 @@
/* $NetBSD: chown.c,v 1.6 2012/10/22 18:02:26 christos Exp $ */
/* $NetBSD: chown.c,v 1.7 2012/10/23 17:55:46 christos Exp $ */
/*
* Copyright (c) 1988, 1993, 1994, 2003
@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1988, 1993, 1994, 2003\
#if 0
static char sccsid[] = "@(#)chown.c 8.8 (Berkeley) 4/4/94";
#else
__RCSID("$NetBSD: chown.c,v 1.6 2012/10/22 18:02:26 christos Exp $");
__RCSID("$NetBSD: chown.c,v 1.7 2012/10/23 17:55:46 christos Exp $");
#endif
#endif /* not lint */
@ -68,7 +68,7 @@ __dead static void usage(void);
static uid_t uid;
static gid_t gid;
static int ischown;
static char *myname;
static const char *myname;
struct option chown_longopts[] = {
{ "reference", required_argument, 0,
@ -86,9 +86,11 @@ main(int argc, char **argv)
char *cp, *reference;
int (*change_owner)(const char *, uid_t, gid_t);
setprogname(*argv);
(void)setlocale(LC_ALL, "");
myname = (cp = strrchr(*argv, '/')) ? cp + 1 : *argv;
myname = getprogname();
ischown = (myname[2] == 'o');
reference = NULL;
@ -292,7 +294,9 @@ usage(void)
{
(void)fprintf(stderr,
"usage: %s [-R [-H | -L | -P]] [-fhv] %s file ...\n",
myname, ischown ? "[owner][:group]" : "group");
"Usage: %s [-R [-H | -L | -P]] [-fhv] %s file ...\n"
"\t%s [-R [-H | -L | -P]] [-fhv] --reference=rfile file ...\n",
myname, ischown ? "owner:group|owner|:group" : "group",
myname);
exit(EXIT_FAILURE);
}