77459dc27d
libmisc/Makefile.am, lib/prototypes.h: Moved getgr_nam_gid() from src/useradd.c and src/usermod.c to libmisc/getgr_nam_gid.c.
63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 1991 - 1994, Julianne Frances Haugh
|
|
* Copyright (c) 1996 - 2000, Marek Michałkiewicz
|
|
* Copyright (c) 2000 - 2006, Tomasz Kłoczko
|
|
* Copyright (c) 2007 - 2009, Nicolas François
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the copyright holders or contributors may not be used to
|
|
* endorse or promote products derived from this software without
|
|
* specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#ident "$Id$"
|
|
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
#include <grp.h>
|
|
#include "prototypes.h"
|
|
|
|
/*
|
|
* getgr_nam_gid - Return a pointer to the group specified by a string.
|
|
* The string may be a valid GID or a valid groupname.
|
|
* If the group does not exist on the system, NULL is returned.
|
|
*/
|
|
extern struct group *getgr_nam_gid (const char *grname)
|
|
{
|
|
long long int gid;
|
|
char *endptr;
|
|
|
|
errno = 0;
|
|
gid = strtoll (grname, &endptr, 10);
|
|
if ( ('\0' != *grname)
|
|
&& ('\0' == *endptr)
|
|
&& (ERANGE != errno)
|
|
&& (gid == (gid_t)gid)) {
|
|
return xgetgrgid ((gid_t) gid);
|
|
}
|
|
return xgetgrnam (grname);
|
|
}
|
|
|