blob: fd0c2171e056ff2649c9e6150a2f200deb256c7a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* SPDX-FileCopyrightText: 1991 - 1994, Julianne Frances Haugh
* SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz
* SPDX-FileCopyrightText: 2000 - 2006, Tomasz Kłoczko
* SPDX-FileCopyrightText: 2007 - 2009, Nicolas François
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#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 /*@only@*//*@null@*/struct group *getgr_nam_gid (/*@null@*/const char *grname)
{
char *end;
long long gid;
if (NULL == grname) {
return NULL;
}
errno = 0;
gid = strtoll(grname, &end, 10);
if ( ('\0' != *grname)
&& ('\0' == *end)
&& (0 == errno)
&& (/*@+longintegral@*/gid == (gid_t)gid)/*@=longintegral@*/) {
return xgetgrgid (gid);
}
return xgetgrnam (grname);
}
|
