shadow/lib/groupmem.c
nekral-guest 4375be4642 * lib/utent.c (getutline): Remove getutline(). This function is
no more used.
	* lib/groupmem.c: Limit the scope of variable i.
	* lib/shadow.c: Avoid implicit conversion of pointers and integers
	to booleans.
	* lib/shadow.c: Added brackets.
	* libmisc/limits.c: Limit the scope of variable tmpmask.
	* libmisc/copydir.c: Close opened file on failure.
	* libmisc/loginprompt.c: Limit the scope of variable envc.
	* libmisc/find_new_uid.c, libmisc/find_new_gid.c: Limit the scope
	of variable id.
2010-03-23 08:56:52 +00:00

108 lines
3.1 KiB
C

/*
* Copyright (c) 1990 - 1994, Julianne Frances Haugh
* Copyright (c) 1996 - 2000, Marek Michałkiewicz
* Copyright (c) 2001 , Michał Moskal
* Copyright (c) 2005 , 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 "prototypes.h"
#include "defines.h"
#include "groupio.h"
/*@null@*/ /*@only@*/struct group *__gr_dup (const struct group *grent)
{
struct group *gr;
int i;
gr = (struct group *) malloc (sizeof *gr);
if (NULL == gr) {
return NULL;
}
gr->gr_gid = grent->gr_gid;
gr->gr_name = strdup (grent->gr_name);
if (NULL == gr->gr_name) {
free(gr);
return NULL;
}
gr->gr_passwd = strdup (grent->gr_passwd);
if (NULL == gr->gr_passwd) {
free(gr->gr_name);
free(gr);
return NULL;
}
for (i = 0; grent->gr_mem[i]; i++);
gr->gr_mem = (char **) malloc ((i + 1) * sizeof (char *));
if (NULL == gr->gr_mem) {
free(gr->gr_passwd);
free(gr->gr_name);
free(gr);
return NULL;
}
for (i = 0; grent->gr_mem[i]; i++) {
gr->gr_mem[i] = strdup (grent->gr_mem[i]);
if (NULL == gr->gr_mem[i]) {
int j;
for (j=0; j<i; j++)
free(gr->gr_mem[j]);
free(gr->gr_mem);
free(gr->gr_passwd);
free(gr->gr_name);
free(gr);
return NULL;
}
}
gr->gr_mem[i] = NULL;
return gr;
}
void gr_free (/*@out@*/ /*@only@*/struct group *grent)
{
free (grent->gr_name);
if (NULL != grent->gr_passwd) {
memzero (grent->gr_passwd, strlen (grent->gr_passwd));
free (grent->gr_passwd);
}
if (NULL != grent->gr_mem) {
size_t i;
for (i = 0; NULL != grent->gr_mem[i]; i++) {
free (grent->gr_mem[i]);
}
free (grent->gr_mem);
}
free (grent);
}