mirror of
git://sourceware.org/git/newlib-cygwin.git
synced 2025-01-16 03:19:54 +08:00
76a2ee78b6
argument. * libc/argz/argz_append.c (argz_append): Handle empty buf argument. * libc/argz/argz_create_sep.c (argz_create_sep): Return (NULL, 0) on empty input strings. * libc/argz/argz_extract.c (argz_extract): Check argz_len before looping through argz. * libc/argz/argz_stringify.c (argz_stringify): Ditto.
32 lines
671 B
C
32 lines
671 B
C
/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software
|
|
* is freely granted, provided that this notice is preserved.
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <sys/types.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
error_t
|
|
_DEFUN (argz_append, (argz, argz_len, buf, buf_len),
|
|
char **argz _AND
|
|
size_t *argz_len _AND
|
|
const char *buf _AND
|
|
size_t buf_len)
|
|
{
|
|
if (buf_len)
|
|
{
|
|
size_t last = *argz_len;
|
|
|
|
*argz_len += buf_len;
|
|
|
|
if(!(*argz = (char *)realloc(*argz, *argz_len)))
|
|
return ENOMEM;
|
|
|
|
memcpy(*argz + last, buf, buf_len);
|
|
}
|
|
return 0;
|
|
}
|