newlib-cygwin/newlib/libc/argz/argz_add_sep.c

34 lines
760 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 <stdlib.h>
#include <string.h>
#include <argz.h>
error_t
_DEFUN (argz_add_sep, (argz, argz_len, str, sep),
char **argz _AND
size_t *argz_len _AND
const char *str _AND
int sep)
{
char *str_argz = 0;
size_t str_argz_len = 0;
size_t last = *argz_len;
argz_create_sep (str, sep, &str_argz, &str_argz_len);
*argz_len += str_argz_len;
if(!(*argz = (char *)realloc(*argz, *argz_len)))
return ENOMEM;
memcpy(*argz + last, str_argz, str_argz_len);
return 0;
}