50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* Routines for dealing with '\0' separated arg vectors.
|
|
Copyright (C) 1995-2016 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Written by Miles Bader <miles@gnu.ai.mit.edu>
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <argz.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
/* Add BUF, of length BUF_LEN to the argz vector in ARGZ & ARGZ_LEN. */
|
|
error_t
|
|
__argz_append (char **argz, size_t *argz_len, const char *buf, size_t buf_len)
|
|
{
|
|
size_t new_argz_len = *argz_len + buf_len;
|
|
char *new_argz = realloc (*argz, new_argz_len);
|
|
if (new_argz)
|
|
{
|
|
memcpy (new_argz + *argz_len, buf, buf_len);
|
|
*argz = new_argz;
|
|
*argz_len = new_argz_len;
|
|
return 0;
|
|
}
|
|
else
|
|
return ENOMEM;
|
|
}
|
|
weak_alias (__argz_append, argz_append)
|
|
|
|
/* Add STR to the argz vector in ARGZ & ARGZ_LEN. This should be moved into
|
|
argz.c in libshouldbelibc. */
|
|
error_t
|
|
__argz_add (char **argz, size_t *argz_len, const char *str)
|
|
{
|
|
return __argz_append (argz, argz_len, str, strlen (str) + 1);
|
|
}
|
|
weak_alias (__argz_add, argz_add)
|