1 /* Routines for dealing with '\0' separated arg vectors.
2 Copyright (C) 1995-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
23 /* Add BUF, of length BUF_LEN to the argz vector in ARGZ & ARGZ_LEN. */
25 __argz_append (char **argz
, size_t *argz_len
, const char *buf
, size_t buf_len
)
27 size_t new_argz_len
= *argz_len
+ buf_len
;
28 char *new_argz
= realloc (*argz
, new_argz_len
);
31 memcpy (new_argz
+ *argz_len
, buf
, buf_len
);
33 *argz_len
= new_argz_len
;
39 weak_alias (__argz_append
, argz_append
)
41 /* Add STR to the argz vector in ARGZ & ARGZ_LEN. This should be moved into
42 argz.c in libshouldbelibc. */
44 __argz_add (char **argz
, size_t *argz_len
, const char *str
)
46 return __argz_append (argz
, argz_len
, str
, strlen (str
) + 1);
48 weak_alias (__argz_add
, argz_add
)