projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 392d7920 RM |
1 | /* Routines for dealing with '\0' separated arg vectors. |
| 2 | ||
| 3 | Copyright (C) 1995, 1996 Free Software Foundation, Inc. | |
| 4 | ||
| 5 | Written by Miles Bader <miles@gnu.ai.mit.edu> | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or | |
| 8 | modify it under the terms of the GNU General Public License as | |
| 9 | published by the Free Software Foundation; either version 2, or (at | |
| 10 | your option) any later version. | |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, but | |
| 13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with this program; if not, write to the Free Software | |
| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 20 | ||
| 21 | #include <argz.h> | |
| 22 | #include <string.h> | |
| 23 | #include <stdlib.h> | |
| 24 | ||
| 25 | /* Add BUF, of length BUF_LEN to the argz vector in ARGZ & ARGZ_LEN. */ | |
| 26 | error_t | |
| 27 | __argz_append (char **argz, size_t *argz_len, const char *buf, size_t buf_len) | |
| 28 | { | |
| 29 | size_t new_argz_len = *argz_len + buf_len; | |
| 30 | char *new_argz = realloc (*argz, new_argz_len); | |
| 31 | if (new_argz) | |
| 32 | { | |
| 33 | memcpy (new_argz + *argz_len, buf, buf_len); | |
| 34 | *argz = new_argz; | |
| 35 | *argz_len = new_argz_len; | |
| 36 | return 0; | |
| 37 | } | |
| 38 | else | |
| 39 | return ENOMEM; | |
| 40 | } | |
| 41 | weak_alias (__argz_append, argz_append) | |
| 42 | ||
| 43 | /* Add STR to the argz vector in ARGZ & ARGZ_LEN. This should be moved into | |
| 44 | argz.c in libshouldbelibc. */ | |
| 45 | error_t | |
| 46 | __argz_add (char **argz, size_t *argz_len, const char *str) | |
| 47 | { | |
| 48 | return __argz_append (argz, argz_len, str, strlen (str) + 1); | |
| 49 | } | |
| 50 | weak_alias (__argz_add, argz_add) |