diff options
Diffstat (limited to 'string/argz-append.c')
-rw-r--r-- | string/argz-append.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/string/argz-append.c b/string/argz-append.c new file mode 100644 index 0000000..e61e3ac --- /dev/null +++ b/string/argz-append.c @@ -0,0 +1,50 @@ +/* Routines for dealing with '\0' separated arg vectors. + + Copyright (C) 1995, 1996 Free Software Foundation, Inc. + + Written by Miles Bader <miles@gnu.ai.mit.edu> + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This program 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#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) |