mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 06:50:07 +00:00
392d7920cd
* errno.h [!__error_t_defined] (error_t): New type. * sysdeps/mach/hurd/errnos.awk: #define __error_t_defined after the typedef in errnos.h. * string/envz.c, string/envz.h: New files. * string/argz.h, string/argz-append.c, string/argz-count.c, string/argz-create.c, string/argz-delete.c, string/argz-extract.c, string/argz-insert.c, string/argz-stringify.c: New files. * string/Makefile (routines): Add envz, argz-*. (headers): Add argz.h, envz.h.
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* 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)
|