From 392d7920cd6e66a9e0fd6a4fb2c93d1ccabf65b9 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Mon, 29 Apr 1996 05:21:53 +0000 Subject: Mon Apr 29 00:11:59 1996 Roland McGrath * 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. --- string/argz-append.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 string/argz-append.c (limited to 'string/argz-append.c') diff --git a/string/argz-append.c b/string/argz-append.c new file mode 100644 index 0000000000..e61e3acf58 --- /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 + + 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 +#include +#include + +/* 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) -- cgit v1.2.3