glibc/string/argz-next.c
Roland McGrath 531e4bca8e * string/argz-extract.c (__argz_extract): Add de-consting cast for
setting results.

	* string/argz-next.c (__argz_next): Likewise.
1998-09-05 04:03:21 +00:00

41 lines
1.3 KiB
C

/* Iterate through the elements of an argz block.
Copyright (C) 1995, 96, 97, 98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Miles Bader <miles@gnu.org>
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <argz.h>
#include <string.h>
char *
__argz_next (const char *argz, size_t argz_len, const char *entry)
{
if (entry)
{
if (entry < argz + argz_len)
entry = strchr (entry, '\0') + 1;
return entry >= argz + argz_len ? NULL : (char *) entry;
}
else
if (argz_len > 0)
return (char *) argz;
else
return NULL;
}
weak_alias (__argz_next, argz_next)