Re: [bug-gnulib] strnlen.h needed?

[Bruno Haible]

Dave Love wrote:
> Where shishi uses `strnlen', on a system without a native version of
> the function it gets an obscure warning about `rpl_strnlen' being
> undeclared.
>
> It looks as if gnulib needs a strnlen.h which declares rpl_strnlen
> appropriately (conditional on HAVE_STRNLEN) and it should be used in
> files where strnlen is called.

I agree. Here is a fix.

Bruno

*** modules/strnlen     22 Sep 2004 15:11:04 -0000      1.4
--- modules/strnlen     14 Mar 2005 14:36:50 -0000
***************
*** 2,7 ****
--- 2,8 ----
  strnlen() function: determine the length of a size-bounded string.
  
  Files:
+ lib/strnlen.h
  lib/strnlen.c
  m4/strnlen.m4
  
***************
*** 13,18 ****
--- 14,20 ----
  Makefile.am:
  
  Include:
+ "strnlen.h"
  
  License:
  LGPL
*** /dev/null   1970-01-01 01:00:00.000000000 +0100
--- lib/strnlen.h       2005-03-14 15:27:38.000000000 +0100
***************
*** 0 ****
--- 1,29 ----
+ /* Length of a size-bounded string.
+    Copyright (C) 2005 Free Software Foundation, Inc.
+ 
+    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+ 
+ #if HAVE_STRNLEN
+ 
+ /* Get strnlen() declaration.  */
+ #include <string.h>
+ 
+ #else
+ 
+ /* Find the length (number of bytes) of STRING, but scan at most MAXLEN bytes.
+    If no '\0' terminator is found in that many bytes, return MAXLEN.  */
+ extern size_t strnlen (const char *string, size_t maxlen);
+ 
+ #endif