From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 12 Jul 2007 18:26:36 +0000 Subject: 2.5-18.1 --- debug/warning-nop.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 debug/warning-nop.c (limited to 'debug/warning-nop.c') diff --git a/debug/warning-nop.c b/debug/warning-nop.c new file mode 100644 index 0000000000..8f2f66e16a --- /dev/null +++ b/debug/warning-nop.c @@ -0,0 +1,53 @@ +/* Dummy nop functions to elicit link-time warnings. + Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + +static void +nop (void) +{ +} + +/* Don't insert any other #include's before this #undef! */ + +#undef __warndecl +#define __warndecl(name, msg) \ + extern void name (void) __attribute__ ((alias ("nop"))) attribute_hidden; \ + link_warning (name, msg) + +#undef __USE_FORTIFY_LEVEL +#define __USE_FORTIFY_LEVEL 99 + +/* Following here we need an #include for each public header file + that uses __warndecl. */ + +/* Define away to avoid warnings with compilers that do not have these + builtins. */ +#define __builtin___memcpy_chk(dest, src, len, bos) NULL +#define __builtin___memmove_chk(dest, src, len, bos) NULL +#define __builtin___mempcpy_chk(dest, src, len, bos) NULL +#define __builtin___memset_chk(dest, ch, len, bos) NULL +#define __builtin___stpcpy_chk(dest, src, bos) NULL +#define __builtin___strcat_chk(dest, src, bos) NULL +#define __builtin___strcpy_chk(dest, src, bos) NULL +#define __builtin___strncat_chk(dest, src, len, bos) NULL +#define __builtin___strncpy_chk(dest, src, len, bos) NULL +#define __builtin_object_size(bos, level) 0 + +#include -- cgit 1.4.1