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glibc/debug/warning-nop.c
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/* Dummy nop functions to elicit link-time warnings. | |
Copyright (C) 2005-2016 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. | |
In addition to the permissions in the GNU Lesser General Public | |
License, the Free Software Foundation gives you unlimited | |
permission to link the compiled version of this file with other | |
programs, and to distribute those programs without any restriction | |
coming from the use of this file. (The GNU Lesser General Public | |
License restrictions do apply in other respects; for example, they | |
cover modification of the file, and distribution when not linked | |
into another program.) | |
Note that people who make modified versions of this file are not | |
obligated to grant this special exception for their modified | |
versions; it is their choice whether to do so. The GNU Lesser | |
General Public License gives permission to release a modified | |
version without this exception; this exception also makes it | |
possible to release a modified version which carries forward this | |
exception. | |
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, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <sys/cdefs.h> | |
static void | |
__attribute__ ((used)) | |
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 <string.h> |