diff options
Diffstat (limited to 'REORG.TODO/debug/warning-nop.c')
| -rw-r--r-- | REORG.TODO/debug/warning-nop.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/REORG.TODO/debug/warning-nop.c b/REORG.TODO/debug/warning-nop.c new file mode 100644 index 0000000000..8a740da36a --- /dev/null +++ b/REORG.TODO/debug/warning-nop.c @@ -0,0 +1,70 @@ +/* Dummy nop functions to elicit link-time warnings. + Copyright (C) 2005-2017 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> |