1 | /* Dummy nop functions to elicit link-time warnings. |
2 | Copyright (C) 2005-2018 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | In addition to the permissions in the GNU Lesser General Public |
11 | License, the Free Software Foundation gives you unlimited |
12 | permission to link the compiled version of this file with other |
13 | programs, and to distribute those programs without any restriction |
14 | coming from the use of this file. (The GNU Lesser General Public |
15 | License restrictions do apply in other respects; for example, they |
16 | cover modification of the file, and distribution when not linked |
17 | into another program.) |
18 | |
19 | Note that people who make modified versions of this file are not |
20 | obligated to grant this special exception for their modified |
21 | versions; it is their choice whether to do so. The GNU Lesser |
22 | General Public License gives permission to release a modified |
23 | version without this exception; this exception also makes it |
24 | possible to release a modified version which carries forward this |
25 | exception. |
26 | |
27 | The GNU C Library is distributed in the hope that it will be useful, |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
30 | Lesser General Public License for more details. |
31 | |
32 | You should have received a copy of the GNU Lesser General Public |
33 | License along with the GNU C Library; if not, see |
34 | <http://www.gnu.org/licenses/>. */ |
35 | |
36 | #include <sys/cdefs.h> |
37 | |
38 | static void |
39 | __attribute__ ((used)) |
40 | nop (void) |
41 | { |
42 | } |
43 | |
44 | /* Don't insert any other #include's before this #undef! */ |
45 | |
46 | #undef __warndecl |
47 | #define __warndecl(name, msg) \ |
48 | extern void name (void) __attribute__ ((alias ("nop"))) attribute_hidden; \ |
49 | link_warning (name, msg) |
50 | |
51 | #undef __USE_FORTIFY_LEVEL |
52 | #define __USE_FORTIFY_LEVEL 99 |
53 | |
54 | /* Following here we need an #include for each public header file |
55 | that uses __warndecl. */ |
56 | |
57 | /* Define away to avoid warnings with compilers that do not have these |
58 | builtins. */ |
59 | #define __builtin___memcpy_chk(dest, src, len, bos) NULL |
60 | #define __builtin___memmove_chk(dest, src, len, bos) NULL |
61 | #define __builtin___mempcpy_chk(dest, src, len, bos) NULL |
62 | #define __builtin___memset_chk(dest, ch, len, bos) NULL |
63 | #define __builtin___stpcpy_chk(dest, src, bos) NULL |
64 | #define __builtin___strcat_chk(dest, src, bos) NULL |
65 | #define __builtin___strcpy_chk(dest, src, bos) NULL |
66 | #define __builtin___strncat_chk(dest, src, len, bos) NULL |
67 | #define __builtin___strncpy_chk(dest, src, len, bos) NULL |
68 | #define __builtin_object_size(bos, level) 0 |
69 | |
70 | #include <string.h> |
71 | |