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-rw-r--r--debug/warning-nop.c53
1 files changed, 53 insertions, 0 deletions
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 <sys/cdefs.h>
+
+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 <string.h>