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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>