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diff --git a/libssp/ssp/string.h b/libssp/ssp/string.h
new file mode 100644
index 00000000..9e4754c6
--- /dev/null
+++ b/libssp/ssp/string.h
@@ -0,0 +1,167 @@
+/* Checking macros for string functions.
+   Copyright (C) 2004, 2005, 2009 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+GCC 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 General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+
+#ifndef _SSP_STRING_H
+#define _SSP_STRING_H 1
+
+#include <ssp.h>
+#include_next <string.h>
+
+#if __SSP_FORTIFY_LEVEL > 0
+
+#undef memcpy
+#undef memmove
+#undef memset
+#undef strcat
+#undef strcpy
+#undef strncat
+#undef strncpy
+#undef mempcpy
+#undef stpcpy
+#undef bcopy
+#undef bzero
+
+#define memcpy(dest, src, len) \
+  ((__ssp_bos0 (dest) != (size_t) -1)					\
+   ? __builtin___memcpy_chk (dest, src, len, __ssp_bos0 (dest))		\
+   : __memcpy_ichk (dest, src, len))
+static inline __attribute__((__always_inline__)) void *
+__memcpy_ichk (void *__restrict__ __dest, const void *__restrict__ __src,
+	       size_t __len)
+{
+  return __builtin___memcpy_chk (__dest, __src, __len, __ssp_bos0 (__dest));
+}
+
+
+#define memmove(dest, src, len) \
+  ((__ssp_bos0 (dest) != (size_t) -1)					\
+   ? __builtin___memmove_chk (dest, src, len, __ssp_bos0 (dest))		\
+   : __memmove_ichk (dest, src, len))
+static inline __attribute__((__always_inline__)) void *
+__memmove_ichk (void *__dest, const void *__src, size_t __len)
+{
+  return __builtin___memmove_chk (__dest, __src, __len, __ssp_bos0 (__dest));
+}
+
+
+#define mempcpy(dest, src, len) \
+  ((__ssp_bos0 (dest) != (size_t) -1)					\
+   ? __builtin___mempcpy_chk (dest, src, len, __ssp_bos0 (dest))	\
+   : __mempcpy_ichk (dest, src, len))
+static inline __attribute__((__always_inline__)) void *
+__mempcpy_ichk (void *__restrict__ __dest, const void *__restrict__ __src,
+		size_t __len)
+{
+  return __builtin___mempcpy_chk (__dest, __src, __len, __ssp_bos0 (__dest));
+}
+
+
+#define memset(dest, ch, len) \
+  ((__ssp_bos0 (dest) != (size_t) -1)					\
+   ? __builtin___memset_chk (dest, ch, len, __ssp_bos0 (dest))		\
+   : __memset_ichk (dest, ch, len))
+static inline __attribute__((__always_inline__)) void *
+__memset_ichk (void *__dest, int __ch, size_t __len)
+{
+  return __builtin___memset_chk (__dest, __ch, __len, __ssp_bos0 (__dest));
+}
+
+#define bcopy(src, dest, len) ((void) \
+ ((__ssp_bos0 (dest) != (size_t) -1)					\
+   ? __builtin___memmove_chk (dest, src, len, __ssp_bos0 (dest))	\
+   : __memmove_ichk (dest, src, len)))
+#define bzero(dest, len) ((void) \
+  ((__ssp_bos0 (dest) != (size_t) -1)					\
+   ? __builtin___memset_chk (dest, '\0', len, __ssp_bos0 (dest))	\
+   : __memset_ichk (dest, '\0', len)))
+
+
+#define strcpy(dest, src) \
+  ((__ssp_bos (dest) != (size_t) -1)					\
+   ? __builtin___strcpy_chk (dest, src, __ssp_bos (dest))		\
+   : __strcpy_ichk (dest, src))
+static inline __attribute__((__always_inline__)) char *
+__strcpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src)
+{
+  return __builtin___strcpy_chk (__dest, __src, __ssp_bos (__dest));
+}
+
+
+#define stpcpy(dest, src) \
+  ((__ssp_bos (dest) != (size_t) -1)					\
+   ? __builtin___stpcpy_chk (dest, src, __ssp_bos (dest))		\
+   : __stpcpy_ichk (dest, src))
+static inline __attribute__((__always_inline__)) char *
+__stpcpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src)
+{
+  return __builtin___stpcpy_chk (__dest, __src, __ssp_bos (__dest));
+}
+
+
+#define strncpy(dest, src, len) \
+  ((__ssp_bos (dest) != (size_t) -1)					\
+   ? __builtin___strncpy_chk (dest, src, len, __ssp_bos (dest))		\
+   : __strncpy_ichk (dest, src, len))
+static inline __attribute__((__always_inline__)) char *
+__strncpy_ichk (char *__restrict__ __dest, const char *__restrict__ __src,
+		size_t __len)
+{
+  return __builtin___strncpy_chk (__dest, __src, __len, __ssp_bos (__dest));
+}
+
+
+#define strcat(dest, src) \
+  ((__ssp_bos (dest) != (size_t) -1)					\
+   ? __builtin___strcat_chk (dest, src, __ssp_bos (dest))		\
+   : __strcat_ichk (dest, src))
+static inline __attribute__((__always_inline__)) char *
+__strcat_ichk (char *__restrict__ __dest, const char *__restrict__ __src)
+{
+  return __builtin___strcat_chk (__dest, __src, __ssp_bos (__dest));
+}
+
+
+#define strncat(dest, src, len) \
+  ((__ssp_bos (dest) != (size_t) -1)					\
+   ? __builtin___strncat_chk (dest, src, len, __ssp_bos (dest))		\
+   : __strncat_ichk (dest, src, len))
+static inline __attribute__((__always_inline__)) char *
+__strncat_ichk (char *__restrict__ __dest, const char *__restrict__ __src,
+		size_t __len)
+{
+  return __builtin___strncat_chk (__dest, __src, __len, __ssp_bos (__dest));
+}
+
+#endif /* __SSP_FORTIFY_LEVEL > 0 */
+#endif /* _SSP_STRING_H */