Imported gcc-4.4.3

[msp430-gcc.git] / libssp / ssp / stdio.h

diff --git a/libssp/ssp/stdio.h b/libssp/ssp/stdio.h
new file mode 100644 (file)
index 0000000..283ca62
--- /dev/null
+++ b/libssp/ssp/stdio.h
@@ -0,0 +1,100 @@
+/* Checking macros for stdio 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_STDIO_H
+#define _SSP_STDIO_H 1
+
+#include <ssp.h>
+#include_next <stdio.h>
+
+#if __SSP_FORTIFY_LEVEL > 0
+
+#include <stdarg.h>
+
+#undef sprintf
+#undef vsprintf
+#undef snprintf
+#undef vsnprintf
+#undef gets
+#undef fgets
+
+extern int __sprintf_chk (char *__restrict__ __s, int __flag, size_t __slen,
+                         __const char *__restrict__ __format, ...);
+extern int __vsprintf_chk (char *__restrict__ __s, int __flag, size_t __slen,
+                          __const char *__restrict__ __format,
+                          va_list __ap);
+
+#define sprintf(str, ...) \
+  __builtin___sprintf_chk (str, 0, __ssp_bos (str), \
+                          __VA_ARGS__)
+#define vsprintf(str, fmt, ap) \
+  __builtin___vsprintf_chk (str, 0, __ssp_bos (str), fmt, ap)
+
+extern int __snprintf_chk (char *__restrict__ __s, size_t __n, int __flag,
+                          size_t __slen, __const char *__restrict__ __format,
+                          ...);
+extern int __vsnprintf_chk (char *__restrict__ __s, size_t __n, int __flag,
+                           size_t __slen, __const char *__restrict__ __format,
+                           va_list __ap);
+
+#define snprintf(str, len, ...) \
+  __builtin___snprintf_chk (str, len, 0, __ssp_bos (str), __VA_ARGS__)
+#define vsnprintf(str, len, fmt, ap) \
+  __builtin___vsnprintf_chk (str, len, 0, __ssp_bos (str), fmt, ap)
+
+extern char *__gets_chk (char *__str, size_t);
+extern char *__SSP_REDIRECT (__gets_alias, (char *__str), gets);
+
+extern inline __attribute__((__always_inline__)) char *
+gets (char *__str)
+{
+  if (__ssp_bos (__str) != (size_t) -1)
+    return __gets_chk (__str, __ssp_bos (__str));
+  return __gets_alias (__str);
+}
+
+extern char *__SSP_REDIRECT (__fgets_alias,
+                            (char *__restrict__ __s, int __n,
+                             FILE *__restrict__ __stream), fgets);
+
+extern inline __attribute__((__always_inline__)) char *
+fgets (char *__restrict__ __s, int __n, FILE *__restrict__ __stream)
+{
+  if (__ssp_bos (__s) != (size_t) -1 && (size_t) __n > __ssp_bos (__s))
+    __chk_fail ();
+  return __fgets_alias (__s, __n, __stream);
+}
+
+#endif /* __SSP_FORTIFY_LEVEL > 0 */
+#endif /* _SSP_STDIO_H */