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-rw-r--r--libio/bits/stdio2.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/libio/bits/stdio2.h b/libio/bits/stdio2.h
new file mode 100644
index 0000000000..acf07ea91b
--- /dev/null
+++ b/libio/bits/stdio2.h
@@ -0,0 +1,78 @@
+/* Checking macros for stdio functions.
+ Copyright (C) 2004 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. */
+
+#ifndef _STDIO_H
+# error "Never include <bits/stdio2.h> directly; use <stdio.h> instead."
+#endif
+
+extern int __sprintf_chk (char *__restrict __s, int __flag, size_t __slen,
+ __const char *__restrict __format, ...) __THROW;
+extern int __vsprintf_chk (char *__restrict __s, int __flag, size_t __slen,
+ __const char *__restrict __format,
+ _G_va_list __ap) __THROW;
+
+#define sprintf(str, ...) \
+ __builtin___sprintf_chk (str, __USE_FORTIFY_LEVEL - 1, __bos (str), \
+ __VA_ARGS__)
+#define vsprintf(str, fmt, ap) \
+ __builtin___vsprintf_chk (str, __USE_FORTIFY_LEVEL - 1, __bos (str), fmt, ap)
+
+#if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98
+
+extern int __snprintf_chk (char *__restrict __s, size_t __n, int __flag,
+ size_t __slen, __const char *__restrict __format,
+ ...) __THROW;
+extern int __vsnprintf_chk (char *__restrict __s, size_t __n, int __flag,
+ size_t __slen, __const char *__restrict __format,
+ _G_va_list __ap) __THROW;
+
+# define snprintf(str, len, ...) \
+ __builtin___snprintf_chk (str, len, __USE_FORTIFY_LEVEL - 1, __bos (str), \
+ __VA_ARGS__)
+# define vsnprintf(str, len, fmt, ap) \
+ __builtin___vsnprintf_chk (str, len, __USE_FORTIFY_LEVEL - 1, __bos (str), \
+ fmt, ap)
+
+#endif
+
+#if __USE_FORTIFY_LEVEL > 1
+
+extern int __fprintf_chk (FILE *__restrict __stream, int __flag,
+ __const char *__restrict __format, ...);
+extern int __printf_chk (int __flag, __const char *__restrict __format, ...);
+extern int __vfprintf_chk (FILE *__restrict __stream, int __flag,
+ __const char *__restrict __format, _G_va_list __ap);
+extern int __vprintf_chk (int __flag, __const char *__restrict __format,
+ _G_va_list __ap);
+
+# define printf(...) \
+ __printf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
+# define fprintf(stream, ...) \
+ __fprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
+# define vprintf(format, ap) \
+ __vprintf_chk (__USE_FORTIFY_LEVEL - 1, format, ap)
+# define vfprintf(stream, format, ap) \
+ __vfprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, format, ap)
+
+#endif
+
+extern char *__gets_chk (char *__str, size_t);
+#define gets(__str) \
+ ((__bos (__str) == (size_t) -1) \
+ ? (gets) (__str) : __gets_chk (__str, __bos (__str)))