1 files changed, 87 insertions, 0 deletions
diff --git a/include/ssp/stdio.h b/include/ssp/stdio.h
new file mode 100644
index 000000000000..4bca1de7d4f9
--- /dev/null
+++ b/include/ssp/stdio.h
@@ -0,0 +1,87 @@
+/*	$NetBSD: stdio.h,v 1.5 2011/07/17 20:54:34 joerg Exp $	*/
+
+/*-
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2006 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _SSP_STDIO_H_
+#define _SSP_STDIO_H_
+
+#include <ssp/ssp.h>
+
+__BEGIN_DECLS
+int __sprintf_chk(char *__restrict, int, size_t, const char *__restrict, ...)
+    __printflike(4, 5);
+int __vsprintf_chk(char *__restrict, int, size_t, const char *__restrict,
+    __va_list)
+    __printflike(4, 0);
+int __snprintf_chk(char *__restrict, size_t, int, size_t,
+    const char *__restrict, ...)
+    __printflike(5, 6);
+int __vsnprintf_chk(char *__restrict, size_t, int, size_t,
+     const char *__restrict, __va_list)
+    __printflike(5, 0);
+char *__fgets_chk(char *, int, size_t, FILE *);
+__END_DECLS
+
+#if __SSP_FORTIFY_LEVEL > 0
+
+#define sprintf(str, ...) __extension__ ({	\
+    char *_ssp_str = (str);	\
+    __builtin___sprintf_chk(_ssp_str, 0, __ssp_bos(_ssp_str),		\
+        __VA_ARGS__); \
+})
+
+#define vsprintf(str, fmt, ap) __extension__ ({	\
+    char *_ssp_str = (str);		\
+    __builtin___vsprintf_chk(_ssp_str, 0, __ssp_bos(_ssp_str), fmt,	\
+        ap);				\
+})
+
+#define snprintf(str, len, ...) __extension__ ({	\
+    char *_ssp_str = (str);		\
+    __builtin___snprintf_chk(_ssp_str, len, 0, __ssp_bos(_ssp_str),	\
+        __VA_ARGS__);			\
+})
+
+#define vsnprintf(str, len, fmt, ap) __extension__ ({	\
+    char *_ssp_str = (str);		\
+    __builtin___vsnprintf_chk(_ssp_str, len, 0, __ssp_bos(_ssp_str),	\
+        fmt, ap);			\
+})
+
+#define fgets(str, len, fp) __extension__ ({		\
+    char *_ssp_str = (str);		\
+    __fgets_chk(_ssp_str, len, __ssp_bos(_ssp_str), fp);	\
+})
+
+#endif /* __SSP_FORTIFY_LEVEL > 0 */
+
+#endif /* _SSP_STDIO_H_ */