[PATCH 07/12] add snprintf function

[Sascha Hauer]

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 include/stdio.h |    1 +
 lib/vsprintf.c  |   12 ++++++++++++
 2 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/include/stdio.h b/include/stdio.h
index c23dfc6..cd1a913 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -31,6 +31,7 @@ static inline void putchar(char c) {
 int	printf(const char *fmt, ...);
 int	vprintf(const char *fmt, va_list args);
 int	sprintf(char * buf, const char *fmt, ...);
+int	snprintf(char *buf, size_t size, const char *fmt, ...);
 int	vsprintf(char *buf, const char *fmt, va_list args);
 char	*asprintf(const char *fmt, ...);
 char	*vasprintf(const char *fmt, va_list ap);
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 6008305..26fcaa7 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -547,6 +547,18 @@ int sprintf(char * buf, const char *fmt, ...)
 }
 EXPORT_SYMBOL(sprintf);
 
+int snprintf(char * buf, size_t size, const char *fmt, ...)
+{
+	va_list args;
+	int i;
+
+	va_start(args, fmt);
+	i = vsnprintf(buf, size, fmt, args);
+	va_end(args);
+	return i;
+}
+EXPORT_SYMBOL(sprintf);
+
 /* Simplified asprintf. */
 char *vasprintf(const char *fmt, va_list ap)
 {
-- 
1.7.0