Add missing snprintf() to libc/printf.c (trivial).

This is also taken from the HelenOS project.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3210 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

payloads/libpayload/libc/printf.c

@@ -694,6 +694,18 @@ out:
 	return counter;
 }
 
+int snprintf(char *str, size_t size, const char *fmt, ...)
+{
+	int ret;
+	va_list args;
+
+	va_start(args, fmt);
+	ret = vsnprintf(str, size, fmt, args);
+	va_end(args);
+
+	return ret;
+}
+
 int sprintf(char *str, const char *fmt, ...)
 {
 	int ret;