tiny-printf: Support sprintf()

Add a simple version of this function for SPL. It does not check the buffer
size as this would add to the code size.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefan Roese <sr@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Cc: lesne@alse-fr.com
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Sylvain Lesne <lesne@alse-fr.com>
Tested-by: Sylvain Lesne <lesne@alse-fr.com>

diff --git a/lib/tiny-printf.c b/lib/tiny-printf.c
index 4b70263df7d73992c2a858205f45370d31f7056a..5ea2555280b1561da6e072d6d8092b9e2b2325f3 100644 (file)
--- a/lib/tiny-printf.c
+++ b/lib/tiny-printf.c
@@ -147,8 +147,7 @@ static void putc_outstr(char ch)
        *outstr++ = ch;
 }
 
-/* Note that size is ignored */
-int snprintf(char *buf, size_t size, const char *fmt, ...)
+int sprintf(char *buf, const char *fmt, ...)
 {
        va_list va;
        int ret;
@@ -161,3 +160,16 @@ int snprintf(char *buf, size_t size, const char *fmt, ...)
 
        return ret;
 }
+
+/* Note that size is ignored */
+int snprintf(char *buf, size_t size, const char *fmt, ...)
+{
+       va_list va;
+       int ret;
+
+       va_start(va, fmt);
+       ret = sprintf(buf, fmt, va);
+       va_end(va);
+
+       return ret;
+}