Add sprintf and vprintf.

cnlohr · Mar 5, 2024 · 8e86d08 · 8e86d08
1 parent 0f8bfde
commit 8e86d08
Showing 1 changed file with 15 additions and 1 deletion.
diff --git a/ch32v003fun/ch32v003fun.c b/ch32v003fun/ch32v003fun.c
@@ -31,7 +31,21 @@ int printf(const char* format, ...)
 	va_end( args );
 	return ret_status;
 }
-
+
+int vprintf(const char* format, va_list args)
+{
+	return mini_vpprintf(__puts_uart, 0, format, args);
+}
+
+int snprintf(char * buffer, unsigned int buffer_len, const char* format, ...)
+{
+	va_list args;
+	va_start( args, format );
+	int ret = mini_vsnprintf( buffer, buffer_len, format, args );
+	va_end( args );
+	return ret;
+}
+
 /* Some stuff from MUSL