[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/libbb/str_tolower.c b/ap/app/busybox/src/libbb/str_tolower.c
new file mode 100644
index 0000000..c2d5637
--- /dev/null
+++ b/ap/app/busybox/src/libbb/str_tolower.c
@@ -0,0 +1,14 @@
+/* vi set: sw=4 ts=4: */
+/* Convert string str to lowercase, return str.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+#include "libbb.h"
+
+char* FAST_FUNC str_tolower(char *str)
+{
+ char *c;
+ for (c = str; *c; ++c)
+ *c = tolower(*c);
+ return str;
+}