[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/test/malloc/realloc-can-shrink.c b/ap/build/uClibc/test/malloc/realloc-can-shrink.c
new file mode 100644
index 0000000..33249db
--- /dev/null
+++ b/ap/build/uClibc/test/malloc/realloc-can-shrink.c
@@ -0,0 +1,17 @@
+/* make sure that realloc() can properly shrink buffers */
+
+#include <stdlib.h>
+
+#define LARGE_BUFFER (1 << 20) /* idea is to span a lot of pages */
+
+int main(int argc, char *argv[])
+{
+ int count = 20;
+ char *ptr = NULL;
+ while (count--) {
+ ptr = realloc(ptr, LARGE_BUFFER);
+ ptr = realloc(ptr, 1);
+ }
+ free(ptr);
+ return 0;
+}