Have set_try_to_free_routine return the previous routine

[git.git] / wrapper.c

diff --git a/wrapper.c b/wrapper.c
index 62edb57338ccd1ae56b86649ec07d88c251576da..8aa9df9b83baddc4a06bbe9e0e5839111edfb29f 100644 (file)
--- a/wrapper.c
+++ b/wrapper.c
@@ -10,9 +10,11 @@ static void try_to_free_builtin(size_t size)
 
 static void (*try_to_free_routine)(size_t size) = try_to_free_builtin;
 
-void set_try_to_free_routine(void (*routine)(size_t))
+try_to_free_t set_try_to_free_routine(try_to_free_t routine)
 {
-       try_to_free_routine = (routine) ? routine : try_to_free_builtin;
+       try_to_free_t old = try_to_free_routine;
+       try_to_free_routine = routine;
+       return old;
 }
 
 char *xstrdup(const char *str)