Omit unnecessary null pointer check.

Null pointer is a valid argument for 'free' function; the behaviour
is defined as "do nothing" (starting from ANSI C).

diff --git a/libre2c/libre2c/scan-dyn.c b/libre2c/libre2c/scan-dyn.c
index 3253686965c4b01a51043b16753ec22b4e59ea5d..2f4679d1531af3625cbb69a1248994ff5b5106e9 100644 (file)
--- a/libre2c/libre2c/scan-dyn.c
+++ b/libre2c/libre2c/scan-dyn.c
@@ -62,9 +62,7 @@ scanstate* dynscan_create(size_t bufsiz)
 
 void dynscan_free(scanstate *ss)
 {
-    if(ss->bufptr) {
-        free((void*)ss->bufptr);
-    }
+    free((void*)ss->bufptr);
 
     free(ss);
 }