1 files changed, 7 insertions, 2 deletions
diff --git a/parse.c b/parse.c
index 935c61d..5248293 100644
--- a/parse.c
+++ b/parse.c
@@ -429,9 +429,14 @@ struct symtab **
 slookup(char *symbol, struct inclist *file)
 {
 	register int first = 0;
-	register int last = file->i_ndefs - 1;
+	register int last;
 
-	if (file) while (last >= first)
+	if (file == NULL)
+	    return NULL;
+
+	last = file->i_ndefs - 1;
+	
+	while (last >= first)
 	{
 	    /* Fast inline binary search */
 	    register char *s1;