From: Wolfgang Bumiller <blub@speed.at>
Date: Thu, 20 Dec 2012 19:23:35 +0000 (+0100)
Subject: For loops may have an empty condition - don't try processing a NULL
X-Git-Tag: 0.2~47
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=4f9c7861ec178d5250abb78969ee0efc0f3ac34e;p=xonotic%2Fgmqcc.git

For loops may have an empty condition - don't try processing a NULL
---

diff --git a/parser.c b/parser.c
index 5129962..7bf7a0c 100644
--- a/parser.c
+++ b/parser.c
@@ -2255,9 +2255,11 @@ static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
     if (!parse_statement_or_block(parser, &ontrue))
         goto onerr;
 
-    cond = process_condition(parser, cond, &ifnot);
-    if (!cond)
-        goto onerr;
+    if (cond) {
+        cond = process_condition(parser, cond, &ifnot);
+        if (!cond)
+            goto onerr;
+    }
     aloop = ast_loop_new(ctx, initexpr, cond, ifnot, NULL, false, increment, ontrue);
     *out = (ast_expression*)aloop;