From: Ivan Maidanski <ivmai@mail.ru>
Date: Mon, 15 Feb 2016 21:32:01 +0000 (+0300)
Subject: Fix null-pointer dereferences on out-of-memory in cord/de
X-Git-Tag: gc7_4_4~34
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=141bb67b6f64d72a67c4d3341480778c2d4ae49d;p=gc

Fix null-pointer dereferences on out-of-memory in cord/de

* cord/tests/de.c (add_map, add_hist): Check GC_NEW() result for null.
---

diff --git a/cord/tests/de.c b/cord/tests/de.c
index 1587980e..ba8235ad 100644
--- a/cord/tests/de.c
+++ b/cord/tests/de.c
@@ -141,6 +141,7 @@ void add_map(int line, size_t pos)
 {
     line_map new_map = GC_NEW(struct LineMapRep);
 
+    if (NULL == new_map) OUT_OF_MEMORY;
     if (current_map_size >= MAX_MAP_SIZE) prune_map();
     new_map -> line = line;
     new_map -> pos = pos;
@@ -186,6 +187,7 @@ void add_hist(CORD s)
 {
     history new_file = GC_NEW(struct HistoryRep);
 
+    if (NULL == new_file) OUT_OF_MEMORY;
     new_file -> file_contents = current = s;
     current_len = CORD_len(s);
     new_file -> previous = now;