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 c42de8e..da2305e 100644 (file)
--- 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;