updated for version 7.4.624
Problem: May leak memory or crash when vim_realloc() returns NULL.
Solution: Handle a NULL value properly. (Mike Williams)
diff --git a/src/memline.c b/src/memline.c
index 7adb2dc..d62697d 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -5057,6 +5057,8 @@
/* May resize here so we don't have to do it in both cases below */
if (buf->b_ml.ml_usedchunks + 1 >= buf->b_ml.ml_numchunks)
{
+ chunksize_T *t_chunksize = buf->b_ml.ml_chunksize;
+
buf->b_ml.ml_numchunks = buf->b_ml.ml_numchunks * 3 / 2;
buf->b_ml.ml_chunksize = (chunksize_T *)
vim_realloc(buf->b_ml.ml_chunksize,
@@ -5064,6 +5066,7 @@
if (buf->b_ml.ml_chunksize == NULL)
{
/* Hmmmm, Give up on offset for this buffer */
+ vim_free(t_chunksize);
buf->b_ml.ml_usedchunks = -1;
return;
}