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updated for version 7.4.624

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Problem:    May leak memory or crash when vim_realloc() returns NULL.
Solution:   Handle a NULL value properly. (Mike Williams)
This commit is contained in:
Bram Moolenaar
2015-02-10 18:34:01 +01:00
parent a1d2c58985
commit 9abd5c6507
5 changed files with 47 additions and 0 deletions
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3
src/memline.c
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@@ -5057,6 +5057,8 @@ ml_updatechunk(buf, line, len, updtype)
/* 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 @@ ml_updatechunk(buf, line, len, updtype)
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;
}