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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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22
src/netbeans.c
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@@ -1080,10 +1080,18 @@ nb_get_buf(int bufno)
{
if (bufno >= buf_list_size) /* grow list */
{
nbbuf_T *t_buf_list = buf_list;
incr = bufno - buf_list_size + 90;
buf_list_size += incr;
buf_list = (nbbuf_T *)vim_realloc(
buf_list, buf_list_size * sizeof(nbbuf_T));
if (buf_list == NULL)
{
vim_free(t_buf_list);
buf_list_size = 0;
return NULL;
}
vim_memset(buf_list + buf_list_size - incr, 0,
incr * sizeof(nbbuf_T));
}
@@ -3678,11 +3686,18 @@ addsigntype(
{
int incr;
int oldlen = globalsignmaplen;
char **t_globalsignmap = globalsignmap;
globalsignmaplen *= 2;
incr = globalsignmaplen - oldlen;
globalsignmap = (char **)vim_realloc(globalsignmap,
globalsignmaplen * sizeof(char *));
if (globalsignmap == NULL)
{
vim_free(t_globalsignmap);
globalsignmaplen = 0;
return;
}
vim_memset(globalsignmap + oldlen, 0, incr * sizeof(char *));
}
}
@@ -3708,11 +3723,18 @@ addsigntype(
{
int incr;
int oldlen = buf->signmaplen;
int *t_signmap = buf->signmap;
buf->signmaplen *= 2;
incr = buf->signmaplen - oldlen;
buf->signmap = (int *)vim_realloc(buf->signmap,
buf->signmaplen * sizeof(int));
if (buf->signmap == NULL)
{
vim_free(t_signmap);
buf->signmaplen = 0;
return;
}
vim_memset(buf->signmap + oldlen, 0, incr * sizeof(int));
}
}