Mercurial > MadButterfly
changeset 864:6eaeec6806f2
Fix the issue of potential to free a wild pointer
| author | Thinker K.F. Li <thinker@codemud.net> |
|---|---|
| date | Wed, 22 Sep 2010 21:14:06 +0800 |
| parents | e6c107b2e271 |
| children | 48df0f97f09e |
| files | src/redraw_man.c |
| diffstat | 1 files changed, 3 insertions(+), 2 deletions(-) [+] |
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--- a/src/redraw_man.c Wed Sep 22 20:47:41 2010 +0800 +++ b/src/redraw_man.c Wed Sep 22 21:14:06 2010 +0800 @@ -1362,7 +1362,7 @@ */ static int compute_area(coord_t *coord) { - static co_aix (*poses)[2]; + static co_aix (*poses)[2] = NULL; static int max_poses = 0; geo_t *geo; int cnt, pos_cnt; @@ -1373,7 +1373,8 @@ } if(max_poses < (cnt * 2)) { - free(poses); + if(poses) + free(poses); max_poses = cnt * 2; poses = (co_aix (*)[2])malloc(sizeof(co_aix [2]) * max_poses); if(poses == NULL)