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| author | Ibrahim Zidan <brahem@aotsw.com> | 2020-04-04 02:48:42 +0200 |
|---|---|---|
| committer | Ibrahim Zidan <brahem@aotsw.com> | 2020-04-05 20:03:27 +0200 |
| commit | 58c4ce73b9fdc1d67a928e37742510bf49bb7dbc (patch) | |
| tree | 8d0b1b1d871a634b3f71f0c082bca00061f99884 /src | |
| parent | f9f72c9d4a8c46587d06ba7c95c07d889be2c803 (diff) | |
| download | hercules-58c4ce73b9fdc1d67a928e37742510bf49bb7dbc.tar.gz hercules-58c4ce73b9fdc1d67a928e37742510bf49bb7dbc.tar.bz2 hercules-58c4ce73b9fdc1d67a928e37742510bf49bb7dbc.tar.xz hercules-58c4ce73b9fdc1d67a928e37742510bf49bb7dbc.zip | |
Fixed a memory violation in quest info caused by accessing -1 index when qi_list vector length is 0
Signed-off-by: Ibrahim Zidan <brahem@aotsw.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/map/map.c | 6 | ||||
| -rw-r--r-- | src/map/script.c | 5 |
2 files changed, 8 insertions, 3 deletions
diff --git a/src/map/map.c b/src/map/map.c index 6ebc50ba3..b2c9c77c3 100644 --- a/src/map/map.c +++ b/src/map/map.c @@ -6047,8 +6047,12 @@ static bool map_add_questinfo(int m, struct npc_data *nd) nullpo_retr(false, nd); Assert_retr(false, m >= 0 && m < map->count); - if (VECTOR_LAST(map->list[m].qi_list) == nd) + int i; + ARR_FIND(0, VECTOR_LENGTH(map->list[m].qi_list), i, VECTOR_INDEX(map->list[m].qi_list, i) == nd); + + if (i < VECTOR_LENGTH(map->list[m].qi_list)) { return false; + } VECTOR_ENSURE(map->list[m].qi_list, 1, 1); VECTOR_PUSH(map->list[m].qi_list, nd); diff --git a/src/map/script.c b/src/map/script.c index b8a7979a7..9a2b0f757 100644 --- a/src/map/script.c +++ b/src/map/script.c @@ -22021,12 +22021,13 @@ static BUILDIN(setquestinfo) return false; } - qi = &VECTOR_LAST(nd->qi_data); - if (qi == NULL) { + if (VECTOR_LENGTH(nd->qi_data) == 0) { ShowWarning("buildin_setquestinfo: no valide questinfo data has been found for this npc.\n"); return false; } + qi = &VECTOR_LAST(nd->qi_data); + switch (type) { case QINFO_JOB: { |