diff options
Diffstat (limited to 'src/XGetBMap.c')
| -rw-r--r-- | src/XGetBMap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/XGetBMap.c b/src/XGetBMap.c index 002daba..13bb8c6 100644 --- a/src/XGetBMap.c +++ b/src/XGetBMap.c @@ -92,7 +92,8 @@ XGetDeviceButtonMapping( status = _XReply(dpy, (xReply *) & rep, 0, xFalse); if (status == 1) { - if (rep.length <= (sizeof(mapping) >> 2)) { + if (rep.length <= (sizeof(mapping) >> 2) && + rep.nElts <= (rep.length << 2)) { unsigned long nbytes = rep.length << 2; _XRead(dpy, (char *)mapping, nbytes); |