diff options
Diffstat (limited to 'nx-X11/lib/src/QuExt.c')
| -rw-r--r-- | nx-X11/lib/src/QuExt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/nx-X11/lib/src/QuExt.c b/nx-X11/lib/src/QuExt.c index 4e230e776..68c174662 100644 --- a/nx-X11/lib/src/QuExt.c +++ b/nx-X11/lib/src/QuExt.c @@ -27,6 +27,8 @@ in this Software without prior written authorization from The Open Group. #ifdef HAVE_CONFIG_H #include <config.h> #endif +#include <limits.h> +#include <stdbool.h> #include "Xlibint.h" Bool @@ -40,9 +42,12 @@ XQueryExtension( xQueryExtensionReply rep; register xQueryExtensionReq *req; + if (name != NULL && strlen(name) >= USHRT_MAX) + return false; + LockDisplay(dpy); GetReq(QueryExtension, req); - req->nbytes = name ? strlen(name) : 0; + req->nbytes = name ? (CARD16) strlen(name) : 0; req->length += (req->nbytes+(unsigned)3)>>2; _XSend(dpy, name, (long)req->nbytes); (void) _XReply (dpy, (xReply *)&rep, 0, xTrue); |