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Diffstat (limited to 'libxcb/src/xcb_conn.c')
-rw-r--r--libxcb/src/xcb_conn.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/libxcb/src/xcb_conn.c b/libxcb/src/xcb_conn.c
index 3a8eafa76..5593201d5 100644
--- a/libxcb/src/xcb_conn.c
+++ b/libxcb/src/xcb_conn.c
@@ -278,6 +278,16 @@ xcb_connection_t *xcb_connect_to_fd(int fd, xcb_auth_info_t *auth_info)
{
xcb_connection_t* c;
+#ifndef _WIN32
+#ifndef USE_POLL
+ if(fd >= FD_SETSIZE) /* would overflow in FD_SET */
+ {
+ close(fd);
+ return (xcb_connection_t *) &error_connection;
+ }
+#endif
+#endif /* !_WIN32*/
+
c = calloc(1, sizeof(xcb_connection_t));
if(!c) {
close(fd);