xim: check for corner cases

1 files changed, 6 insertions, 4 deletions

diff --git a/dmenu.c b/dmenu.c
index 6d1cdf0..895542d 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -230,11 +230,13 @@ insert(const char *str, ssize_t n) {
 void
 keypress(XKeyEvent *ev) {
         char buf[32];
-        KeySym ksym;
         int len;
+        KeySym ksym = NoSymbol;
         Status status;
 
-        len = XmbLookupString(xic, ev, buf, sizeof(buf), &ksym, &status);
+        len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
+        if(status == XBufferOverflow)
+                return;
         if(ev->state & ControlMask) {
                 KeySym lower, upper;
 
@@ -549,10 +551,10 @@ setup(void) {
                             DefaultVisual(dc->dpy, screen),
                             CWOverrideRedirect | CWBackPixmap | CWEventMask, &swa);
 
-        /* input methods */
+        /* input methods */
         xim = XOpenIM(dc->dpy, NULL, NULL, NULL);
         xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
-                                        XNClientWindow, win, XNFocusWindow, win, NULL);
+                        XNClientWindow, win, XNFocusWindow, win, NULL);
 
         XMapRaised(dc->dpy, win);
         resizedc(dc, mw, mh);