From c10954a12ad8abdae6471d6770f91db34c34152e Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Tue, 12 Feb 2019 19:10:43 +0100
Subject: [PATCH] fix crash when XOpenIM returns NULL

for example when IME variables are set, but the program is not started (yet).
---
 dmenu.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/dmenu.c b/dmenu.c
index 08623da..b8399e7 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -857,8 +857,17 @@ setup(void)
 	                    CWOverrideRedirect | CWBackPixel | CWColormap |  CWEventMask | CWBorderPixel, &swa);
 	XSetClassHint(dpy, win, &ch);
 
-	/* open input methods */
-	xim = XOpenIM(dpy, NULL, NULL, NULL);
+
+	/* input methods */
+	if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) {
+		XSetLocaleModifiers("@im=local");
+		if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) {
+			XSetLocaleModifiers("@im=");
+			if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL)
+				die("XOpenIM failed. Could not open input device.\n");
+		}
+	}
+
 	xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
 	                XNClientWindow, win, XNFocusWindow, win, NULL);