From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Tue, 12 Feb 2019 18:10:43 +0000 (+0100)
Subject: fix crash when XOpenIM returns NULL
X-Git-Url: https://git.danieliu.xyz/?p=dmenu.git;a=commitdiff_plain;h=f5036b90efd9423d805923a0bc73cd54e30e72ab

fix crash when XOpenIM returns NULL

for example when IME variables are set, but the program is not started (yet).
---

diff --git a/dmenu.c b/dmenu.c
index f803149..ae56f4f 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -664,8 +664,17 @@ setup(void)
 	                    CWOverrideRedirect | CWBackPixel | CWEventMask, &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);