X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/c53d9d516a871661414ff8110cd3c17c3dc525ec..35e65ea64095d4a2ef305b20aac9d72624af514c:/tag.c

diff --git a/tag.c b/tag.c
index 609ce9c..bc731c9 100644
--- a/tag.c
+++ b/tag.c
@@ -1,4 +1,4 @@
-/* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
 #include "dwm.h"
@@ -76,13 +76,14 @@ settags(Client *c, Client *trans) {
 	unsigned int i, j;
 	regmatch_t tmp;
 	Bool matched = trans != NULL;
-	XClassHint ch;
+	XClassHint ch = { 0 };
 
 	if(matched) {
 		for(i = 0; i < ntags; i++)
 			c->tags[i] = trans->tags[i];
 	}
-	else if(XGetClassHint(dpy, c->win, &ch)) {
+	else {
+		XGetClassHint(dpy, c->win, &ch);
 		snprintf(prop, sizeof prop, "%s:%s:%s",
 				ch.res_class ? ch.res_class : "",
 				ch.res_name ? ch.res_name : "", c->name);
@@ -114,7 +115,8 @@ tag(Arg *arg) {
 		return;
 	for(i = 0; i < ntags; i++)
 		sel->tags[i] = (arg->i == -1) ? True : False;
-	sel->tags[arg->i] = True;
+	if(arg->i >= 0 && arg->i < ntags)
+		sel->tags[arg->i] = True;
 	arrange();
 }