applied cls' patch, thanks Connor!

diff --git a/dmenu.c b/dmenu.c
index aef8ae5..5f16894 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -372,7 +372,7 @@ initfont(const char *fontstr) {
 
 void
 kpress(XKeyEvent * e) {
-       char buf[32];
+       char buf[sizeof text];
        int i, num;
        unsigned int len;
        KeySym ksym;
@@ -457,25 +457,23 @@ kpress(XKeyEvent * e) {
                                char *c;
                                if(!(fp = (FILE*)popen("sselp", "r")))
                                        eprint("dmenu: Could not popen sselp\n");
-                               c = fgets(text + len, sizeof(text) - len, fp);
+                               c = fgets(buf, sizeof buf, fp);
                                pclose(fp);
                                if(c == NULL)
                                        return;
                        }
-                       len = strlen(text);
-                       if(len && text[len-1] == '\n')
-                               text[--len] = '\0';
-                       match(text);
-                       drawmenu();
-                       return;
+                       num = strlen(buf);
+                       if(num && buf[num-1] == '\n')
+                               buf[--num] = '\0';
+                       break;
                }
        }
        switch(ksym) {
        default:
+               num = MIN(num, sizeof text - cursor);
                if(num && !iscntrl((int) buf[0])) {
-                       buf[num] = 0;
-                       memmove(text + cursor + num, text + cursor, sizeof text - cursor);
-                       strncpy(text + cursor, buf, sizeof text - cursor);
+                       memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
+                       memmove(text + cursor, buf, num);
                        cursor+=num;
                        match(text);
                }
@@ -487,6 +485,10 @@ kpress(XKeyEvent * e) {
                        match(text);
                }
                break;
+       case XK_Delete:
+               memmove(text + cursor, text + cursor + 1, sizeof text - cursor);
+               match(text);
+               break;
        case XK_End:
                if(!item)
                        return;