applied cls' patch, thanks Connor!

1 files changed, 13 insertions, 11 deletions

diff --git a/dmenu.c b/dmenu.c
index aef8ae5..5f16894 100644
--- 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;