fix a possible free of a uninitialize variable in paste() - dmenu - dynamic menu
 (HTM) git clone git://git.suckless.org/dmenu
 (DIR) Log
 (DIR) Files
 (DIR) Refs
 (DIR) README
 (DIR) LICENSE
       ---
 (DIR) commit 1cabeda5505dcc35d4d2ca2a09151a7c449fb401
 (DIR) parent 41379f7c39e6aa0a17d7807b22b49ea148f5b0fa
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Fri,  3 Nov 2017 15:31:37 +0100
       
       fix a possible free of a uninitialize variable in paste()
       
       Diffstat:
         M dmenu.c                             |      10 ++++++----
       
       1 file changed, 6 insertions(+), 4 deletions(-)
       ---
 (DIR) diff --git a/dmenu.c b/dmenu.c
       @@ -467,10 +467,12 @@ paste(void)
                Atom da;
        
                /* we have been given the current selection, now insert it into input */
       -        XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
       -                           utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
       -        insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
       -        XFree(p);
       +        if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
       +                           utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
       +            == Success && p) {
       +                insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
       +                XFree(p);
       +        }
                drawmenu();
        }