set sel.alt in selstart instead of selextend

[st.git] / x.c

diff --git a/x.c b/x.c
index d0b26acf1b3be29aafaf82d3a888aacb4e35e6f9..c343ba2bdaf446aba578a55cb219afb73cf00fda 100644 (file)
--- a/x.c
+++ b/x.c
@@ -245,8 +245,8 @@ clipcopy(const Arg *dummy)
 {
        Atom clipboard;
 
-       if (xsel.clipboard != NULL)
-               free(xsel.clipboard);
+       free(xsel.clipboard);
+       xsel.clipboard = NULL;
 
        if (xsel.primary != NULL) {
                xsel.clipboard = xstrdup(xsel.primary);
@@ -618,6 +618,9 @@ selrequest(XEvent *e)
 void
 setsel(char *str, Time t)
 {
+       if (!str)
+               return;
+
        free(xsel.primary);
        xsel.primary = str;