commit 672e4e4b03d8987103020d399b2c05c95a9ea2f8
from: Rafa Garcia Gallego <rafael.garcia.gallego@gmail.com>
via: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Thu Mar 27 06:48:32 2014 UTC

Fix segfault when pressing PrintScr without a selection

commit - 45b808b88ee63f21a188800ba3473a24a3c4b987
commit + 672e4e4b03d8987103020d399b2c05c95a9ea2f8
blob - e20a1e0691fb74019b5aeb75a969e82a9df063cd
blob + d58af7dd1d2646854262d3912da2106058c20f17
--- st.c
+++ st.c
@@ -2263,9 +2263,10 @@ tdumpsel(void)
 {
 	char *ptr;
 
-	ptr = getsel();
-	tprinter(ptr, strlen(ptr));
-	free(ptr);
+	if((ptr = getsel())) {
+		tprinter(ptr, strlen(ptr));
+		free(ptr);
+	}
 }
 
 void