Add a patch to avoid gnuplot always segfaulting on a NULL pointer

de-reference on the first command.
Bump pkgrevision.

1 files changed, 16 insertions, 0 deletions

diff --git a/graphics/gnuplot/patches/patch-src_command.c b/graphics/gnuplot/patches/patch-src_command.c
new file mode 100644
index 00000000000..2d60f30c449
--- /dev/null
+++ b/graphics/gnuplot/patches/patch-src_command.c
@@ -0,0 +1,16 @@
+$NetBSD: patch-src_command.c,v 1.1 2012/10/24 13:32:54 he Exp $
+
+Avoid de-referencing a NULL pointer on the first command executed(!)
+
+--- src/command.c.orig	2012-02-27 21:58:36.000000000 +0000
++++ src/command.c
+@@ -2689,7 +2689,8 @@ rlgets(char *s, size_t n, const char *pr
+ 	    /* deleting history entries does not work, so suppress adjacent 
+ 	    duplicates only */
+ 	    while (previous_history());
+-	    if (strcmp(current_history()->line, line) != 0)
++	    if (current_history() != NULL &&
++		strcmp(current_history()->line, line) != 0)
+ 		add_history(line);
+ #  else /* builtin readline */
+ 	    add_history(line);