From 0d998f17c495a12b04904113ff676c7427089883 Mon Sep 17 00:00:00 2001
From: Robin Watts <Robin.Watts@artifex.com>
Date: Thu, 31 Oct 2019 14:17:38 +0000
Subject: Fix gdevescv for operation with Memento.

Blocks returned by system malloc can't be freed by Memento_free.

Also, avoid a problem in CLUSTER builds.
---
 contrib/eplaser/gdevescv.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

(limited to 'contrib')

diff --git a/contrib/eplaser/gdevescv.c b/contrib/eplaser/gdevescv.c
index a13afef0b..7044eb7d2 100644
--- a/contrib/eplaser/gdevescv.c
+++ b/contrib/eplaser/gdevescv.c
@@ -33,9 +33,17 @@
 
  */
 
+#include <string.h>
+
+/* Get this definition in before we read memento.h */
+static void
+unvectored_free(void *x)
+{
+  free(x);
+}
+
 #if ( 6 > GS_VERSION_MAJOR )
 
-#include <string.h>
 #include <sys/utsname.h>	/* for uname(2) */
 #include <ctype.h>		/* for toupper(3) */
 
@@ -983,10 +991,12 @@ escv_beginpage(gx_device_vector * vdev)
 
 #ifdef CLUSTER
         memset(&tm, 0, sizeof(tm));
+        strcpy(str, "1970/01/01 00:00:00");
+        i = strlen(str);
 #else
         tm =  localtime( &t );
-#endif
         i = strftime(str, 30, "%Y/%m/%d %H:%M:%S", tm);
+#endif
         if ( 30 >= i )
           str[i] = '\0';
 
@@ -1022,7 +1032,8 @@ escv_beginpage(gx_device_vector * vdev)
       if (sysname)
         {
           lputs(s, sysname );
-          free (sysname);
+          /* Carefully avoid memento interfering here. */
+          unvectored_free(sysname);
           sysname = NULL;
         }
     }
-- 
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