From f34a09b5407f9a0e43bd5e448acbc3b4d11c0923 Mon Sep 17 00:00:00 2001
From: h_vogt <h_vogt>
Date: Sat, 2 Jan 2010 15:24:03 +0000
Subject: [PATCH] gnuplot update

---
 ChangeLog                       | 6 ++++++
 src/frontend/plotting/gnuplot.c | 7 +++++--
 src/winmain.c                   | 4 ++--
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 1b9c19812..1f981381c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-01-01 Holger Vogt
+ * winmain.c: internal system() no longer needed, its available
+   in mingw and MS Visual Studio.
+   gnuplot.c: small update, call to gnuplot tested up to ver. 4.2.6,
+   does not work for Windows and gnuplot 4.4.
+
 2010-01-01 Holger Vogt
  * spinit.in: Small update
    gnuplot.c: calling gnuplot via xterm
diff --git a/src/frontend/plotting/gnuplot.c b/src/frontend/plotting/gnuplot.c
index a494f8358..0234c1ae2 100644
--- a/src/frontend/plotting/gnuplot.c
+++ b/src/frontend/plotting/gnuplot.c
@@ -209,10 +209,13 @@ ft_gnuplot(double *xlims, double *ylims, char *filename, char *title, char *xlab
     (void) fclose( file_data );
 
 #if defined(__MINGW32__) || defined(_MSC_VER)
-    (void) sprintf( buf, "start /B wgnuplot %s -" ,  filename_plt );
+    /* for external fcn system() */
+//    (void) sprintf( buf, "start /B wgnuplot %s -" ,  filename_plt );
+	(void) sprintf( buf, "start /B wgnuplot -persist %s " ,  filename_plt );	
     _flushall();
 #else
-    (void) sprintf( buf, "xterm -e gnuplot %s - &", filename_plt );
+	/* for external fcn system() from LINUX environment */
+	(void) sprintf( buf, "xterm -e gnuplot %s - &", filename_plt );
 #endif
     err = system( buf );
 
diff --git a/src/winmain.c b/src/winmain.c
index e33e0a4c8..0fa236be2 100644
--- a/src/winmain.c
+++ b/src/winmain.c
@@ -1338,7 +1338,7 @@ size_t _memavl(void)
     sum = ms.dwAvailPhys + ms.dwAvailPageFile;
     return (size_t) sum;
 }
-*/
+
 // ---------------------<Aufruf eines anderen Programms>-----------------------
 #ifndef _MSC_VER
 int system( const char * command)
@@ -1386,7 +1386,7 @@ int system( const char * command)
     return 0;
 } // system Windows95
 #endif
-
+*/
 /* Strip leading spaces, return a copy of s */
 char* rlead(char *s)
 {