From 5cca9adbf27252349729cdb1e1c6ca0a526561b1 Mon Sep 17 00:00:00 2001
From: Uwe Hermann <uwe@hermann-uwe.de>
Date: Sun, 9 May 2010 14:54:16 +0200
Subject: [PATCH] VCD/Gnuplot: Store time/date in output.

---
 output/output_gnuplot.c | 7 +++++--
 output/output_vcd.c     | 6 ++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/output/output_gnuplot.c b/output/output_gnuplot.c
index 45b7a870..a0d5a8fc 100644
--- a/output/output_gnuplot.c
+++ b/output/output_gnuplot.c
@@ -34,7 +34,7 @@ struct context {
 const char *gnuplot_header = "\
 # Sample data in space-separated columns format usable by gnuplot\n\
 #\n\
-# Generated by: %s on %s\n%s\
+# Generated by: %s on %s%s\
 # Timescale: %d %s\n\
 # Column assignment:\n%s\n";
 
@@ -54,6 +54,7 @@ static int init(struct output *o)
 	int b, num_probes;
 	char *c, *samplerate_s;
 	char wbuf[1000], comment[128];
+	time_t t;
 
 	if (!(ctx = calloc(1, sizeof(struct context))))
 		return SIGROK_ERR_MALLOC;
@@ -102,8 +103,10 @@ static int init(struct output *o)
 
 	/* TODO: date: File or signals? Make y/n configurable. */
 	/* TODO: Timescale */
+	t = time(NULL);
 	b = snprintf(ctx->header, MAX_HEADER_LEN, gnuplot_header,
-		     PACKAGE_STRING, "TODO", comment, 1, "ns", (char *)&wbuf);
+		     PACKAGE_STRING, ctime(&t), comment, 1, "ns",
+		     (char *)&wbuf);
 
 	/* TODO: Handle snprintf errors. */
 
diff --git a/output/output_vcd.c b/output/output_vcd.c
index fd569e0e..1acf4a7b 100644
--- a/output/output_vcd.c
+++ b/output/output_vcd.c
@@ -33,7 +33,7 @@ struct context {
 };
 
 const char *vcd_header = "\
-$date\n  %s\n$end\n\
+$date\n  %s$end\n\
 $version\n  %s\n$end\n%s\
 $timescale\n  %i %s\n$end\n\
 $scope module %s $end\n\
@@ -57,6 +57,7 @@ static int init(struct output *o)
 	int i, b, num_probes;
 	char *c, *samplerate_s;
 	char wbuf[1000], comment[128];
+	time_t t;
 
 	if (!(ctx = calloc(1, sizeof(struct context))))
 		return SIGROK_ERR_MALLOC;
@@ -107,7 +108,8 @@ static int init(struct output *o)
 	}
 
 	/* TODO: Date: File or signals? Make y/n configurable. */
-	b = snprintf(ctx->header, MAX_HEADER_LEN, vcd_header, "TODO: Date",
+	t = time(NULL);
+	b = snprintf(ctx->header, MAX_HEADER_LEN, vcd_header, ctime(&t),
 		     PACKAGE_STRING, comment, 1, "ns", PACKAGE, (char *)&wbuf);
 	/* TODO: Handle snprintf() errors. */