From f7951df4a17a5c7e831dd20d43049137b5761e85 Mon Sep 17 00:00:00 2001
From: Joel Holdsworth <joel@airwebreathe.org.uk>
Date: Sat, 13 Oct 2012 00:59:37 +0100
Subject: [PATCH] Added --version option

---
 CMakeLists.txt |  6 +++++-
 config.h.in    |  3 +++
 main.cpp       | 21 +++++++++++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c6459353..b6252fe9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,6 +58,8 @@ find_package(Boost 1.46 COMPONENTS unit_test_framework REQUIRED)
 #= Config Header
 #-------------------------------------------------------------------------------
 
+set(PV_TITLE PulseView)
+
 set(PV_VERSION_MAJOR 0)
 set(PV_VERSION_MINOR 1)
 set(PV_VERSION_MICRO 0)
@@ -186,7 +188,9 @@ install(PROGRAMS pulseview DESTINATION bin/)
 
 if(ENABLE_TESTS)
 
-	add_definitions(-DBOOST_TEST_DYN_LINK)
+	add_definitions(pulseview-tests
+		-DBOOST_TEST_DYN_LINK
+	)
 
 	add_executable(pulseview-test
 		${pulseview_TEST_SOURCES}
diff --git a/config.h.in b/config.h.in
index ea9b0d4a..6caa2303 100644
--- a/config.h.in
+++ b/config.h.in
@@ -20,6 +20,9 @@
 #ifndef _PULSEVIEW_CONFIG_H
 #define _PULSEVIEW_CONFIG_H
 
+/* Application Details */
+#define PV_TITLE "@PV_TITLE@"
+
 /* Pulseview version information */
 #define PV_VERSION_MAJOR @PV_VERSION_MAJOR@
 #define PV_VERSION_MINOR @PV_VERSION_MINOR@
diff --git a/main.cpp b/main.cpp
index febe729c..a94f64c6 100644
--- a/main.cpp
+++ b/main.cpp
@@ -24,6 +24,8 @@ extern "C" {
 #include <libsigrok/libsigrok.h>
 }
 
+#include <getopt.h>
+
 #include <QtGui/QApplication>
 #include <QDebug>
 
@@ -40,6 +42,25 @@ int main(int argc, char *argv[])
 	QApplication::setApplicationName("PulseView");
 	QApplication::setOrganizationDomain("http://www.sigrok.org");
 
+	// Parse arguments
+	while (1) {
+		static const struct option long_options[] = {
+			{"version", no_argument, 0,  'V'},
+			{0, 0, 0, 0}
+		};
+
+		const char c = getopt_long(argc, argv, "V", long_options, NULL);
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case 'V':
+			// Print version info
+			fprintf(stderr, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
+			return 0;
+		}
+	}
+
 	// Initialise libsigrok
 	if (sr_init() != SR_OK) {
 		qDebug() << "ERROR: libsigrok init failed.";
-- 
2.30.2