From dcdec03406adbb18026ede70c287d590b9a6bfc5 Mon Sep 17 00:00:00 2001
From: Peter Soetens <peter@thesourceworks.com>
Date: Wed, 15 Dec 2010 23:28:53 +0100
Subject: [PATCH] os: provide argc/argv api in order to allow lookup of program arguments.

Signed-off-by: Peter Soetens <peter@thesourceworks.com>
---
 rtt/os/startstop.cpp |   13 +++++++++++++
 rtt/os/startstop.h   |   11 +++++++++++
 2 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/rtt/os/startstop.cpp b/rtt/os/startstop.cpp
index 5d6b75b..486f527 100644
--- a/rtt/os/startstop.cpp
+++ b/rtt/os/startstop.cpp
@@ -70,12 +70,18 @@ using namespace RTT;
 using namespace RTT::os;
 static os::StartStopManager* initM;
 
+static int os_argc_arg;
+static char** os_argv_arg;
+
 int __os_init(int argc, char** argv )
 {
 #ifdef OS_HAVE_MANUAL_CRT
     DO_GLOBAL_CTORS();
 #endif
 
+    os_argc_arg = argc;
+    os_argv_arg = argv;
+
     os::MainThread::Instance();
     Logger::log() << Logger::Debug << "MainThread started." << Logger::endl;
 
@@ -102,6 +108,13 @@ int __os_init(int argc, char** argv )
         return ret;
 }
 
+int __os_main_argc(void) {
+    return os_argc_arg;
+}
+char** __os_main_argv(void) {
+    return os_argv_arg;
+}
+
 void __os_printFailure(const char* prog)
 {
 #ifdef OS_HAVE_IOSTREAM
diff --git a/rtt/os/startstop.h b/rtt/os/startstop.h
index 2d6c94f..77eb454 100644
--- a/rtt/os/startstop.h
+++ b/rtt/os/startstop.h
@@ -78,3 +78,14 @@ RTT_API void __os_printException(const char* prog, std::exception& arg);
  */
 RTT_API int __os_checkException(int&, char**);
 
+/**
+ * Call this function to find out how many arguments were
+ * passed to the process' main() function.
+ */
+RTT_API int __os_main_argc(void);
+
+/**
+ * Call this function to get the list of arguments of this
+ * process' main() function.
+ */
+RTT_API char** __os_main_argv(void);
-- 
1.7.0.4