From 8d5dc71d64e91d0ed85730e3c2a5b9ea494dc25c Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Tue, 15 May 2012 11:11:35 -0700
Subject: uhd: used shared get_tmp_path for logging as well

Moved some of the log.cpp tmp paths smarts into paths as well
---
 host/lib/utils/log.cpp   | 47 +++--------------------------------------------
 host/lib/utils/paths.cpp | 30 ++++++++++++++++++++++++++++--
 2 files changed, 31 insertions(+), 46 deletions(-)

(limited to 'host/lib/utils')

diff --git a/host/lib/utils/log.cpp b/host/lib/utils/log.cpp
index 31d11796e..d6d1786c7 100644
--- a/host/lib/utils/log.cpp
+++ b/host/lib/utils/log.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2011 Ettus Research LLC
+// Copyright 2012 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -18,6 +18,7 @@
 #include <uhd/utils/log.hpp>
 #include <uhd/utils/msg.hpp>
 #include <uhd/utils/static.hpp>
+#include <uhd/utils/paths.hpp>
 #include <boost/filesystem.hpp>
 #include <boost/format.hpp>
 #include <boost/thread/mutex.hpp>
@@ -35,12 +36,6 @@ namespace boost{ namespace interprocess{
 #else
 #include <boost/interprocess/sync/file_lock.hpp>
 #endif
-#ifdef BOOST_MSVC
-#define USE_GET_TEMP_PATH
-#include <Windows.h> //GetTempPath
-#endif
-#include <stdio.h> //P_tmpdir
-#include <cstdlib> //getenv
 #include <fstream>
 #include <sstream>
 #include <cctype>
@@ -49,42 +44,6 @@ namespace fs = boost::filesystem;
 namespace pt = boost::posix_time;
 namespace ip = boost::interprocess;
 
-/***********************************************************************
- * Helper function to get the system's temporary path
- **********************************************************************/
-static fs::path get_temp_path(void){
-    const char *tmp_path = NULL;
-
-    //try the official uhd temp path environment variable
-    tmp_path = std::getenv("UHD_TEMP_PATH");
-    if (tmp_path != NULL) return tmp_path;
-
-    //try the windows function if available
-    #ifdef USE_GET_TEMP_PATH
-    char lpBuffer[2048];
-    if (GetTempPath(sizeof(lpBuffer), lpBuffer)) return lpBuffer;
-    #endif
-
-    //try windows environment variables
-    tmp_path = std::getenv("TMP");
-    if (tmp_path != NULL) return tmp_path;
-
-    tmp_path = std::getenv("TEMP");
-    if (tmp_path != NULL) return tmp_path;
-
-    //try the stdio define if available
-    #ifdef P_tmpdir
-        return P_tmpdir;
-    #endif
-
-    //try unix environment variables
-    tmp_path = std::getenv("TMPDIR");
-    if (tmp_path != NULL) return tmp_path;
-
-    //give up and use the unix default
-    return "/tmp";
-}
-
 /***********************************************************************
  * Global resources for the logger
  **********************************************************************/
@@ -119,7 +78,7 @@ public:
     void log_to_file(const std::string &log_msg){
         boost::mutex::scoped_lock lock(_mutex);
         if (_file_lock == NULL){
-            const std::string log_path = (get_temp_path() / "uhd.log").string();
+            const std::string log_path = (fs::path(uhd::get_tmp_path()) / "uhd.log").string();
             _file_stream.open(log_path.c_str(), std::fstream::out | std::fstream::app);
             _file_lock = new ip::file_lock(log_path.c_str());
         }
diff --git a/host/lib/utils/paths.cpp b/host/lib/utils/paths.cpp
index 4fc877d5d..43094521a 100644
--- a/host/lib/utils/paths.cpp
+++ b/host/lib/utils/paths.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2010-2011 Ettus Research LLC
+// Copyright 2010-2012 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -26,6 +26,10 @@
 #include <vector>
 #include <cstdlib> //getenv
 #include <cstdio>  //P_tmpdir
+#ifdef BOOST_MSVC
+#define USE_GET_TEMP_PATH
+#include <windows.h> //GetTempPath
+#endif
 
 namespace fs = boost::filesystem;
 
@@ -87,13 +91,35 @@ std::vector<fs::path> get_module_paths(void){
  * Implement the functions in paths.hpp
  **********************************************************************/
 std::string uhd::get_tmp_path(void){
-    const char *tmp_path = std::getenv("TMP");
+    const char *tmp_path = NULL;
+
+    //try the official uhd temp path environment variable
+    tmp_path = std::getenv("UHD_TEMP_PATH");
+    if (tmp_path != NULL) return tmp_path;
+
+    //try the windows function if available
+    #ifdef USE_GET_TEMP_PATH
+    char lpBuffer[2048];
+    if (GetTempPath(sizeof(lpBuffer), lpBuffer)) return lpBuffer;
+    #endif
+
+    //try windows environment variables
+    tmp_path = std::getenv("TMP");
     if (tmp_path != NULL) return tmp_path;
 
+    tmp_path = std::getenv("TEMP");
+    if (tmp_path != NULL) return tmp_path;
+
+    //try the stdio define if available
     #ifdef P_tmpdir
     if (P_tmpdir != NULL) return P_tmpdir;
     #endif
 
+    //try unix environment variables
+    tmp_path = std::getenv("TMPDIR");
+    if (tmp_path != NULL) return tmp_path;
+
+    //give up and use the unix default
     return "/tmp";
 }
 
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