From 67dec216d2b11a7d6948b3dc047026330448ee63 Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Sat, 30 May 2020 12:31:26 +1000
Subject: [PATCH] [host] search the applications local directory for the config

---
 VERSION                              |  2 +-
 host/include/interface/platform.h    |  1 +
 host/platform/Linux/src/platform.c   | 14 +++++++++++++-
 host/platform/Windows/src/platform.c | 18 ++++++++++++++++++
 host/src/app.c                       | 19 ++++++++++++++++++-
 5 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/VERSION b/VERSION
index 739d8b17..deaf99cd 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-B2-rc2-7-ge8c949c1e7+1
\ No newline at end of file
+B2-rc2-8-gfcbdf7ba4f+1
\ No newline at end of file
diff --git a/host/include/interface/platform.h b/host/include/interface/platform.h
index f5165179..0d8e9a39 100644
--- a/host/include/interface/platform.h
+++ b/host/include/interface/platform.h
@@ -27,3 +27,4 @@ void app_quit();
 
 // these must be implemented for each OS
 const char * os_getExecutable();
+const char * os_getDataPath();
diff --git a/host/platform/Linux/src/platform.c b/host/platform/Linux/src/platform.c
index cd953f3c..afe371bc 100644
--- a/host/platform/Linux/src/platform.c
+++ b/host/platform/Linux/src/platform.c
@@ -30,6 +30,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
 struct app
 {
   const char * executable;
+  char * dataPath;
 };
 
 struct app app = { 0 };
@@ -37,7 +38,13 @@ struct app app = { 0 };
 int main(int argc, char * argv[])
 {
   app.executable = argv[0];
+
+  struct passwd * pw = getpwuid(getuid());
+  alloc_sprintf(&app.dataPath, "%s/", pw->pw_dir);
+
   int result = app_main(argc, argv);
+
+  free(app.dataPath);
   return result;
 }
 
@@ -56,4 +63,9 @@ bool app_init()
 const char * os_getExecutable()
 {
   return app.executable;
-}
\ No newline at end of file
+}
+
+const char * os_getDataPath()
+{
+  return app.dataPath;
+}
diff --git a/host/platform/Windows/src/platform.c b/host/platform/Windows/src/platform.c
index 10d392e8..f63e9f0e 100644
--- a/host/platform/Windows/src/platform.c
+++ b/host/platform/Windows/src/platform.c
@@ -303,6 +303,24 @@ const char * os_getExecutable()
   return app.executable;
 }
 
+const char * os_getDataPath()
+{
+  static char path[MAX_PATH] = { 0 };
+  if (!path[0])
+  {
+    if (!GetModuleFileName(NULL, path, MAX_PATH))
+      return NULL;
+
+    char *p = strrchr(path, '\\');
+    if (!p)
+      return NULL;
+
+    ++p;
+    *p = '\0';
+  }
+  return path;
+}
+
 HWND os_getMessageWnd()
 {
   return app.messageWnd;
diff --git a/host/src/app.c b/host/src/app.c
index 22e48012..44f83cb2 100644
--- a/host/src/app.c
+++ b/host/src/app.c
@@ -38,6 +38,8 @@ Place, Suite 330, Boston, MA 02111-1307 USA
 #include <stdlib.h>
 #include <string.h>
 
+#define CONFIG_FILE "looking-glass-host.ini"
+
 #define ALIGN_DN(x) ((uintptr_t)(x) & ~0x7F)
 #define ALIGN_UP(x) ALIGN_DN(x + 0x7F)
 
@@ -400,7 +402,22 @@ int app_main(int argc, char * argv[])
       CaptureInterfaces[i]->initOptions();
 
   // try load values from a config file
-  option_load("looking-glass-host.ini");
+  const char * dataPath = os_getDataPath();
+  if (!dataPath)
+  {
+    option_free();
+    DEBUG_ERROR("Failed to get the application's data path");
+    return -1;
+  }
+
+  const size_t len = strlen(dataPath) + sizeof(CONFIG_FILE) + 1;
+  char configFile[len];
+  snprintf(configFile, sizeof(configFile), "%s%s", dataPath, CONFIG_FILE);
+  DEBUG_INFO("Looking for configuration file at: %s", configFile);
+  if (option_load(configFile))
+    DEBUG_INFO("Configuration file loaded");
+  else
+    DEBUG_INFO("Configuration file not found or invalid");
 
   // parse the command line arguments
   if (!option_parse(argc, argv))