From d49d16a84422346630c3196e3de9727ea872371c Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 16 Apr 2016 11:10:55 +0000
Subject: [PATCH] support overriding GNUNET_DEFAULT_USER_CONFIG_FILE

---
 src/include/gnunet_constants.h | 5 -----
 src/include/gnunet_os_lib.h    | 5 +++++
 src/util/os_installation.c     | 2 ++
 src/util/program.c             | 2 +-
 src/util/service.c             | 2 +-
 5 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/include/gnunet_constants.h b/src/include/gnunet_constants.h
index 747b8afd5..000def902 100644
--- a/src/include/gnunet_constants.h
+++ b/src/include/gnunet_constants.h
@@ -40,11 +40,6 @@ extern "C"
 #endif
 #endif
 
-/**
- * Last resort choice for configuration file name.
- */
-#define GNUNET_DEFAULT_USER_CONFIG_FILE "~/.config/gnunet.conf"
-
 /**
  * Bandwidth (in/out) to assume initially (before either peer has
  * communicated any particular preference).  Should be rather low; set
diff --git a/src/include/gnunet_os_lib.h b/src/include/gnunet_os_lib.h
index 5785bd67f..d4893f906 100644
--- a/src/include/gnunet_os_lib.h
+++ b/src/include/gnunet_os_lib.h
@@ -255,6 +255,11 @@ struct GNUNET_OS_ProjectData
    */
   const char *config_file;
 
+  /**
+   * Configuration file name to use (if $XDG_CONFIG_HOME is not set).
+   */
+  const char *user_config_file;
+
 };
 
 
diff --git a/src/util/os_installation.c b/src/util/os_installation.c
index 8606d5c58..45f5052aa 100644
--- a/src/util/os_installation.c
+++ b/src/util/os_installation.c
@@ -60,6 +60,8 @@ static const struct GNUNET_OS_ProjectData default_pd = {
   .env_varname = "GNUNET_PREFIX",
   .bug_email = "gnunet-developers@gnu.org",
   .homepage = "http://www.gnu.org/s/gnunet/",
+  .config_file = "gnunet.conf",
+  .user_config_file = "~/.config/gnunet.conf"
 };
 
 /**
diff --git a/src/util/program.c b/src/util/program.c
index a313ce87e..bf7885fe9 100644
--- a/src/util/program.c
+++ b/src/util/program.c
@@ -225,7 +225,7 @@ GNUNET_PROGRAM_run2 (int argc, char *const *argv, const char *binaryName,
                      DIR_SEPARATOR_STR,
                      GNUNET_OS_project_data_get ()->config_file);
   else
-    cfg_fn = GNUNET_strdup (GNUNET_DEFAULT_USER_CONFIG_FILE);
+    cfg_fn = GNUNET_strdup (GNUNET_OS_project_data_get ()->user_config_file);
   lpfx = GNUNET_strdup (binaryName);
   if (NULL != (spc = strstr (lpfx, " ")))
     *spc = '\0';
diff --git a/src/util/service.c b/src/util/service.c
index c7f965021..93a51f220 100644
--- a/src/util/service.c
+++ b/src/util/service.c
@@ -1429,7 +1429,7 @@ GNUNET_SERVICE_run (int argc, char *const *argv,
                      DIR_SEPARATOR_STR,
                      GNUNET_OS_project_data_get ()->config_file);
   else
-    cfg_fn = GNUNET_strdup (GNUNET_DEFAULT_USER_CONFIG_FILE);
+    cfg_fn = GNUNET_strdup (GNUNET_OS_project_data_get ()->user_config_file);
   memset (&sctx, 0, sizeof (sctx));
   sctx.options = options;
   sctx.ready_confirm_fd = -1;
-- 
2.25.1