[gnome-games] libgames-support: Add a way to specify the relocation root by env var

[Christian Persch <chpe src gnome org>]

commit eb2c00ed41ce8dcd1c1f07179f3952783792fd6d
Author: Christian Persch <chpe gnome org>
Date:   Sun Jul 12 20:21:13 2009 +0200

    libgames-support: Add a way to specify the relocation root by env var
    
    When GAMES_RELOC_ROOT is set, use that as the relocation root.

 libgames-support/games-runtime.c |   28 +++++++++++++++++-----------
 1 files changed, 17 insertions(+), 11 deletions(-)
---
diff --git a/libgames-support/games-runtime.c b/libgames-support/games-runtime.c
index cb75234..cb3f7bc 100644
--- a/libgames-support/games-runtime.c
+++ b/libgames-support/games-runtime.c
@@ -494,21 +494,27 @@ games_runtime_get_directory (GamesRuntimeDirectory directory)
 #else
       {
         GbrInitError errv = 0;
-        char *exe, *bindir, *prefix;
+        const char *env;
 
-        exe = _br_find_exe (&errv);
-        if (exe == NULL) {
-          g_printerr ("Failed to locate the binary relocation prefix (error code %u)\n", errv);
+        if ((env = g_getenv ("GAMES_RELOC_ROOT")) != NULL) {
+          path = g_strdup (env);
         } else {
-          bindir = g_path_get_dirname (exe);
-          g_free (exe);
-          prefix = g_path_get_dirname (bindir);
-          g_free (bindir);
+          char *exe, *bindir, *prefix;
 
-          if (prefix != NULL && strcmp (prefix, ".") != 0) {
-            path = prefix;
+          exe = _br_find_exe (&errv);
+          if (exe == NULL) {
+            g_printerr ("Failed to locate the binary relocation prefix (error code %u)\n", errv);
           } else {
-            g_free (prefix);
+            bindir = g_path_get_dirname (exe);
+            g_free (exe);
+            prefix = g_path_get_dirname (bindir);
+            g_free (bindir);
+
+            if (prefix != NULL && strcmp (prefix, ".") != 0) {
+              path = prefix;
+            } else {
+              g_free (prefix);
+            }
           }
         }
       }