Add --show-config special option

[xboard.git] / gtk / xboard.c

diff --git a/gtk/xboard.c b/gtk/xboard.c
index 750e64f..6769a19 100644 (file)
--- a/gtk/xboard.c
+++ b/gtk/xboard.c
@@ -174,15 +174,15 @@ extern char *getenv();
 #  define SLASH '-'
    // redefine some defaults
 #  undef ICS_LOGON
-#  undef SYSCONFDIR
 #  undef DATADIR
+#  undef SETTINGS_FILE
 #  define ICS_LOGON "Library/Preferences/XboardICS.conf"
-#  define SYSCONFDIR "../etc"
 #  define DATADIR dataDir
-   char *dataDir; // for expanding ~~
+#  define SETTINGS_FILE masterSettings
+   char dataDir[MSG_SIZ]; // for expanding ~~
+   char masterSettings[MSG_SIZ];
 #else
 #  define SLASH '/'
-#  define DATADIR "~~"
 #endif
 
 #ifdef __EMX__
@@ -777,7 +777,9 @@ main (int argc, char **argv)
 #ifdef __APPLE__
     {   // prepare to catch OX OpenFile signal, which will tell us the clicked file
        GtkosxApplication *theApp = g_object_new(GTKOSX_TYPE_APPLICATION, NULL);
-       dataDir = gtkosx_application_get_bundle_path();
+       char *path = gtkosx_application_get_bundle_path();
+       strncpy(dataDir, path, MSG_SIZ);
+       snprintf(masterSettings, MSG_SIZ, "%s/../Resources/etc/xboard.conf", path);
        g_signal_connect(theApp, "NSApplicationOpenFile", G_CALLBACK(StartNewXBoard), NULL);
        // we must call application ready before we can get the signal,
        // and supply a (dummy) menu bar before that, to avoid problems with dual apples in it
@@ -798,6 +800,23 @@ main (int argc, char **argv)
     }
 #endif
 
+    if(argc > 1 && !strcmp(argv[1], "--show-config")) { // [HGM] install: called to print config info
+       typedef struct {char *name, *value; } Config;
+       static Config configList[] = {
+         { "Datadir", DATADIR },
+         { "Sysconfdir", SYSCONFDIR },
+         { NULL }
+       };
+       int i;
+
+       for(i=0; configList[i].name; i++) {
+           if(argc > 2 && strcmp(argv[2], configList[i].name)) continue;
+           if(argc > 2) printf("%s", configList[i].value);
+           else printf("%-12s: %s\n", configList[i].name, configList[i].value);
+       }
+       exit(0);
+    }
+
     /* set up keyboard accelerators group */
     GtkAccelerators = gtk_accel_group_new();