Add --show-config special option

[xboard.git] / xaw / xboard.c

diff --git a/xaw/xboard.c b/xaw/xboard.c
index d3d6ba2..292f7c2 100644 (file)
--- a/xaw/xboard.c
+++ b/xaw/xboard.c
@@ -990,6 +990,23 @@ main (int argc, char **argv)
        exit(0);
     }
 
+    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);
+    }
+
     programName = strrchr(argv[0], '/');
     if (programName == NULL)
       programName = argv[0];