From fd2cb2cba67e6f26bb02b827d9e458524fd1f0d4 Mon Sep 17 00:00:00 2001
From: Christian Heller <c.heller@plomlompom.de>
Date: Sat, 25 Jan 2014 20:27:08 +0100
Subject: [PATCH] Server's remake_world() unlinks any pre-existing record file.

---
 src/server/init.c | 6 +++++-
 src/server/init.h | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/server/init.c b/src/server/init.c
index 97ed0fa..7ab5c9d 100644
--- a/src/server/init.c
+++ b/src/server/init.c
@@ -1,12 +1,13 @@
 /* src/server/init.c */
 
 #include "init.h"
+#include <errno.h> /* errno */
 #include <stddef.h> /* NULL */
 #include <stdint.h> /* uint32_t */
 #include <stdlib.h> /* exit(), free() */
 #include <string.h> /* atoi() */
 #include <time.h> /* time() */
-#include <unistd.h> /* optarg, getopt(), access() */
+#include <unistd.h> /* optarg, getopt(), access(), unlink() */
 #include "../common/readwrite.h" /* try_fopen(), try_fclose(), textfile_sizes(),
                                   * try_fgets()
                                   */
@@ -65,6 +66,9 @@ extern void remake_world(uint32_t seed)
     add_map_objects(4, 1 + rrand() % 3);
     add_map_objects(5, 1 + rrand() % 3);
     set_cleanup_flag(CLEANUP_MAP_OBJECTS);
+    int test = unlink(world.path_record);
+    char * err = "remake_world() fails to unlink() record file.";
+    exit_err(test && errno != ENOENT, err);
 }
 
 
diff --git a/src/server/init.h b/src/server/init.h
index 595f697..12d0c08 100644
--- a/src/server/init.h
+++ b/src/server/init.h
@@ -14,6 +14,7 @@
 extern void obey_argv(int argc, char * argv[]);
 
 /* Dissolves old game world if it exists, and generates a new one from "seed".
+ * Unlinks any pre-existing file at world.path_record to re-start record.
  *
  * Map object (action) definitions read in from server config directory are not
  * affected. world.last_update_turn is set to 0 and world.turn to 1, so that
-- 
2.30.2