From: Christian Heller <c.heller@plomlompom.de>
Date: Wed, 21 Aug 2013 03:14:20 +0000 (+0200)
Subject: In save_game(), error-exit on earliest of writing errors, not after cascade of them.
X-Git-Tag: tce~1084
X-Git-Url: https://plomlompom.com/repos/%7B%7Bdb.prefix%7D%7D/%7B%7B%20web_path%20%7D%7D/static/%7B%7Bprefix%7D%7D/blog?a=commitdiff_plain;h=b4d3dd91f438b97be97afa51e7a0c208f1ae475b;p=plomrogue

In save_game(), error-exit on earliest of writing errors, not after cascade of them.
---

diff --git a/src/misc.c b/src/misc.c
index 9063fef..1edd7d2 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -136,16 +136,17 @@ extern void save_game(struct World * world)
     FILE * file = fopen("savefile", "w");
     exit_err(0 == file, world,
              "Error saving game: Unable to open savefile for writing.");
-    uint8_t err;
-    err = write_uint32_bigendian(world->seed, file);
-    err = err | write_uint32_bigendian(world->turn, file);
-    err = err | write_uint16_bigendian(world->player->pos.y + 1, file);
-    err = err | write_uint16_bigendian(world->player->pos.x + 1, file);
-    err = err | write_uint8(world->player->hitpoints, file);
-    err = err | write_map_objects(world, world->monster, file);
-    err = err | write_map_objects(world, world->item, file);
-    exit_err(err, world,
-             "Error saving game: Trouble writing to opened savefile.");
+    if (   write_uint32_bigendian(world->seed, file)
+        || write_uint32_bigendian(world->turn, file)
+        || write_uint16_bigendian(world->player->pos.y + 1, file)
+        || write_uint16_bigendian(world->player->pos.x + 1, file)
+        || write_uint8(world->player->hitpoints, file)
+        || write_map_objects(world, world->monster, file)
+        || write_map_objects(world, world->item, file))
+    {
+        exit_err(1, world,
+                 "Error saving game: Trouble writing to opened savefile.");
+    }
     exit_err(fclose(file), world,
              "Error saving game: Unable to close opened savefile.");
 }