From: Christian Heller <c.heller@plomlompom.de>
Date: Sun, 25 Aug 2013 03:03:55 +0000 (+0200)
Subject: Only make exit_err() output errno message if errno is actually set.
X-Git-Tag: tce~1054
X-Git-Url: https://plomlompom.com/repos/%7B%7Bprefix%7D%7D/%7B%7Byoutube_prefix%7D%7D%7B%7Bvideo_id%7D%7D?a=commitdiff_plain;h=f92f23955f2aec3bf90dce810706f8a6062f6c72;p=plomrogue

Only make exit_err() output errno message if errno is actually set.
---

diff --git a/src/main.c b/src/main.c
index 2ca2c8c..d1ec7c0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -126,7 +126,7 @@ int main(int argc, char *argv[])
             err_x        = "Trouble recording new seed: "
                            "A file 'record' already exists, when it shouldn't.";
             err_o        = "Trouble recording new seed (fopen() in main()) / "
-                           "opening'record_tmp' file for writing.";
+                           "opening 'record_tmp' file for writing.";
             char * err_w = "Trouble recording new seed "
                            "(write_uint32_bigendian() in main()) / writing to "
                            "opened file 'record_tmp'.";
diff --git a/src/rexit.c b/src/rexit.c
index d8defc2..31cf3ee 100644
--- a/src/rexit.c
+++ b/src/rexit.c
@@ -5,11 +5,13 @@
 #include <stdio.h> /* for printf(), perror() */
 #include <stdint.h> /* for uint8_t */
 #include <ncurses.h> /* for endwin() */
+#include <errno.h> /* for errno */
 #include "main.h" /* for World struct */
 #include "map.h" /* for Map struct */
 #include "keybindings.h" /* for KeysWinData, KeyBinding structs */
 
 
+
 /* The clean-up routine and the flag resource by which it decides what to do. */
 static uint8_t cleanup_flags = 0x00;
 static void cleanup(struct World * world);
@@ -71,6 +73,9 @@ extern void exit_err(uint8_t err, struct World * world, char * msg)
         msg = "Details unknown.";
     }
     printf("Aborted PlomRogue due to error. %s\n", msg);
-    perror("errno states");
+    if (0 != errno)
+    {
+        perror("errno states");
+    }
     exit(EXIT_FAILURE);
 }