X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fsn-normalize.c;h=676798cef1bed2b4ffc09398907bdbf20d3e7615;hb=fe8ec618b8540de5d96e07d49d3541669139f54d;hp=22f4c546d11756c16ac4e513857df6f53fd6fa2e;hpb=f35c47cabbc75b05286e335dc92206b3afb08825;p=sort-networks.git

diff --git a/src/sn-normalize.c b/src/sn-normalize.c
index 22f4c54..676798c 100644
--- a/src/sn-normalize.c
+++ b/src/sn-normalize.c
@@ -19,12 +19,7 @@
  *   Florian octo Forster <ff at octo.it>
  **/
 
-#ifndef _ISOC99_SOURCE
-# define _ISOC99_SOURCE
-#endif
-#ifndef _POSIX_C_SOURCE
-# define _POSIX_C_SOURCE 200112L
-#endif
+#include "config.h"
 
 #include <stdlib.h>
 #include <stdio.h>
@@ -35,7 +30,7 @@
 void exit_usage (const char *name)
 {
   printf ("%s [file]\n", name);
-  exit (1);
+  exit (EXIT_FAILURE);
 }
 
 int main (int argc, char **argv)
@@ -62,8 +57,8 @@ int main (int argc, char **argv)
 
   if (n == NULL)
   {
-    printf ("n == NULL!\n");
-    return (1);
+    fprintf (stderr, "Parsing network failed.\n");
+    exit (EXIT_FAILURE);
   }
 
   sn_network_normalize (n);
@@ -71,7 +66,7 @@ int main (int argc, char **argv)
 
   sn_network_write (n, stdout);
 
-  return (0);
+  exit (EXIT_SUCCESS);
 } /* int main */
 
 /* vim: set shiftwidth=2 softtabstop=2 : */