Imported Upstream version 1.3.14

[debian/gzip] / sample / sub.c

diff --git a/sample/sub.c b/sample/sub.c
index ec57ca4f232adf0f492a7f8ecf26caf90843b72a..a06cc9bef2fa239f41cfbfdfe4fa6b016e760f8b 100644 (file)
--- a/sample/sub.c
+++ b/sample/sub.c
@@ -33,7 +33,9 @@
       gunzip < double.data.sgz | add > double.data
 */
 
+#include <config.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #define MAGIC1    'S' /* sub data */
 #define MAGIC2    26  /* ^Z */
@@ -54,7 +56,7 @@ int main(argc, argv)
   if (argc > 2)
   {
     fputs("sub: only one argument needed--# of differences\n", stderr);
-    exit(1);
+    exit(EXIT_FAILURE);
   }
   if (argc > 1)
     n = atoi(argv[1]);
@@ -62,7 +64,7 @@ int main(argc, argv)
   if (n < 0) n = -n;   /* tolerate "sub -2" */
   if (n == 0 || n > MAX_DIST) {
     fputs("sub: incorrect distance\n", stderr);
-    exit(1);
+    exit(EXIT_FAILURE);
   }
 
   /* initialize last byte */
@@ -83,6 +85,6 @@ int main(argc, argv)
     if (i == n)                                /* cycle on n differences */
       i = 0;
   }
-  exit(0);
+  exit(EXIT_SUCCESS);
   return 0; /* avoid warning */
 }