X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=sample%2Fsub.c;fp=sample%2Fsub.c;h=a06cc9bef2fa239f41cfbfdfe4fa6b016e760f8b;hb=c7e61475680fa226bd9b8bdd469cd66914e630f5;hp=ec57ca4f232adf0f492a7f8ecf26caf90843b72a;hpb=800deb09b422a73c1212233a93839a223ff59678;p=debian%2Fgzip

diff --git a/sample/sub.c b/sample/sub.c
index ec57ca4..a06cc9b 100644
--- 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 */
 }