Add EXIT_FAILURE, EXIT_SUCCESS to syscall.h,

[pintos-anon] / src / examples / hex-dump.c

diff --git a/src/examples/hex-dump.c b/src/examples/hex-dump.c
index 713d9737f209ee7d9ca6f6efa860d05cb830f07f..ee313f2e84d2790ce173653e4f786389346e4551 100644 (file)
--- a/src/examples/hex-dump.c
+++ b/src/examples/hex-dump.c
@@ -8,6 +8,7 @@
 int
 main (int argc, char *argv[]) 
 {
+  bool success = true;
   int i;
   
   for (i = 1; i < argc; i++) 
@@ -16,6 +17,7 @@ main (int argc, char *argv[])
       if (fd < 0) 
         {
           printf ("%s: open failed\n", argv[i]);
+          success = false;
           continue;
         }
       for (;;) 
@@ -29,5 +31,5 @@ main (int argc, char *argv[])
         }
       close (fd);
     }
-  return 0;
+  return success ? EXIT_SUCCESS : EXIT_FAILURE;
 }