X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftests%2Ffilesys%2Fextended%2Fdir-open.c;h=29d18b8580eb5a48fe59d1a77a1758dfb9a8c363;hb=a4613d70fb56b93216299f6253698ab0e4bbd46d;hp=9bfe2e02a0efa8323fd02ba42dd7ac824e72147b;hpb=615bf3b3d2a8573ed6fb9ddc0055745e163ac999;p=pintos-anon

diff --git a/src/tests/filesys/extended/dir-open.c b/src/tests/filesys/extended/dir-open.c
index 9bfe2e0..29d18b8 100644
--- a/src/tests/filesys/extended/dir-open.c
+++ b/src/tests/filesys/extended/dir-open.c
@@ -1,3 +1,6 @@
+/* Opens a directory, then tries to write to it, which must
+   fail. */
+
 #include <syscall.h>
 #include "tests/lib.h"
 #include "tests/main.h"
@@ -6,16 +9,13 @@ void
 test_main (void) 
 {
   int fd;
+  int retval;
   
   CHECK (mkdir ("xyzzy"), "mkdir \"xyzzy\"");
-  msg ("open \"xyzzy\"");
-  fd = open ("xyzzy");
-  if (fd == -1) 
-    msg ("open returned -1 -- ok");
-  else 
-    {
-      int retval = write (fd, "foobar", 6);
-      CHECK (retval == -1, "write \"xyzzy\" (must return -1, actually %d)",
-             retval);
-    }
+  CHECK ((fd = open ("xyzzy")) > 1, "open \"xyzzy\"");
+
+  msg ("write \"xyzzy\"");
+  retval = write (fd, "foobar", 6);
+  CHECK (retval == -1,
+         "write \"xyzzy\" (must return -1, actually %d)", retval);
 }