posix: Using libsupport for p{write,read}v tests

Checked on x86_64-linux-gnu.

	* misc/tst-preadvwritev-common.c (do_prepare): Use libsupport
	expected arguments.
	(do_test): Adapt to use libsupport.

ChangeLog

@@ -1,3 +1,9 @@
+2017-04-26  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+	* misc/tst-preadvwritev-common.c (do_prepare): Use libsupport
+	expected arguments.
+	(do_test): Adapt to use libsupport.
+
 2017-05-01  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/gnu/netinet/tcp.h (TCP_FASTOPEN_CONNECT): New macro.

misc/tst-preadvwritev-common.c

@@ -16,31 +16,28 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
 #include <sys/uio.h>
 #include <sys/stat.h>
 
-static void do_prepare (void);
-#define PREPARE(argc, argv)     do_prepare ()
-static int do_test (void);
-#define TEST_FUNCTION           do_test ()
-#include "test-skeleton.c"
+#include <support/check.h>
+#include <support/temp_file.h>
 
 static char *temp_filename;
 static int temp_fd;
 
+static int do_test (void);
+
 static void
-do_prepare (void)
+do_prepare (int argc, char **argv)
 {
   temp_fd = create_temp_file ("tst-preadvwritev.", &temp_filename);
   if (temp_fd == -1)
-    {
-      printf ("cannot create temporary file: %m\n");
-      exit (1);
-    }
+    FAIL_EXIT1 ("cannot create temporary file");
 }
-
-#define FAIL(str) \
-  do { printf ("error: %s (line %d)\n", str, __LINE__); return 1; } while (0)
+#define PREPARE do_prepare
 
 static int
 do_test_with_offset (off_t offset)
@@ -63,15 +60,15 @@ do_test_with_offset (off_t offset)
 
   ret = pwritev (temp_fd, iov, 2, offset);
   if (ret == -1)
-    FAIL ("first pwritev returned -1");
+    FAIL_RET ("first pwritev returned -1");
   if (ret != (sizeof buf1 + sizeof buf2))
-    FAIL ("first pwritev returned an unexpected value");
+    FAIL_RET ("first pwritev returned an unexpected value");
 
   ret = pwritev (temp_fd, iov, 2, sizeof buf1 + sizeof buf2 + offset);
   if (ret == -1)
-    FAIL ("second pwritev returned -1");
+    FAIL_RET ("second pwritev returned -1");
   if (ret != (sizeof buf1 + sizeof buf2))
-    FAIL ("second pwritev returned an unexpected value");
+    FAIL_RET ("second pwritev returned an unexpected value");
 
   char buf3[32];
   char buf4[64];
@@ -87,26 +84,28 @@ do_test_with_offset (off_t offset)
   /* Now read two buffer with 32 and 64 bytes respectively.  */
   ret = preadv (temp_fd, iov, 2, offset);
   if (ret == -1)
-    FAIL ("first preadv returned -1");
+    FAIL_RET ("first preadv returned -1");
   if (ret != (sizeof buf3 + sizeof buf4))
-    FAIL ("first preadv returned an unexpected value");
+    FAIL_RET ("first preadv returned an unexpected value");
 
   if (memcmp (buf1, buf3, sizeof buf1) != 0)
-    FAIL ("first buffer from first preadv different than expected");
+    FAIL_RET ("first buffer from first preadv different than expected");
   if (memcmp (buf2, buf4, sizeof buf2) != 0)
-    FAIL ("second buffer from first preadv different than expected");
+    FAIL_RET ("second buffer from first preadv different than expected");
 
   ret = preadv (temp_fd, iov, 2, sizeof buf3 + sizeof buf4 + offset);
   if (ret == -1)
-    FAIL ("second preadv returned -1");
+    FAIL_RET ("second preadv returned -1");
   if (ret != (sizeof buf3 + sizeof buf4))
-    FAIL ("second preadv returned an unexpected value");
+    FAIL_RET ("second preadv returned an unexpected value");
 
   /* And compare the buffers read and written to check if there are equal.  */
   if (memcmp (buf1, buf3, sizeof buf1) != 0)
-    FAIL ("first buffer from second preadv different than expected");
+    FAIL_RET ("first buffer from second preadv different than expected");
   if (memcmp (buf2, buf4, sizeof buf2) != 0)
-    FAIL ("second buffer from second preadv different than expected");
+    FAIL_RET ("second buffer from second preadv different than expected");
 
   return 0;
 }
+
+#include <support/test-driver.c>