/* Test the pread function.
- Copyright (C) 2009 Free Software Foundation, Inc.
+ Copyright (C) 2009-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
+#include "signature.h"
+SIGNATURE_CHECK (pread, ssize_t, (int, void *, size_t, off_t));
+
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- fflush (stderr); \
- abort (); \
- } \
- } \
- while (0)
+#include "macros.h"
#define N (sizeof buf - 1)
/* Invalid offset must evoke failure with EINVAL. */
char byte;
ASSERT (pread (fd, &byte, 1, (off_t) -1) == -1);
- ASSERT (errno == EINVAL);
+ ASSERT (errno == EINVAL
+ || errno == EFBIG /* seen on OpenBSD 4.9 */
+ );
}
ASSERT (close (fd) == 0);
ASSERT (errno == ESPIPE);
}
+ /* Test behaviour for invalid file descriptors. */
+ {
+ char byte;
+ errno = 0;
+ ASSERT (pread (-1, &byte, 1, 0) == -1);
+ ASSERT (errno == EBADF);
+ }
+ {
+ char byte;
+ close (99);
+ errno = 0;
+ ASSERT (pread (99, &byte, 1, 0) == -1);
+ ASSERT (errno == EBADF);
+ }
+
return 0;
}