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/* $Id: pwrite-t.c 5379 2002-03-31 21:45:12Z rra $ */
/* pwrite test suite. */
#include "config.h"
#include "clibrary.h"
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "inn/messages.h"
#include "libtest.h"
ssize_t test_pwrite(int fd, const void *buf, size_t nbyte, off_t offset);
int
main(void)
{
unsigned char buf[256], result[256];
unsigned char c;
int i, fd;
ssize_t status;
for (c = 0, i = 0; i < 256; i++, c++)
buf[i] = c;
fd = open(".testout", O_RDWR | O_CREAT | O_TRUNC, 0644);
if (fd < 0)
sysdie("Can't create .testout");
if (unlink(".testout") < 0)
sysdie("Can't unlink .testout");
memset(result, 0, sizeof(result));
puts("6");
ok(1, test_pwrite(fd, buf + 129, 127, 129) == 127);
ok(2, write(fd, buf, 64) == 64);
ok(3, test_pwrite(fd, buf + 64, 65, 64) == 65);
status = read(fd, result, 64);
ok(4, (status == 64) && !memcmp(result, buf + 64, 64));
if (lseek(fd, 0, SEEK_SET) == (off_t) -1)
sysdie("Can't rewind .testout");
status = read(fd, result, 256);
ok(5, (status == 256) && !memcmp(result, buf, 256));
close(20);
errno = 0;
status = test_pwrite(20, result, 1, 0);
ok(6, (status == -1) && (errno == EBADF));
return 0;
}
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