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/* COVERAGE: sendfile sendfile64 */
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/sendfile.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <limits.h>
int main ()
{
int fd, read_fd;
int write_fd;
off_t offset = 0;
char buff[22]; // Note below 22 == EINVAL
int ret;
memset(buff, 5, sizeof(buff));
/* create a file with something in it */
fd = creat("foobar",S_IREAD|S_IWRITE);
write(fd, buff, sizeof(buff));
fsync(fd);
close(fd);
read_fd = open ("foobar", O_RDONLY);
if (read_fd < 0)
return 1;
/* Open the output file for writing */
write_fd = creat("foobar2",S_IREAD|S_IWRITE|S_IRWXO);
/*
* For 2.6 the write_fd had to be a socket otherwise
* sendfile would fail. So we also test for failure here.
*/
ret = sendfile (write_fd, read_fd, &offset, sizeof(buff));
//staptest// sendfile (NNNN, NNNN, XXXX, 22) = -?22
sendfile (-1, read_fd, &offset, sizeof(buff));
//staptest// sendfile (-1, NNNN, XXXX, 22) = -NNNN (EBADF)
sendfile (write_fd, -1, &offset, sizeof(buff));
//staptest// sendfile (NNNN, -1, XXXX, 22) = -NNNN (EBADF)
sendfile (write_fd, read_fd, (off_t *)-1, sizeof(buff));
#ifdef __s390__
//staptest// sendfile (NNNN, NNNN, 0x[7]?[f]+, 22) = -NNNN (EFAULT)
#else
//staptest// sendfile (NNNN, NNNN, 0x[f]+, 22) = -NNNN (EFAULT)
#endif
sendfile (write_fd, read_fd, &offset, -1);
// The 'count' argument is a size_t, which is an unsigned
// long, whose size varies by platform. (The return value
// varies here as well, so we'll just ignore it.)
#if __WORDSIZE == 64
//staptest// sendfile (NNNN, NNNN, XXXX, 18446744073709551615)
#else
//staptest// sendfile (NNNN, NNNN, XXXX, 4294967295)
#endif
close (read_fd);
close (write_fd);
unlink("foobar");
unlink("foobar2");
return 0;
}
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