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/* COVERAGE: sendfile */
#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>
int main ()
{
int fd, read_fd;
int write_fd;
struct stat stat_buf;
off_t offset = 0;
char buff[512];
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;
fstat (read_fd, &stat_buf);
/* Open the output file for writing */
write_fd = creat("foobar2",S_IREAD|S_IWRITE|S_IRWXO);
/*
* For kernel2.6 the write_fd has to be a socket otherwise
* sendfile will fail. So we test for failure here.
*/
ret = sendfile (write_fd, read_fd, &offset, stat_buf.st_size);
//staptest// sendfile (NNNN, NNNN, XXXX, 512) = -22 (EINVAL)
close (read_fd);
close (write_fd);
unlink("foobar");
unlink("foobar2");
return 0;
}
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