bus: test-bus-memfd - use pread()/pwrite()

This commit is contained in:
Kay Sievers 2013-05-13 15:12:25 +02:00
parent c8150fa751
commit 9976dcb2f6

View file

@ -20,6 +20,7 @@
***/
#include <sys/mman.h>
#include <sys/uio.h>
#include "log.h"
#include "macro.h"
@ -151,8 +152,7 @@ int main(int argc, char *argv[]) {
iov[1].iov_len = 3;
iov[2].iov_base = (char *)"GHI";
iov[2].iov_len = 3;
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(writev(fd, iov, 3) == 9);
assert_se(pwritev(fd, iov, 3, 0) == 9);
/* readv it back */
iov[0].iov_base = bufv[0];
@ -161,8 +161,7 @@ int main(int argc, char *argv[]) {
iov[1].iov_len = 3;
iov[2].iov_base = bufv[2];
iov[2].iov_len = 3;
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(readv(fd, iov, 3) == 9);
assert_se(preadv(fd, iov, 3, 0) == 9);
/* check content */
assert_se(memcmp(bufv[0], "ABC", 3) == 0);