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