Tibor Nagy
32 lines
715 B
C
32 lines
715 B
C
#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "test_helpers.h"
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int main(void) {
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// Lose our fd and pull it again
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{
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int fd = creat("fcntl.out", 0777);
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ERROR_IF(creat, fd, == -1);
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UNEXP_IF(creat, fd, < 0);
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}
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int newfd = open("fcntl.out", 0);
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ERROR_IF(open, newfd, == -1);
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UNEXP_IF(open, newfd, < 0);
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int newfd2 = fcntl(newfd, F_DUPFD, 0);
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// TODO: The standard doesn't define errors for F_DUPFD
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printf("fd %d duped into fd %d\n", newfd, newfd2);
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int c1 = close(newfd);
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ERROR_IF(close, c1, == -1);
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UNEXP_IF(close, c1, != 0);
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int c2 = close(newfd2);
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ERROR_IF(close, c2, == -1);
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UNEXP_IF(close, c2, != 0);
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}
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