mirror of https://github.com/tstack/lnav.git
34 lines
547 B
C++
34 lines
547 B
C++
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "auto_fd.hh"
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void foo(int *fd)
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{
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*fd = 2;
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}
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int main(int argc, char *argv[])
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{
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{
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auto_fd fd(open("/dev/null", O_WRONLY));
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auto_fd fd2;
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printf("1 fd %d\n", fd.get());
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fd = -1;
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printf("2 fd %d\n", fd.get());
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fd = open("/dev/null", O_WRONLY);
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fd2 = fd;
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printf("3 fd %d\n", fd.get());
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printf("4 fd2 %d\n", fd2.get());
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foo(fd2.out());
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printf("5 fd2 %d\n", fd2.get());
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}
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printf("nfd %d\n", open("/dev/null", O_WRONLY));
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}
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