mirror of
https://github.com/tstack/lnav
synced 2024-11-05 21:21:19 +00:00
56 lines
1.0 KiB
C++
56 lines
1.0 KiB
C++
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#include "config.h"
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "auto_fd.hh"
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int main(int argc, char *argv[])
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{
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int retval = EXIT_SUCCESS;
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auto_fd fd1, fd2;
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int tmp;
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assert(fd1 == -1);
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tmp = open("/dev/null", O_RDONLY);
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assert(tmp != -1);
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fd1 = tmp;
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fd1 = tmp;
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assert(fcntl(tmp, F_GETFL) >= 0);
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fd1 = fd2;
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assert(fcntl(tmp, F_GETFL) == -1);
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assert(errno == EBADF);
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assert(fd1 == -1);
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tmp = open("/dev/null", O_RDONLY);
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assert(tmp != -1);
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fd1 = tmp;
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*fd1.out() = STDOUT_FILENO;
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assert(fcntl(tmp, F_GETFL) == -1);
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assert(errno == EBADF);
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{
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auto_fd fd_cp(const_cast<const auto_fd &>(fd1));
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assert(fd1 == STDOUT_FILENO);
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assert(fd_cp != STDOUT_FILENO);
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assert(fd_cp != -1);
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tmp = (int)fd_cp;
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}
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{
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auto_fd fd_cp(const_cast<const auto_fd &>(fd1));
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assert(fd_cp == tmp);
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}
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assert(fd1.release() == STDOUT_FILENO);
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assert(fd1 == -1);
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return retval;
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}
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