63c372cb9d
After all it is now much more like strjoin() than strappend(). At the same time, add support for NULL sentinels, even if they are normally not necessary.
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 Zbigniew Jędrzejewski-Szmek
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "util.h"
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int main(int argc, char** argv) {
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const char *p = argv[1] ?: "/tmp";
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char *pattern = strjoina(p, "/systemd-test-XXXXXX");
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_cleanup_close_ int fd, fd2;
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_cleanup_free_ char *cmd, *cmd2;
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fd = open_tmpfile(p, O_RDWR|O_CLOEXEC);
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assert_se(fd >= 0);
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assert_se(asprintf(&cmd, "ls -l /proc/"PID_FMT"/fd/%d", getpid(), fd) > 0);
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system(cmd);
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fd2 = mkostemp_safe(pattern, O_RDWR|O_CLOEXEC);
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assert_se(fd >= 0);
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assert_se(unlink(pattern) == 0);
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assert_se(asprintf(&cmd2, "ls -l /proc/"PID_FMT"/fd/%d", getpid(), fd2) > 0);
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system(cmd2);
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return 0;
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}
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