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/* Copyright (C) 2012-2014, 2017 D. V. Wiebe
*
***************************************************************************
*
* This file is part of the GetData project.
*
* GetData is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* GetData is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GetData; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "test.h"
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#define DIRFILENAME "a non-existant dirfile"
int main(void)
{
#if !defined HAVE_DUP2 || !defined HAVE_KILL || !defined HAVE_PIPE || \
!defined HAVE_WORKING_FORK || defined __CYGWIN__
return 77; /* skip */
#else
int r = 0, status, pipefd[2];
pid_t pid;
rmdirfile();
/* make a pipe */
if (pipe(pipefd)) {
perror("pipe");
exit(1);
}
/* fork a child to read our standard error */
if ((pid = fork()) == 0) {
char string[10000];
FILE *stream;
/* CHILD: close the write-side of the pipe */
close(pipefd[1]);
/* Associate the read-side of the pipe with a stream */
stream = fdopen(pipefd[0], "r");
fgets(string, 10000, stream);
CHECKBOS(string, "libgetdata:");
CHECKSS(string, DIRFILENAME);
/* Child exits */
return r;
}
/* PARENT: close the read-side of the pipe */
close(pipefd[0]);
/* point stderr at the write side of the pipe */
if (dup2(pipefd[1], STDERR_FILENO) < 0) {
close(pipefd[1]);
perror("dup2");
kill(pid, SIGKILL);
} else {
DIRFILE *D;
int error;
close(pipefd[1]);
D = gd_open(DIRFILENAME, GD_RDONLY | GD_VERBOSE);
error = gd_error(D);
gd_discard(D);
fputs("\n", stderr);
fflush(stderr);
/* restore stderr */
freopen("/dev/stderr", "w", stderr);
CHECKI(error, GD_E_IO);
}
waitpid(pid, &status, 0);
if (status) {
printf("status=%i", status);
r = 1;
}
return r;
#endif
}
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