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/*
* Copyright © 2013 Guillem Jover <guillem@hadrons.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/wait.h>
#include <assert.h>
#include <unistd.h>
#include <wchar.h>
#include <stdio.h>
#include "test-stream.h"
FILE *
pipe_feed(enum pipe_data_mode mode, const void **buf, int buf_nmemb)
{
FILE *fp;
int rc;
int pipefd[2];
pid_t pid;
rc = pipe(pipefd);
assert(rc >= 0);
pid = fork();
assert(pid >= 0);
if (pid == 0) {
int line;
/* Child writes data to pipe. */
rc = close(pipefd[0]);
assert(rc >= 0);
fp = fdopen(pipefd[1], "w");
assert(fp);
for (line = 0; line < buf_nmemb; line++) {
if (mode == PIPE_DATA_ASCII)
rc = fprintf(fp, "%s", (const char *)buf[line]);
else
rc = fprintf(fp, "%ls", (const wchar_t *)buf[line]);
assert(rc >= 0);
}
rc = fclose(fp);
assert(rc >= 0);
_exit(0);
} else {
/* Parent gets a FILE and reads from it. */
rc = close(pipefd[1]);
assert(rc >= 0);
fp = fdopen(pipefd[0], "r");
assert(fp);
return fp;
}
}
void
pipe_close(FILE *fp)
{
fclose(fp);
wait(NULL);
}
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