#include <stdlib.h>
#include <string.h>
#include <assert.h>

#include <process/process.h>
#include <waiter/waiter.h>
#include <talloc/talloc.h>

static int do_child(void)
{
	fprintf(stderr, "forty two\n");
	return 42;
}

int main(int argc, char **argv)
{
	struct waitset *waitset;
	struct process *process;
	const char *child_argv[3];
	void *ctx;

	if (argc == 2 && !strcmp(argv[1], "child"))
		return do_child();

	ctx = talloc_new(NULL);

	waitset = waitset_create(ctx);

	process_init(ctx, waitset, false);

	child_argv[0] = argv[0];
	child_argv[1] = "child";
	child_argv[2] = NULL;

	process = process_create(ctx);
	process->path = child_argv[0];
	process->argv = child_argv;
	process->keep_stdout = true;
	process->add_stderr = true;

	process_run_sync(process);

	assert(WIFEXITED(process->exit_status));
	assert(WEXITSTATUS(process->exit_status) == 42);

	assert(process->stdout_len == strlen("forty two\n"));
	assert(!memcmp(process->stdout_buf, "forty two\n",
				process->stdout_len));

	talloc_free(ctx);

	return EXIT_SUCCESS;
}