redirect_output.cpp

/*
 * Copyright (C) 2013 Thierry Crozat
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contact: criezy01@gmail.com
 */

#include "redirect_output.h"
#include "list.h"

List<FILE*> streams;


bool redirect_output(const String& file) {
	FILE* f = fopen(file.c_str(), "a");
	if (f == NULL)
		return false;
	streams << f;
	return true;
}

void close_redirect_output() {
	if (!streams.isEmpty())
		fclose(streams.takeLast());
}

int rprintf(const char *fmt, ...) {
	FILE* stream = stdout;
	if (!streams.isEmpty())
		stream = streams.last();

	va_list args;
	va_start(args, fmt);
    int status = vfprintf(stream, fmt, args);
    va_end(args);

    return status;
}