/*
 * 2ooM: The Master of Orion II Reverse Engineering Project
 * Helper functions for liblbx command-line applications.
 * Copyright © 2013 Nick Bowler
 *
 * 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/>.
 */

#ifndef TOOLS_H_
#define TOOLS_H_

#include <stdarg.h>

void tool_init(const char *name, int argc, char **argv);
void tool_version(void);

const char *tool_invocation(void);

/*
 * Error messaging routines.  Similar to printf, but writes to standard error
 * and prefixes the output with the program invocation name, automatically
 * appending a newline.  If err is 0, the result of strerror(errno) is also
 * printed in a similar manner as perror.  If err is positive, then that
 * value is used instead of errno.
 */
int tool_verr(int err, const char *fmt, va_list ap);
int tool_err(int err, const char *fmt, ...);

/*
 * Messaging routines similar to the above, except that they write to standard
 * output and there is no option to include strerror(errno).
 */
int tool_vmsg(const char *fmt, va_list ap);
int tool_msg(const char *fmt, ...);

#endif