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/*
* Copyright 2005 Timo Hirvonen
*/
#ifndef PROG_H
#define PROG_H
#include "compiler.h"
/* set in beginning of main */
extern char *program_name;
struct option {
/* short option or 0 */
int short_opt;
/* long option or NULL */
const char *long_opt;
/* does option have an argument */
int has_arg;
};
/*
* arg: returned argument if .has_arg is 1
*
* returns: index to options array or -1 of no more options
*/
int get_option(char **argv[], const struct option *options, char **arg);
void warn(const char *format, ...) __FORMAT(1, 2);
void warn_errno(const char *format, ...) __FORMAT(1, 2);
void die(const char *format, ...) __FORMAT(1, 2) __NORETURN;
void die_errno(const char *format, ...) __FORMAT(1, 2) __NORETURN;
#endif
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