#include <cstdio>
#include <string.h>
#include <stdarg.h>

#include "util.hpp"

int debug;

void do_debugf(int level, const char *format, ...)
{
    va_list args;
    va_start(args, format);
    if(debug >= level) {
        vfprintf(stderr, format, args);
        fflush(stderr);
    }
    va_end(args);
}

MsgException::MsgException(const std::string& msg, int code, bool is_perror)
    : _msg(msg), _code(code)
{
    _what = _msg;

    if(_code != 0) {
        if(is_perror) {
            _what += ": ";
            _what += strerror(errno);
        }

        char remainder[20];
        sprintf(remainder, " (code %d)", _code);
        _what += remainder;
    }
}