tibia-client/src/framework/util/util.cpp

/* The MIT License
 *
 * Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "util.h"
#include <cstdio>

std::string vformat(const char *format, va_list args)
{
    if(!format)
        return "";
    int result = -1, length = 256;
    char *buffer = 0;
    while(result == -1) {
        if(buffer)
            delete [] buffer;
        buffer = new char [length + 1];
        result = vsnprintf(buffer, length, format, args);
        length *= 2;
    }
    std::string s(buffer);
    delete [] buffer;
    return s;
}

std::string format(const char *format, ...)
{
    va_list args;
    va_start(args, format);
    std::string s = vformat(format, args);
    va_end(args);
    return s;
}