[MetaHook] SearchPattern function

By Nagi

void *SearchPattern(void *pStartSearch, DWORD dwSearchLen, char *pPattern, DWORD dwPatternLen)
{
    DWORD dwStartAddr = (DWORD)pStartSearch;
    DWORD dwEndAddr = dwStartAddr + dwSearchLen - dwPatternLen;

    while (dwStartAddr < dwEndAddr)
    {
        bool found = true;

        for (DWORD i = 0; i < dwPatternLen; i++)
        {
            char code = *(char *)(dwStartAddr + i);

            if (pPattern[i] != 0x2A && pPattern[i] != code)
            {
                found = false;
                break;
            }
        }

        if (found)
            return (void *)dwStartAddr;

        dwStartAddr++;
    }

    return 0;
}