Function sysutil_check_name_string

ps3fw/cellSysutil.cpp:404–459

Common string checks used in libsysutil functions

// Common string checks used in libsysutil functions
s32 sysutil_check_name_string(const char* src, s32 minlen, s32 maxlen)
{
	s32 lastpos;

	if (g_ps3_process_info.sdk_ver > 0x36FFFF)
	{
		// Limit null terminator boundary to before buffer max size
		lastpos = std::max(maxlen - 1, 0);
	}
	else
	{
		// Limit null terminator boundary to one after buffer max size
		lastpos = maxlen;
	}

	char cur = src[0];

	if (cur == '_')
	{
		// Invalid character at start
		return -1;
	}

	for (s32 index = 0;; cur = src[++index])
	{
		if (cur == '\0' || index == maxlen)
		{
			if (minlen > index || (maxlen == index && src[lastpos]))
			{
				// String length is invalid
				return -2;
			}

			// OK
			return 0;
		}

		if (cur >= 'A' && cur <= 'Z')
		{
			continue;
		}

		if (cur >= '0' && cur <= '9')
		{
			continue;
		}

		if (cur == '-' || cur == '_')
		{
			continue;
		}

		// Invalid character found
		return -1;
	}
}

error_code _cellSysutilGetSystemParamInt()