/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT read_touch_frame(RdpeiServerContext *context, wStream *s, RDPINPUT_TOUCH_FRAME *frame)
{
int i;
RDPINPUT_CONTACT_DATA *contact;
UINT error;
if (!rdpei_read_2byte_unsigned(s, &frame->contactCount) || !rdpei_read_8byte_unsigned(s, &frame->frameOffset))
{
WLog_ERR(TAG, "rdpei_read_ failed!");
return ERROR_INTERNAL_ERROR;
}
frame->contacts = contact = calloc(frame->contactCount, sizeof(RDPINPUT_CONTACT_DATA));
if (!frame->contacts)
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
for (i = 0; i < frame->contactCount; i++, contact++)
{
if ((error = read_touch_contact_data(context, s, contact)))
{
WLog_ERR(TAG, "read_touch_contact_data failed with error %lu!", error);
frame->contactCount = i;
touch_frame_reset(frame);
return error;
}
}
return CHANNEL_RC_OK;
}
static int read_touch_frame(RdpeiServerContext *context, wStream *s, RDPINPUT_TOUCH_FRAME *frame)
{
int i;
RDPINPUT_CONTACT_DATA *contact;
if (!rdpei_read_2byte_unsigned(s, &frame->contactCount) || !rdpei_read_8byte_unsigned(s, &frame->frameOffset))
return -1;
frame->contacts = contact = calloc(frame->contactCount, sizeof(RDPINPUT_CONTACT_DATA));
if (!frame->contacts)
return -1;
for (i = 0; i < frame->contactCount; i++, contact++)
{
if (read_touch_contact_data(context, s, contact) < 0)
{
frame->contactCount = i;
goto out_cleanup;
}
}
return 0;
out_cleanup:
touch_frame_reset(frame);
return -1;
}