/*
* function called when the file transfer is initiated. file content should be feed into object LinphoneContent
* */
LinphoneBuffer * file_transfer_send(LinphoneChatMessage *message, const LinphoneContent* content, size_t offset, size_t size){
LinphoneBuffer *lb;
size_t file_size;
size_t size_to_send;
FILE *file_to_send;
uint8_t *buf;
if (size == 0) return linphone_buffer_new(); /*end of file*/
file_to_send = linphone_chat_message_get_user_data(message);
fseek(file_to_send, 0, SEEK_END);
file_size = ftell(file_to_send);
fseek(file_to_send, offset, SEEK_SET);
size_to_send = MIN(size, file_size - offset);
buf = ms_malloc(size_to_send);
if (fread(buf, size_to_send, 1, file_to_send)!=size_to_send){
ms_error("fread error");
}
lb = linphone_buffer_new_from_data(buf, size_to_send);
ms_free(buf);
return lb;
}
/*
* function called when the file transfer is initiated. file content should be feed into object LinphoneContent
* */
static LinphoneBuffer * file_transfer_send(LinphoneChatMessage *message, const LinphoneContent* content, size_t offset, size_t size){
size_t size_to_send = MIN(size, sizeof(big_file) - offset);
if (size == 0) return linphone_buffer_new(); /*end of file*/
return linphone_buffer_new_from_data((uint8_t *)big_file + offset, size_to_send);
}