guacamole-spice-protocol/src/protocols/rdp/ptr_string.c

56 lines
1.5 KiB
C

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#include "config.h"
#include "ptr_string.h"
#include <guacamole/client.h>
#include <stdio.h>
#include <stdlib.h>
/**
* The maximum number of bytes required to represent a pointer printed using
* printf()'s "%p". This will be the size of the hex prefix ("0x"), null
* terminator, plus two bytes for every byte required by a pointer.
*/
#define GUAC_RDP_PTR_STRING_LENGTH (sizeof("0x") + (sizeof(void*) * 2))
char* guac_rdp_ptr_to_string(void* data) {
/* Convert pointer to string */
char* str = malloc(GUAC_RDP_PTR_STRING_LENGTH);
sprintf(str, "%p", data);
return str;
}
void* guac_rdp_string_to_ptr(const char* str) {
void* data;
/* Convert string to pointer */
sscanf(str, "%p", &data);
return data;
}