/* util.h
*
* Wrapper functions and data structures
*
* Slitheen - a decoy routing system for censorship resistance
* Copyright (C) 2017 Cecylia Bocovich (cbocovic@uwaterloo.ca)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with the OpenSSL library (or a modified version of that library),
* containing parts covered by the terms of the OpenSSL Licence and the
* SSLeay license, the licensors of this Program grant you additional
* permission to convey the resulting work. Corresponding Source for a
* non-source form of such a combination shall include the source code
* for the parts of the OpenSSL library used as well as that of the covered
* work.
*/
#ifndef UTIL_H
#define UTIL_H
#include
#include
/* Defined debugging types */
#ifdef DEBUG_HS
#define DEBUG_HS 1
#else
#define DEBUG_HS 0
#endif
#ifdef DEBUG_CRYPTO
#define DEBUG_CRYPTO 1
#else
#define DEBUG_CRYPTO 0
#endif
#ifdef DEBUG_FLOW
#define DEBUG_FLOW 1
#else
#define DEBUG_FLOW 0
#endif
#ifdef DEBUG_UP
#define DEBUG_UP 1
#else
#define DEBUG_UP 0
#endif
#ifdef DEBUG_PROXY
#define DEBUG_PROXY 1
#else
#define DEBUG_PROXY 0
#endif
#ifdef DEBUG_DOWN
#define DEBUG_DOWN 1
#else
#define DEBUG_DOWN 0
#endif
/* Debugging macros */
#define DEBUG_MSG(type, ...) \
do { \
if(type) printf(__VA_ARGS__); \
} while(0)
#define DEBUG_BYTES(type, ptr, len) \
do { \
if(type) { \
for(int i=0; i < len; i++) printf("%02x ", ptr[i]); \
printf("\n"); \
} \
} while(0)
void *smalloc(size_t size);
void *scalloc(size_t nmemb, size_t size);
typedef struct queue_st queue;
queue *init_queue();
void enqueue(queue *list, void *data);
void *dequeue(queue *list);
void *peek(queue *list, int32_t n);
void remove_queue(queue *list);
#endif /* UTIL_H */