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/**
* This file is part of Hercules.
* http://herc.ws - http://github.com/HerculesWS/Hercules
*
* Copyright (C) 2012-2018 Hercules Dev Team
* Copyright (C) Athena Dev Teams
*
* Hercules 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef COMMON_UTILS_H
#define COMMON_UTILS_H
#include "common/hercules.h"
#include <stdio.h> // FILE*
#ifndef WIN32
# include <unistd.h> // sleep()
#endif
/* [HCache] 1-byte key to ensure our method is the latest, we can modify to ensure the method matches */
#define HCACHE_KEY 'k'
//Caps values to min/max
#define cap_value(a, min, max) (((a) >= (max)) ? (max) : ((a) <= (min)) ? (min) : (a))
#ifdef HERCULES_CORE
// generate a hex dump of the first 'length' bytes of 'buffer'
void WriteDump(FILE* fp, const void* buffer, size_t length);
void ShowDump(const void* buffer, size_t length);
void findfile(const char *p, const char *pat, void (func)(const char *, void *), void *context);
bool exists(const char* filename);
/// calculates the value of A / B, in percent (rounded down)
unsigned int get_percentage(const unsigned int A, const unsigned int B);
uint64 get_percentage64(const uint64 A, const uint64 B);
int64 apply_percentrate64(int64 value, int rate, int maxrate);
int apply_percentrate(int value, int rate, int maxrate);
const char* timestamp2string(char* str, size_t size, time_t timestamp, const char* format);
//////////////////////////////////////////////////////////////////////////
// byte word dword access [Shinomori]
//////////////////////////////////////////////////////////////////////////
extern uint8 GetByte(uint32 val, int idx);
extern uint16 GetWord(uint32 val, int idx);
extern uint16 MakeWord(uint8 byte0, uint8 byte1);
extern uint32 MakeDWord(uint16 word0, uint16 word1);
//////////////////////////////////////////////////////////////////////////
// Big-endian compatibility functions
//////////////////////////////////////////////////////////////////////////
extern int16 MakeShortLE(int16 val);
extern int32 MakeLongLE(int32 val);
extern uint16 GetUShort(const unsigned char* buf);
extern uint32 GetULong(const unsigned char* buf);
extern int32 GetLong(const unsigned char* buf);
extern float GetFloat(const unsigned char* buf);
size_t hread(void * ptr, size_t size, size_t count, FILE * stream);
size_t hwrite(const void * ptr, size_t size, size_t count, FILE * stream);
#endif // HERCULES_CORE
#ifdef WIN32
#define HSleep(x) Sleep(1000 * (x))
#else // ! WIN32
#define HSleep(x) sleep(x)
#endif
/* [Ind/Hercules] Caching */
struct HCache_interface {
void (*init) (void);
/* */
bool (*check) (const char *file);
FILE *(*open) (const char *file, const char *opt);
/* */
time_t recompile_time;
bool enabled;
};
#ifdef HERCULES_CORE
void HCache_defaults(void);
#endif // HERCULES_CORE
HPShared struct HCache_interface *HCache;
#endif /* COMMON_UTILS_H */
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