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// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// See the LICENSE file
// Portions Copyright (c) Athena Dev Teams
#ifndef _COMMON_UTILS_H_
#define _COMMON_UTILS_H_
#include "../common/cbasetypes.h"
#include <stdio.h> // FILE*
#include <time.h>
/* [HCache] 1-byte key to ensure our method is the latest, we can modify to ensure the method matches */
#define HCACHE_KEY 'k'
// 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*));
bool exists(const char* filename);
//Caps values to min/max
#define cap_value(a, min, max) (((a) >= (max)) ? (max) : ((a) <= (min)) ? (min) : (a))
/// calculates the value of A / B, in percent (rounded down)
unsigned int get_percentage(const unsigned int A, const unsigned int B);
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);
/* [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;
};
struct HCache_interface *HCache;
void HCache_defaults(void);
#endif /* _COMMON_UTILS_H_ */
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