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types.h
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types.h
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/***************************************************************
* PRXTool : Utility for PSP executables.
* (c) TyRaNiD 2k5
*
* types.h - Definition of basic cross platform types.
***************************************************************/
#ifndef __TYPES_H__
#define __TYPES_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#include "_stdint.h"
#else
#include <sys/types.h>
#define uint8_t u_int8_t
#define uint16_t u_int16_t
#define uint32_t u_int32_t
#define uint64_t u_int64_t
#endif
/* Re-define some system types */
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
typedef int8_t s8;
typedef int16_t s16;
typedef int32_t s32;
typedef int64_t s64;
#ifdef WORDS_BIGENDIAN
inline u32 lw_le(u32 data)
{
u8 *ptr;
u32 val;
ptr = (u8*) &data;
val = ptr[0] | (ptr[1] << 8) | (ptr[2] << 16) | (ptr[3] << 24);
return val;
}
inline u16 lh_le(u16 data)
{
u8 *ptr;
u16 val;
ptr = (u8*) &data;
val = ptr[0] | (ptr[1] << 8);
return val;
}
#define LW_LE(x) (lw_le((x)))
#define LW_BE(x) (x)
#define LH_LE(x) (lh_le((x)))
#define LH_BE(x) (x)
#else
inline u32 lw_be(u32 data)
{
u8 *ptr;
u32 val;
ptr = (u8*) &data;
val = (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
return val;
}
inline u16 lh_be(u16 data)
{
u8 *ptr;
u16 val;
ptr = (u8*) &data;
val = (ptr[0] << 16) | ptr[1];
return val;
}
#define LW_LE(x) (x)
#define LW_BE(x) (lw_be((x)))
#define LH_LE(x) (x)
#define LH_BE(x) (lh_be((x)))
#endif
#define LW(x) (LW_LE(x))
#define LH(x) (LH_LE(x))
#ifdef WORDS_BIGENDIAN
inline void sw_le(u32 *data, u32 val)
{
u8* ptr = (u8*) data;
ptr[0] = (u8) (val & 0xFF);
ptr[1] = (u8) ((val >> 8) & 0xFF);
ptr[2] = (u8) ((val >> 16) & 0xFF);
ptr[3] = (u8) ((val >> 24) & 0xFF);
}
inline void sh_le(u16 *data, u16 val)
{
u8 *ptr = (u8*) data;
ptr[0] = (u8) (val & 0xFF);
ptr[1] = (u8) ((val >> 8) & 0xFF);
}
#define SW_LE(x, v) (sw_le((u32*) &(x), (v)))
#define SW_BE(x, v) ((x) = (v))
#define SH_LE(x, v) (sh_le((u16*) &(x), (v)))
#define SH_BE(x, v) ((x) = (v))
#else
inline void sw_be(u32 *data, u32 val)
{
u8 *ptr = (u8*) data;
ptr[0] = (u8) ((val >> 24) & 0xFF);
ptr[1] = (u8) ((val >> 16) & 0xFF);
ptr[2] = (u8) ((val >> 8) & 0xFF);
ptr[3] = (u8) (val & 0xFF);
}
inline void sh_be(u16 *data, u16 val)
{
u8* ptr = (u8*) data;
ptr[0] = (u8) ((val >> 8) & 0xFF);
ptr[1] = (u8) (val & 0xFF);
}
#define SW_LE(x, v) ((x) = (v))
#define SW_BE(x, v) (sw_be((u32*) &(x), (v)))
#define SH_LE(x, v) ((x) = (v))
#define SH_BE(x, v) (sh_be((u16*) &(x), (v)))
#endif
#define SW(x, v) (SW_LE(x, v))
#define SH(x, v) (SH_LE(x, v))
/* Do a safe alloc which should work on vc6 or latest gcc etc */
/* If alloc fails will always return NULL */
#define SAFE_ALLOC(p, t) try { (p) = new t; } catch(...) { (p) = NULL; }
#ifndef MAXPATH
#define MAXPATH 256
#endif
#endif