blankart/src/doomtype.h
Alug 1ce0c7d5af fastcmp.h: mark fastcmp functions as pure
this might let the compiler optimize aways subsequent calls in some cases
strcmp etc from glibc also does it
prayin nothin changes the locale at runtime lmao
2025-12-15 21:03:01 -05:00

365 lines
8.6 KiB
C

// BLANKART
//-----------------------------------------------------------------------------
// Copyright (C) 1993-1996 by id Software, Inc.
// Copyright (C) 1998-2000 by DooM Legacy Team.
// Copyright (C) 1999-2020 by Sonic Team Junior.
//
// This program is free software distributed under the
// terms of the GNU General Public License, version 2.
// See the 'LICENSE' file for more details.
//-----------------------------------------------------------------------------
/// \file doomtype.h
/// \brief SRB2 standard types
///
/// Simple basic typedefs, isolated here to make it easier
/// separating modules.
#ifndef __DOOMTYPE__
#define __DOOMTYPE__
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _WIN32
//#define WIN32_LEAN_AND_MEAN
#define RPC_NO_WINDOWS_H
#include <windows.h>
#endif
/* 7.18.1.1 Exact-width integer types */
#define __STDC_LIMIT_MACROS
#include <stdint.h>
#define UINT8 uint8_t
#define SINT8 int8_t
#define UINT16 uint16_t
#define INT16 int16_t
#define INT32 int32_t
#define UINT32 uint32_t
#define INT64 int64_t
#define UINT64 uint64_t
#ifdef __APPLE_CC__
#define DEBUG_LOG
#define NOIPX
#endif
/* Strings and some misc platform specific stuff */
#if (defined (__unix__) && !defined (MSDOS)) || defined(__APPLE__) || defined (UNIXCOMMON)
#undef stricmp
#define stricmp(x,y) strcasecmp(x,y)
#undef strnicmp
#define strnicmp(x,y,n) strncasecmp(x,y,n)
#endif
char *nongnu_strcasestr(const char *in, const char *what);
#ifndef _GNU_SOURCE
#define strcasestr nongnu_strcasestr
#endif
#if defined (PC_DOS) || defined (_WIN32) || defined (__HAIKU__)
#define HAVE_DOSSTR_FUNCS
#endif
#if defined (__APPLE__)
#define SRB2_HAVE_STRLCPY
#elif defined (__GLIBC_PREREQ)
// glibc 2.38: added strlcpy and strlcat to _DEFAULT_SOURCE
#if __GLIBC_PREREQ(2, 38)
#define SRB2_HAVE_STRLCPY
#endif
#endif
#ifndef HAVE_DOSSTR_FUNCS
int strupr(char *n); // from dosstr.c
int strlwr(char *n); // from dosstr.c
#endif
#include <stddef.h> // for size_t
#ifndef SRB2_HAVE_STRLCPY
#ifdef __cplusplus
extern "C" {
#endif
size_t strlcat(char *dst, const char *src, size_t siz);
size_t strlcpy(char *dst, const char *src, size_t siz);
#ifdef __cplusplus
}
#endif
#endif
// Macro for use with char foo[FOOSIZE+1] type buffers.
// Never use this with a buffer that is a "char *" or passed
// into the function as an argument.
//
// In those cases sizeof will return the size of the pointer,
// not the number of bytes in the buffer.
#define STRBUFCPY(dst,src) strlcpy(dst, src, sizeof dst)
/* Boolean type definition */
// Note: C++ bool and C99/C11 _Bool are NOT compatible.
// Historically, boolean was win32 BOOL on Windows. For equivalence, it's now
// int32_t. "true" and "false" are only declared for C code; in C++, conversion
// between "bool" and "int32_t" takes over.
#ifndef _WIN32
typedef int32_t boolean;
#else
#define boolean BOOL
#endif
#ifndef __cplusplus
#ifndef _WIN32
#define false 0
#define true 1
#else
#define false FALSE
#define true TRUE
#endif
#endif
/* 7.18.2.1 Limits of exact-width integer types */
#ifndef INT8_MIN
#define INT8_MIN (-128)
#endif
#ifndef INT16_MIN
#define INT16_MIN (-32768)
#endif
#ifndef INT32_MIN
#define INT32_MIN (-2147483647 - 1)
#endif
#ifndef INT64_MIN
#define INT64_MIN (-9223372036854775807LL - 1)
#endif
#ifndef INT8_MAX
#define INT8_MAX 127
#endif
#ifndef INT16_MAX
#define INT16_MAX 32767
#endif
#ifndef INT32_MAX
#define INT32_MAX 2147483647
#endif
#ifndef INT64_MAX
#define INT64_MAX 9223372036854775807LL
#endif
#ifndef UINT8_MAX
#define UINT8_MAX 0xff /* 255U */
#endif
#ifndef UINT16_MAX
#define UINT16_MAX 0xffff /* 65535U */
#endif
#ifndef UINT32_MAX
#define UINT32_MAX 0xffffffff /* 4294967295U */
#endif
#ifndef UINT64_MAX
#define UINT64_MAX 0xffffffffffffffffULL /* 18446744073709551615ULL */
#endif
/* Compiler-specific attributes and other macros */
#ifdef __GNUC__ // __attribute__ ((X))
#define FUNCNORETURN __attribute__ ((noreturn))
#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) && defined (__MINGW32__) // MinGW, >= GCC 4.1
#include "inttypes.h"
#if 0 //defined (__USE_MINGW_ANSI_STDIO) && __USE_MINGW_ANSI_STDIO > 0
#define FUNCPRINTF __attribute__ ((format(gnu_printf, 1, 2)))
#define FUNCDEBUG __attribute__ ((format(gnu_printf, 2, 3)))
#define FUNCIERROR __attribute__ ((format(gnu_printf, 1, 2),noreturn))
#elif (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) // >= GCC 4.4
#define FUNCPRINTF __attribute__ ((format(ms_printf, 1, 2)))
#define FUNCDEBUG __attribute__ ((format(ms_printf, 2, 3)))
#define FUNCIERROR __attribute__ ((format(ms_printf, 1, 2),noreturn))
#else
#define FUNCPRINTF __attribute__ ((format(printf, 1, 2)))
#define FUNCDEBUG __attribute__ ((format(printf, 2, 3)))
#define FUNCIERROR __attribute__ ((format(printf, 1, 2),noreturn))
#endif
#else
#define FUNCPRINTF __attribute__ ((format(printf, 1, 2)))
#define FUNCDEBUG __attribute__ ((format(printf, 2, 3)))
#define FUNCIERROR __attribute__ ((format(printf, 1, 2),noreturn))
#endif
#ifndef FUNCIERROR
#define FUNCIERROR __attribute__ ((noreturn))
#endif
#define FUNCMATH __attribute__((const))
#if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) // >= GCC 3.1
#define FUNCDEAD __attribute__ ((deprecated))
#define FUNCINLINE __attribute__((always_inline))
#define PUREFUNC __attribute__((pure))
#define FUNCNONNULL __attribute__((nonnull))
#endif
#define FUNCNOINLINE __attribute__((noinline))
#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) // >= GCC 4.4
#ifdef __i386__ // i386 only
#define FUNCTARGET(X) __attribute__ ((__target__ (X)))
#endif
#endif
#if defined (__MINGW32__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) && !defined(__clang__) // MinGW, >= GCC 3.4, not Clang
#define ATTRPACK __attribute__((packed, gcc_struct))
#else
#define ATTRPACK __attribute__((packed))
#endif
#define ATTRUNUSED __attribute__((unused))
#endif
#ifndef FUNCPRINTF
#define FUNCPRINTF
#endif
#ifndef FUNCDEBUG
#define FUNCDEBUG
#endif
#ifndef FUNCNORETURN
#define FUNCNORETURN
#endif
#ifndef FUNCIERROR
#define FUNCIERROR
#endif
#ifndef FUNCMATH
#define FUNCMATH
#endif
#ifndef FUNCDEAD
#define FUNCDEAD
#endif
#ifndef FUNCINLINE
#define FUNCINLINE
#endif
#ifndef FUNCNONNULL
#define FUNCNONNULL
#endif
#ifndef FUNCNOINLINE
#define FUNCNOINLINE
#endif
#ifndef FUNCTARGET
#define FUNCTARGET(x)
#endif
#ifndef ATTRPACK
#define ATTRPACK
#endif
#ifndef ATTRUNUSED
#define ATTRUNUSED
#endif
#ifndef ATTRNORETURN
#define ATTRNORETURN
#endif
#ifndef ATTRINLINE
#define ATTRINLINE inline
#endif
#ifndef ATTRNOINLINE
#define ATTRNOINLINE
#endif
#ifndef PUREFUNC
#define PUREFUNC
#endif
/* Miscellaneous types that don't fit anywhere else (Can this be changed?) */
typedef struct
{
UINT8 red;
UINT8 green;
UINT8 blue;
UINT8 alpha;
} byteColor_t;
union FColorRGBA
{
UINT32 rgba;
byteColor_t s;
} ATTRPACK;
typedef union FColorRGBA RGBA_t;
typedef UINT32 lumpnum_t; // 16 : 16 unsigned long (wad num: lump num)
#define LUMPERROR UINT32_MAX
typedef UINT32 tic_t;
#define INFTICS UINT32_MAX
typedef UINT64 longtic_t;
#define INFLONGTICS UINT64_MAX
#include "endian.h" // This is needed to make sure the below macro acts correctly in big endian builds
#ifdef SRB2_BIG_ENDIAN
#define UINT2RGBA(a) a
#else
#define UINT2RGBA(a) (UINT32)((a&0xff)<<24)|((a&0xff00)<<8)|((a&0xff0000)>>8)|(((UINT32)a&0xff000000)>>24)
#endif
#define TOSTR(x) #x
/* preprocessor dumb and needs second macro to expand input */
#define WSTRING2(s) L ## s
#define WSTRING(s) WSTRING2 (s)
/*
A hack by Monster Iestyn: Return a pointer to a field of
a struct from a pointer to another field in the struct.
Needed for some lua shenanigans.
*/
#define FIELDFROM( type, field, have, want ) \
(void *)((intptr_t)(field) - offsetof (type, have) + offsetof (type, want))
typedef UINT8 bitarray_t;
#define BIT_ARRAY_SIZE(n) (((n) + 7) >> 3)
static inline int
in_bit_array (const bitarray_t * const array, const int value)
{
return (array[value >> 3] & (1<<(value & 7)));
}
static inline void
set_bit_array (bitarray_t * const array, const int value)
{
array[value >> 3] |= (1<<(value & 7));
}
static inline void
unset_bit_array (bitarray_t * const array, const int value)
{
array[value >> 3] &= ~(1<<(value & 7));
}
typedef UINT64 precise_t;
#define intsign(n) \
((n) < 0 ? -1 : (n) > 0 ? 1 : 0)
// ISO C forbids function pointer -> void pointer cast but
// if it's wrapped in a struct, we can take a pointer to
// that struct and it's fine...
// Cast function pointer to (void*)
typedef union {
void (*f)(void);
void *v;
} func_ptr_cast_union;
#define FUNCPTRCAST(p) (((func_ptr_cast_union){(void(*)(void))(p)}).v)
#include "typedef.h"
#ifdef __cplusplus
} // extern "C"
#endif
#endif //__DOOMTYPE__