ref: 3191e80bf7fda36bf0c951b0363cd52fa6ceac6b
dir: /h2stdinc.h/
/* h2stdinc.h includes the minimum necessary stdc headers, defines common and / or missing types. */ #ifndef __H2STDINC_H #define __H2STDINC_H #include <u.h> #include <libc.h> #include <stdio.h> #define uint32_t u32int #define int32_t s32int #define int16_t s16int #define uint16_t u16int #define uint64_t u64int #define int64_t s64int #define intptr_t vlong #define uintptr_t uvlong #define ptrdiff_t vlong #define size_t uvlong #undef PI #define strcasecmp cistrcmp #define strncasecmp cistrncmp /*==========================================================================*/ #ifndef NULL #if defined(__cplusplus) #define NULL 0 #else #define NULL ((void *)0) #endif #endif #define H2MAXCHAR ((char)0x7f) #define H2MAXSHORT ((short)0x7fff) #define H2MAXINT ((int)0x7fffffff) /* max positive 32-bit integer */ #define H2MINCHAR ((char)0x80) #define H2MINSHORT ((short)0x8000) #define H2MININT ((int)0x80000000) /* max negative 32-bit integer */ /* make sure enums are the size of ints for structure packing */ typedef enum { THE_DUMMY_VALUE } THE_DUMMY_ENUM; /*==========================================================================*/ typedef unsigned char byte; #undef true #undef false #if defined(__cplusplus) /* some structures have boolean members and the x86 asm code expect * those members to be 4 bytes long. therefore, boolean must be 32 * bits and it can NOT be binary compatible with the 8 bit C++ bool. */ typedef int boolean; #else typedef enum { false = 0, true = 1 } boolean; #endif /*==========================================================================*/ /* math */ #define FRACBITS 16 #define FRACUNIT (1 << FRACBITS) typedef int fixed_t; /*==========================================================================*/ /* compatibility with M$ types */ #if !defined(_WIN32) #define PASCAL #define FAR #define APIENTRY #endif /* ! WINDOWS */ /*==========================================================================*/ /* compiler specific definitions */ #if !defined(__GNUC__) #define __attribute__(x) #endif /* __GNUC__ */ /* argument format attributes for function * pointers are supported for gcc >= 3.1 */ #if defined(__GNUC__) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 0)) #define __fp_attribute__ __attribute__ #else #define __fp_attribute__(x) #endif /* function optimize attribute is added * starting with gcc 4.4.0 */ #if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 3)) #define __no_optimize __attribute__((__optimize__("0"))) #else #define __no_optimize #endif /*==========================================================================*/ /* Provide a substitute for offsetof() if we don't have one. * This variant works on most (but not *all*) systems... */ #ifndef offsetof #define offsetof(t,m) ((size_t)&(((t *)0)->m)) #endif /*==========================================================================*/ #endif /* __H2STDINC_H */