402 lines
12 KiB
C
402 lines
12 KiB
C
//----------------------------------------------------------------------------//
|
|
// GNU GPL OS/K //
|
|
// //
|
|
// Desc: C Runtime Library //
|
|
// //
|
|
// //
|
|
// Copyright © 2018-2019 The OS/K Team //
|
|
// //
|
|
// This file is part of OS/K. //
|
|
// //
|
|
// OS/K 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 //
|
|
// any later version. //
|
|
// //
|
|
// OS/K 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 OS/K. If not, see <https://www.gnu.org/licenses/>. //
|
|
//----------------------------------------------------------------------------//
|
|
|
|
#ifndef _LIBC_H
|
|
#define _LIBC_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
typedef unsigned char uchar;
|
|
typedef signed char schar;
|
|
typedef unsigned short ushort;
|
|
typedef unsigned int uint;
|
|
typedef unsigned long ulong;
|
|
typedef signed long long llong;
|
|
typedef unsigned long long ullong;
|
|
typedef long double ldouble;
|
|
|
|
typedef unsigned long size_t;
|
|
typedef signed long ssize_t;
|
|
typedef signed int wchar_t;
|
|
typedef unsigned long off_t;
|
|
typedef unsigned long time_t;
|
|
typedef signed long ptrdiff_t;
|
|
typedef signed long intptr_t;
|
|
typedef unsigned long uintptr_t;
|
|
typedef signed long intmax_t;
|
|
typedef unsigned long uintmax_t;
|
|
|
|
typedef uint error_t;
|
|
typedef __builtin_va_list va_list;
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
#ifndef _KALEID_KERNEL
|
|
|
|
extern error_t __errno;
|
|
#define errno __errno
|
|
#define geterrno(x) ((x) = errno)
|
|
#define seterrno(x) (errno = (x))
|
|
|
|
#else
|
|
|
|
#define errno
|
|
#define geterrno(x) ((void)x)
|
|
#define seterrno(x) ((void)x)
|
|
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
#if defined(_NO_DEBUG) || defined(NDEBUG)
|
|
#ifndef NDEBUG
|
|
#define NDEBUG 1
|
|
#endif
|
|
#ifndef _NO_DEBUG
|
|
#define _NO_DEBUG 1
|
|
#endif
|
|
#endif
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
#define alignof _Alignof
|
|
#define alignas _Alignas
|
|
|
|
#define static_assert _Static_assert
|
|
#define noreturn __attribute__((__noreturn__))
|
|
|
|
#define likely(x) (__builtin_expect((x), 1))
|
|
#define unlikely(x) (__builtin_expect((x), 0))
|
|
|
|
#define va_start __builtin_va_start
|
|
#define va_arg __builtin_va_arg
|
|
#define va_copy __builtin_va_copy
|
|
#define va_end __builtin_va_end
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
void *memset(void *, int, size_t);
|
|
void *memsetw(void *, int, size_t);
|
|
void *memsetd(void *, int, size_t);
|
|
void *memsetq(void *, long, size_t);
|
|
|
|
void *memrchr(const void *, int, size_t);
|
|
|
|
void *memcpy(void *restrict, const void *restrict, size_t);
|
|
void *memmove(void *, const void *, size_t);
|
|
|
|
void *memzero(void *, size_t);
|
|
int memcmp(const void *, const void *, size_t);
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
size_t strlen(const char *);
|
|
size_t strspn(const char *, const char *);
|
|
size_t strcspn(const char *, const char *);
|
|
|
|
int strcmp(const char *, const char *);
|
|
int strncmp(const char *, const char *, size_t);
|
|
|
|
char *strchr(const char *, int);
|
|
char *strrchr(const char *, int);
|
|
char *strchrnul(const char *, int);
|
|
|
|
char *strstr(const char *, const char *);
|
|
char *strpbrk(const char *, const char *);
|
|
|
|
char *strtok(char *restrict, const char *restrict);
|
|
char *strtok_r(char *restrict, const char *restrict, char **restrict);
|
|
|
|
char *strcpy(char *restrict, const char *restrict);
|
|
char *strncpy(char *restrict, const char *restrict, size_t);
|
|
char *strnzcpy(char *restrict, const char *restrict, size_t);
|
|
|
|
char *strcat(char *restrict, const char *restrict);
|
|
char *strncat(char *restrict, const char *restrict, size_t);
|
|
char *strnzcat(char *restrict, const char *restrict, size_t);
|
|
|
|
char *strrev(char *restrict, const char *restrict);
|
|
char *strrev2(char *);
|
|
|
|
size_t sprintf(char *, const char *, ...);
|
|
size_t vsprintf(char *, const char *, va_list);
|
|
|
|
// These return the number of bytes **written**
|
|
// not the number of bytes which would have been
|
|
// written had the buffer been large enough
|
|
size_t snprintf(char *, size_t, const char *, ...);
|
|
size_t vsnprintf(char *, size_t, const char *, va_list);
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
char *itoa(int, char *, int);
|
|
char *ltoa(long, char *, int);
|
|
char *utoa(unsigned int, char *, int);
|
|
char *ultoa(unsigned long, char *, int);
|
|
|
|
int atoi(const char *);
|
|
long atol(const char *);
|
|
long strtol(const char *restrict, char **restrict, int);
|
|
|
|
unsigned int atou(const char *);
|
|
unsigned long atoul(const char *);
|
|
unsigned long strtoul(const char *restrict, char **restrict, int);
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
void *calloc(size_t, size_t) __attribute__((__malloc__));
|
|
void *memalign(size_t n, size_t align) __attribute__((__malloc__));
|
|
void *malloc(size_t) __attribute__((__malloc__));
|
|
void free(void *);
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
int rand(void);
|
|
void srand(unsigned long);
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
const char *strerror(error_t);
|
|
const char *strsignal(int);
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
int toupper(int);
|
|
int tolower(int);
|
|
|
|
static inline int isascii(int __c)
|
|
{ return !(__c & ~0xff); }
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
extern int __ctype[];
|
|
|
|
#define _SH(x) (1 << (x))
|
|
|
|
enum
|
|
{
|
|
_CT = _SH(0), // control
|
|
_PR = _SH(1), // printing
|
|
_GR = _SH(2), // graphical
|
|
_DX = _SH(3), // hex digit
|
|
_DG = _SH(4), // decimal digit
|
|
_SP = _SH(5), // space
|
|
_BK = _SH(6), // blank
|
|
_PT = _SH(7), // punctuation
|
|
_AL = _SH(8), // alpha
|
|
_UP = _SH(9), // upper alpha
|
|
_LW = _SH(10), // lower alpha
|
|
};
|
|
|
|
#define _DECF(name, flag) \
|
|
static inline int name(int __c) \
|
|
{ return isascii(__c) ? !!(__ctype[__c] & flag) : 0; }
|
|
|
|
_DECF(iscntrl, _CT);
|
|
_DECF(isprint, _PR);
|
|
_DECF(isgraph, _GR);
|
|
_DECF(isdigit, _DG);
|
|
_DECF(isspace, _SP);
|
|
_DECF(isblank, _BK);
|
|
_DECF(ispunct, _PT);
|
|
_DECF(isalpha, _AL);
|
|
_DECF(isupper, _UP);
|
|
_DECF(islower, _LW);
|
|
_DECF(isxdigit, _DX);
|
|
_DECF(isalnum, (_AL|_DG));
|
|
|
|
#undef _SH
|
|
#undef _DECF
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
static inline int min(int __x, int __y) { return __x < __y ? __x : __y; }
|
|
static inline int max(int __x, int __y) { return __x > __y ? __x : __y; }
|
|
static inline int abs(int __x) { return __x < 0 ? -__x : __x; }
|
|
|
|
static inline long lmin(long __x, long __y) { return __x < __y ? __x : __y; }
|
|
static inline long lmax(long __x, long __y) { return __x > __y ? __x : __y; }
|
|
static inline long labs(long __x) { return __x < 0 ? -__x : __x; }
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
noreturn void __assert_handler(const char *, const char *, int, const char *);
|
|
|
|
#define assert_always(x) do { if unlikely (!(x)) \
|
|
__assert_handler(#x, __FILE__, __LINE__, __func__); } while (0)
|
|
|
|
#ifndef NDEBUG
|
|
#define assert(x) assert_always(x)
|
|
#else
|
|
#define assert(x) ((void)0)
|
|
#endif
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
|
|
#define _SA_MSG "Incompatible type sizes"
|
|
static_assert(sizeof(char) == 1, _SA_MSG);
|
|
static_assert(sizeof(short) == 2, _SA_MSG);
|
|
static_assert(sizeof(int) == 4, _SA_MSG);
|
|
static_assert(sizeof(long) == 8, _SA_MSG);
|
|
static_assert(sizeof(void *) == 8, _SA_MSG);
|
|
#undef _SA_MSG
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
#define KB (1UL << 10)
|
|
#define MB (1UL << 20)
|
|
#define GB (1UL << 30)
|
|
#define TB (1UL << 40)
|
|
|
|
#define TRUE 1
|
|
#define FALSE 0
|
|
#define NULL 0L
|
|
#define BOOL int
|
|
|
|
#ifndef __cplusplus
|
|
#define bool int
|
|
#define true 1
|
|
#define false 0
|
|
#endif
|
|
|
|
#define RAND_MAX (1 << 30)
|
|
#define INITOK ((unsigned int)0xCAFEBABE)
|
|
|
|
#define _STR(x) #x
|
|
#define _XSTR(x) _STR(x)
|
|
|
|
#define _ALIGN_UP(x, s) (((x) + (s) - 1) & (~((s) - 1)))
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
#define BYTE unsigned char
|
|
#define WORD unsigned short
|
|
#define DWORD unsigned int
|
|
#define QWORD unsigned long
|
|
|
|
#define CHAR_BIT 8
|
|
#define BITS_IN(T) (sizeof(T) * CHAR_BIT)
|
|
|
|
#define _ADDR_TO_MB(x) ((x)>>20)
|
|
#define _ADDR_TO_KB(x) (((x)>>10)&(KB-1))
|
|
#define _ADDR_TO_B(x) ((x)&(KB-1))
|
|
|
|
#define SCHAR_MAX 0x7F
|
|
#define SHRT_MAX 0x7FFF
|
|
#define INT_MAX 0x7FFFFFFF
|
|
#define LONG_MAX 0x7FFFFFFFFFFFFFFFL
|
|
#define UCHAR_MAX 0xFFU
|
|
#define USHRT_MAX 0xFFFFU
|
|
#define UINT_MAX 0xFFFFFFFFU
|
|
#define ULONG_MAX 0xFFFFFFFFFFFFFFFFUL
|
|
|
|
#define SCHAR_MIN (-SCHAR_MAX - 1)
|
|
#define SHRT_MIN (-SHRT_MAX - 1)
|
|
#define INT_MIN (-INT_MAX - 1)
|
|
#define LONG_MIN (-LONG_MAX - 1L)
|
|
|
|
#ifdef __CHAR_UNSIGNED__
|
|
# define CHAR_MIN ((char)0)
|
|
# define CHAR_MAX ((char)UCHAR_MAX)
|
|
#else
|
|
# define CHAR_MIN ((char)SCHAR_MIN)
|
|
# define CHAR_MAX ((char)SCHAR_MAX)
|
|
#endif
|
|
|
|
#define SSIZE_T_MIN LONG_MIN
|
|
#define SSIZE_T_MAX LONG_MAX
|
|
#define SIZE_T_MAX ULONG_MAX
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
#define atomic_xadd(P, V) __sync_fetch_and_add((P), (V))
|
|
#define atomic_cmpxchg(P, O, N) __sync_val_compare_and_swap((P), (O), (N))
|
|
#define atomic_inc(P) __sync_add_and_fetch((P), 1)
|
|
#define atomic_dec(P) __sync_add_and_fetch((P), -1)
|
|
#define atomic_add(P, V) __sync_add_and_fetch((P), (V))
|
|
#define atomic_set_bit(P, V) __sync_or_and_fetch((P), 1<<(V))
|
|
#define atomic_clear_bit(P, V) __sync_and_and_fetch((P), ~(1<<(V)))
|
|
|
|
#define atomic_barrier() __sync_synchronize()
|
|
|
|
#define __relax_cpu() asm volatile("pause\n": : : "memory")
|
|
|
|
static inline void *atomic_xchg_64(volatile void *ptr, void *x)
|
|
{
|
|
asm volatile ("xchgq %0,%1"
|
|
:"=r" ((ulong) x)
|
|
:"m" (*(volatile long *)ptr), "0" ((ulong) x)
|
|
:"memory");
|
|
|
|
return x;
|
|
}
|
|
|
|
static inline unsigned atomic_xchg_32(volatile void *ptr, uint x)
|
|
{
|
|
asm volatile ("xchgl %0,%1"
|
|
:"=r" ((uint) x)
|
|
:"m" (*(volatile uint *)ptr), "0" (x)
|
|
:"memory");
|
|
|
|
return x;
|
|
}
|
|
|
|
static inline unsigned short atomic_xchg_16(volatile void *ptr, ushort x)
|
|
{
|
|
asm volatile ("xchgw %0,%1"
|
|
:"=r" ((unsigned short) x)
|
|
:"m" (*(volatile ushort *)ptr), "0" (x)
|
|
:"memory");
|
|
|
|
return x;
|
|
}
|
|
|
|
static inline char atomic_bitsetandtest(volatile void *ptr, int x)
|
|
{
|
|
char out;
|
|
asm volatile ("lock; bts %2,%1\n"
|
|
"sbb %0,%0\n"
|
|
:"=r" (out), "=m" (*(volatile long *)ptr)
|
|
:"Ir" (x)
|
|
:"memory");
|
|
|
|
return out;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|