os-k/kaleid/include/common/kalcrt.h

243 lines
6.2 KiB
C

//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Authors: spectral` //
// NeoX //
// //
// Desc: Kaleid C runtime library //
//----------------------------------------------------------------------------//
#ifndef _KALCRT_H
#define _KALCRT_H
//------------------------------------------//
// Typedefs //
//------------------------------------------//
#ifndef __error_t_defined
#define __error_t_defined
typedef int error_t;
#endif
#ifndef __size_t_defined
#define __size_t_defined
typedef unsigned long size_t;
#endif
#ifndef __va_list_defined
#define __va_list_defined
typedef __builtin_va_list va_list;
#endif
#ifndef __div_t_defined
#define __div_t_defined
typedef struct { int quot, rem; } div_t;
#endif
#ifndef __ldiv_t_defined
#define __ldiv_t_defined
typedef struct { long quot, rem; } ldiv_t;
#endif
//------------------------------------------//
// Global variables //
//------------------------------------------//
#ifndef _KALEID_KERNEL
extern error_t __errno;
#ifndef errno
#define errno __errno
#endif
#define __get_errno(x) error_t x = errno;
#define __set_errno(x) (errno = (x))
#else
#define errno
#define __get_errno(x)
#define __set_errno(x)
#endif
//------------------------------------------//
// Macros //
//------------------------------------------//
#ifndef _NO_MASK
#define _NO_MASK
#endif
//------------------------------------------//
// va_list utilities //
//------------------------------------------//
#ifndef va_start
#define va_start __builtin_va_start
#endif
#ifndef va_arg
#define va_arg __builtin_va_arg
#endif
#ifndef va_copy
#define va_copy __builtin_va_copy
#endif
#ifndef va_end
#define va_end __builtin_va_end
#endif
//------------------------------------------//
// Memory management utilities //
//------------------------------------------//
#ifndef memsetb
#define memsetb memset
#endif
#ifndef memchrb
#define memchrb memchr
#endif
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 *memchr(const void *, int, size_t);
void *memchrw(const void *, int, size_t);
void *memchrd(const void *, int, size_t);
void *memchrq(const 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);
//------------------------------------------//
// String manipulation utilities //
//------------------------------------------//
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);
int xstrncpy(char *restrict, const char *restrict, size_t);
char *strcat (char *restrict, const char *restrict);
char *strncat (char *restrict, const char *restrict, size_t);
int *xstrncat(char *restrict, const char *restrict, size_t);
char *strrev(char *restrict, const char *restrict);
char *strrev2(char *);
int sprintf(char *, const char *, ...);
int snprintf(char *, size_t, const char *, ...);
int vsprintf(char *, const char *, va_list);
int vsnprintf(char *, size_t, const char *, va_list);
//------------------------------------------//
// Type conversion utilities //
//------------------------------------------//
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 *);
unsigned int atou(const char *);
unsigned long atoul(const char *);
long strtol (const char *restrict, char **restrict, int);
unsigned long strtoul(const char *restrict, char **restrict, int);
//------------------------------------------//
// RNG utilities //
//------------------------------------------//
int rand(void);
void srand(unsigned int);
//------------------------------------------//
// Time utilities //
//------------------------------------------//
//------------------------------------------//
// Diverse utilities //
//------------------------------------------//
char *strerror(int);
char *strsignal(int);
//------------------------------------------//
// Arithmetical macros //
//------------------------------------------//
#ifndef __abs
#define __abs
static inline int abs(int x)
{
return x < 0 ? -x : x;
}
#endif
#ifndef __labs
#define __labs
static inline long labs(long x)
{
return x < 0 ? -x : x;
}
#endif
#ifndef __div
#define __div
static inline div_t div(int __x, int __y)
{
div_t __res;
__res.quot = __x/__y;
__res.rem = __x%__y;
return __res;
}
#endif
#ifndef __ldiv
#define __ldiv
static inline ldiv_t ldiv(long __x, long __y)
{
ldiv_t __res;
__res.quot = __x/__y;
__res.rem = __x%__y;
return __res;
}
#endif
//------------------------------------------//
// End of header //
//------------------------------------------//
#endif