minix/sys/lib/libkern/libkern.h

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/* $NetBSD: libkern.h,v 1.108 2013/08/28 16:20:38 riastradh Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)libkern.h 8.2 (Berkeley) 8/5/94
*/
#ifndef _LIB_LIBKERN_LIBKERN_H_
#define _LIB_LIBKERN_LIBKERN_H_
#include <sys/types.h>
#include <sys/inttypes.h>
#include <sys/null.h>
#ifndef LIBKERN_INLINE
#define LIBKERN_INLINE static __inline
#define LIBKERN_BODY
#endif
LIBKERN_INLINE int imax(int, int) __unused;
LIBKERN_INLINE int imin(int, int) __unused;
LIBKERN_INLINE u_int max(u_int, u_int) __unused;
LIBKERN_INLINE u_int min(u_int, u_int) __unused;
LIBKERN_INLINE long lmax(long, long) __unused;
LIBKERN_INLINE long lmin(long, long) __unused;
LIBKERN_INLINE u_long ulmax(u_long, u_long) __unused;
LIBKERN_INLINE u_long ulmin(u_long, u_long) __unused;
LIBKERN_INLINE int abs(int) __unused;
LIBKERN_INLINE int isspace(int) __unused;
LIBKERN_INLINE int isascii(int) __unused;
LIBKERN_INLINE int isupper(int) __unused;
LIBKERN_INLINE int islower(int) __unused;
LIBKERN_INLINE int isalpha(int) __unused;
LIBKERN_INLINE int isdigit(int) __unused;
LIBKERN_INLINE int isxdigit(int) __unused;
LIBKERN_INLINE int toupper(int) __unused;
LIBKERN_INLINE int tolower(int) __unused;
#ifdef LIBKERN_BODY
LIBKERN_INLINE int
imax(int a, int b)
{
return (a > b ? a : b);
}
LIBKERN_INLINE int
imin(int a, int b)
{
return (a < b ? a : b);
}
LIBKERN_INLINE long
lmax(long a, long b)
{
return (a > b ? a : b);
}
LIBKERN_INLINE long
lmin(long a, long b)
{
return (a < b ? a : b);
}
LIBKERN_INLINE u_int
max(u_int a, u_int b)
{
return (a > b ? a : b);
}
LIBKERN_INLINE u_int
min(u_int a, u_int b)
{
return (a < b ? a : b);
}
LIBKERN_INLINE u_long
ulmax(u_long a, u_long b)
{
return (a > b ? a : b);
}
LIBKERN_INLINE u_long
ulmin(u_long a, u_long b)
{
return (a < b ? a : b);
}
LIBKERN_INLINE int
abs(int j)
{
return(j < 0 ? -j : j);
}
LIBKERN_INLINE int
isspace(int ch)
{
return (ch == ' ' || (ch >= '\t' && ch <= '\r'));
}
LIBKERN_INLINE int
isascii(int ch)
{
return ((ch & ~0x7f) == 0);
}
LIBKERN_INLINE int
isupper(int ch)
{
return (ch >= 'A' && ch <= 'Z');
}
LIBKERN_INLINE int
islower(int ch)
{
return (ch >= 'a' && ch <= 'z');
}
LIBKERN_INLINE int
isalpha(int ch)
{
return (isupper(ch) || islower(ch));
}
LIBKERN_INLINE int
isdigit(int ch)
{
return (ch >= '0' && ch <= '9');
}
LIBKERN_INLINE int
isxdigit(int ch)
{
return (isdigit(ch) ||
(ch >= 'A' && ch <= 'F') ||
(ch >= 'a' && ch <= 'f'));
}
LIBKERN_INLINE int
toupper(int ch)
{
if (islower(ch))
return (ch - 0x20);
return (ch);
}
LIBKERN_INLINE int
tolower(int ch)
{
if (isupper(ch))
return (ch + 0x20);
return (ch);
}
#endif
#define __NULL_STMT do { } while (/* CONSTCOND */ 0)
#define __KASSERTSTR "kernel %sassertion \"%s\" failed: file \"%s\", line %d "
#ifdef NDEBUG /* tradition! */
#define assert(e) ((void)0)
#else
#define assert(e) (__predict_true((e)) ? (void)0 : \
kern_assert(__KASSERTSTR, "", #e, __FILE__, __LINE__))
#endif
#ifdef __COVERITY__
#ifndef DIAGNOSTIC
#define DIAGNOSTIC
#endif
#endif
#define CTASSERT(x) __CTASSERT(x)
#define CTASSERT_SIGNED(x) __CTASSERT(((typeof(x))-1) < 0)
#define CTASSERT_UNSIGNED(x) __CTASSERT(((typeof(x))-1) >= 0)
#ifndef DIAGNOSTIC
#define _DIAGASSERT(a) (void)0
#ifdef lint
#define KASSERTMSG(e, msg, ...) /* NOTHING */
#define KASSERT(e) /* NOTHING */
#else /* !lint */
#define KASSERTMSG(e, msg, ...) ((void)0)
#define KASSERT(e) ((void)0)
#endif /* !lint */
#else /* DIAGNOSTIC */
#define _DIAGASSERT(a) assert(a)
#define KASSERTMSG(e, msg, ...) \
(__predict_true((e)) ? (void)0 : \
kern_assert(__KASSERTSTR msg, "diagnostic ", #e, \
__FILE__, __LINE__, ## __VA_ARGS__))
#define KASSERT(e) (__predict_true((e)) ? (void)0 : \
kern_assert(__KASSERTSTR, "diagnostic ", #e, \
__FILE__, __LINE__))
#endif
#ifndef DEBUG
#ifdef lint
#define KDASSERTMSG(e,msg, ...) /* NOTHING */
#define KDASSERT(e) /* NOTHING */
#else /* lint */
#define KDASSERTMSG(e,msg, ...) ((void)0)
#define KDASSERT(e) ((void)0)
#endif /* lint */
#else
#define KDASSERTMSG(e, msg, ...) \
(__predict_true((e)) ? (void)0 : \
kern_assert(__KASSERTSTR msg, "debugging ", #e, \
__FILE__, __LINE__, ## __VA_ARGS__))
#define KDASSERT(e) (__predict_true((e)) ? (void)0 : \
kern_assert(__KASSERTSTR, "debugging ", #e, \
__FILE__, __LINE__))
#endif
/*
* XXX: For compatibility we use SMALL_RANDOM by default.
*/
#define SMALL_RANDOM
#ifndef offsetof
#if __GNUC_PREREQ__(4, 0)
#define offsetof(type, member) __builtin_offsetof(type, member)
#else
#define offsetof(type, member) \
((size_t)(unsigned long)(&(((type *)0)->member)))
#endif
#endif
#define MTPRNG_RLEN 624
struct mtprng_state {
unsigned int mt_idx;
uint32_t mt_elem[MTPRNG_RLEN];
uint32_t mt_count;
uint32_t mt_sparse[3];
};
/* Prototypes for which GCC built-ins exist. */
void *memcpy(void *, const void *, size_t);
int memcmp(const void *, const void *, size_t);
void *memset(void *, int, size_t);
#if __GNUC_PREREQ__(2, 95) && !defined(_STANDALONE)
#define memcpy(d, s, l) __builtin_memcpy(d, s, l)
#define memcmp(a, b, l) __builtin_memcmp(a, b, l)
#endif
#if __GNUC_PREREQ__(2, 95) && !defined(_STANDALONE)
#define memset(d, v, l) __builtin_memset(d, v, l)
#endif
char *strcpy(char *, const char *);
int strcmp(const char *, const char *);
size_t strlen(const char *);
size_t strnlen(const char *, size_t);
char *strsep(char **, const char *);
#if __GNUC_PREREQ__(2, 95) && !defined(_STANDALONE)
#define strcpy(d, s) __builtin_strcpy(d, s)
#define strcmp(a, b) __builtin_strcmp(a, b)
#define strlen(a) __builtin_strlen(a)
#endif
/* Functions for which we always use built-ins. */
#ifdef __GNUC__
#define alloca(s) __builtin_alloca(s)
#endif
/* These exist in GCC 3.x, but we don't bother. */
char *strcat(char *, const char *);
char *strncpy(char *, const char *, size_t);
int strncmp(const char *, const char *, size_t);
char *strchr(const char *, int);
char *strrchr(const char *, int);
char *strstr(const char *, const char *);
/*
* ffs is an instruction on vax.
*/
int ffs(int);
#if __GNUC_PREREQ__(2, 95) && (!defined(__vax__) || __GNUC_PREREQ__(4,1))
#define ffs(x) __builtin_ffs(x)
#endif
void kern_assert(const char *, ...)
__attribute__((__format__(__printf__, 1, 2)));
unsigned int
bcdtobin(unsigned int);
unsigned int
bintobcd(unsigned int);
u_int32_t
inet_addr(const char *);
struct in_addr;
int inet_aton(const char *, struct in_addr *);
char *intoa(u_int32_t);
#define inet_ntoa(a) intoa((a).s_addr)
void *memchr(const void *, int, size_t);
void *memmove(void *, const void *, size_t);
int pmatch(const char *, const char *, const char **);
#ifndef SMALL_RANDOM
void srandom(unsigned long);
char *initstate(unsigned long, char *, size_t);
char *setstate(char *);
#endif /* SMALL_RANDOM */
long random(void);
void mtprng_init32(struct mtprng_state *, uint32_t);
void mtprng_initarray(struct mtprng_state *, const uint32_t *, size_t);
uint32_t mtprng_rawrandom(struct mtprng_state *);
uint32_t mtprng_random(struct mtprng_state *);
int scanc(u_int, const u_char *, const u_char *, int);
int skpc(int, size_t, u_char *);
int strcasecmp(const char *, const char *);
size_t strlcpy(char *, const char *, size_t);
size_t strlcat(char *, const char *, size_t);
int strncasecmp(const char *, const char *, size_t);
u_long strtoul(const char *, char **, int);
long long strtoll(const char *, char **, int);
unsigned long long strtoull(const char *, char **, int);
uintmax_t strtoumax(const char *, char **, int);
int snprintb(char *, size_t, const char *, uint64_t);
int snprintb_m(char *, size_t, const char *, uint64_t, size_t);
int kheapsort(void *, size_t, size_t, int (*)(const void *, const void *),
void *);
uint32_t crc32(uint32_t, const uint8_t *, size_t);
unsigned int popcount(unsigned int) __constfunc;
unsigned int popcountl(unsigned long) __constfunc;
unsigned int popcountll(unsigned long long) __constfunc;
unsigned int popcount32(uint32_t) __constfunc;
unsigned int popcount64(uint64_t) __constfunc;
void *explicit_memset(void *, int, size_t);
int consttime_memequal(const void *, const void *, size_t);
#endif /* !_LIB_LIBKERN_LIBKERN_H_ */