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/* $NetBSD: libkern.h,v 1.50 2003/08/13 11:34:24 ragge 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>
#ifndef LIBKERN_INLINE
#define LIBKERN_INLINE static __inline
#define LIBKERN_BODY
#endif
LIBKERN_INLINE int imax __P((int, int)) __attribute__ ((unused));
LIBKERN_INLINE int imin __P((int, int)) __attribute__ ((unused));
LIBKERN_INLINE u_int max __P((u_int, u_int)) __attribute__ ((unused));
LIBKERN_INLINE u_int min __P((u_int, u_int)) __attribute__ ((unused));
LIBKERN_INLINE long lmax __P((long, long)) __attribute__ ((unused));
LIBKERN_INLINE long lmin __P((long, long)) __attribute__ ((unused));
LIBKERN_INLINE u_long ulmax __P((u_long, u_long)) __attribute__ ((unused));
LIBKERN_INLINE u_long ulmin __P((u_long, u_long)) __attribute__ ((unused));
LIBKERN_INLINE int abs __P((int)) __attribute__ ((unused));
LIBKERN_INLINE int isspace __P((int)) __attribute__((__unused__));
LIBKERN_INLINE int isascii __P((int)) __attribute__((__unused__));
LIBKERN_INLINE int isupper __P((int)) __attribute__((__unused__));
LIBKERN_INLINE int islower __P((int)) __attribute__((__unused__));
LIBKERN_INLINE int isalpha __P((int)) __attribute__((__unused__));
LIBKERN_INLINE int isdigit __P((int)) __attribute__((__unused__));
LIBKERN_INLINE int isxdigit __P((int)) __attribute__((__unused__));
LIBKERN_INLINE int toupper __P((int)) __attribute__((__unused__));
LIBKERN_INLINE int tolower __P((int)) __attribute__((__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
#ifdef NDEBUG /* tradition! */
#define assert(e) ((void)0)
#else
#ifdef __STDC__
#define assert(e) (__predict_true((e)) ? (void)0 : \
__assert("", __FILE__, __LINE__, #e))
#else
#define assert(e) (__predict_true((e)) ? (void)0 : \
__assert("", __FILE__, __LINE__, "e"))
#endif
#endif
#ifndef DIAGNOSTIC
#ifdef lint
#define KASSERT(e) /* NOTHING */
#else /* !lint */
#define KASSERT(e) ((void)0)
#endif /* !lint */
#else
#ifdef __STDC__
#define KASSERT(e) (__predict_true((e)) ? (void)0 : \
__assert("diagnostic ", __FILE__, __LINE__, #e))
#else
#define KASSERT(e) (__predict_true((e)) ? (void)0 : \
__assert("diagnostic ", __FILE__, __LINE__, "e"))
#endif
#endif
#ifndef DEBUG
#ifdef lint
#define KDASSERT(e) /* NOTHING */
#else /* lint */
#define KDASSERT(e) ((void)0)
#endif /* lint */
#else
#ifdef __STDC__
#define KDASSERT(e) (__predict_true((e)) ? (void)0 : \
__assert("debugging ", __FILE__, __LINE__, #e))
#else
#define KDASSERT(e) (__predict_true((e)) ? (void)0 : \
__assert("debugging ", __FILE__, __LINE__, "e"))
#endif
#endif
#ifndef offsetof
#define offsetof(type, member) \
((size_t)(unsigned long)(&(((type *)0)->member)))
#endif
/* Prototypes for non-quad routines. */
/* XXX notyet #ifdef _STANDALONE */
int bcmp __P((const void *, const void *, size_t));
void bzero __P((void *, size_t));
/* #endif */
/* Prototypes for which GCC built-ins exist. */
void *memcpy __P((void *, const void *, size_t));
int memcmp __P((const void *, const void *, size_t));
void *memset __P((void *, int, size_t));
#if __GNUC_PREREQ__(2, 95) && !defined(__vax__)
#define memcpy(d, s, l) __builtin_memcpy(d, s, l)
#define memcmp(a, b, l) __builtin_memcmp(a, b, l)
#define memset(d, v, l) __builtin_memset(d, v, l)
#endif
char *strcpy __P((char *, const char *));
int strcmp __P((const char *, const char *));
size_t strlen __P((const char *));
#if __GNUC_PREREQ__(2, 95)
#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 __P((char *, const char *));
char *strncpy __P((char *, const char *, size_t));
int strncmp __P((const char *, const char *, size_t));
char *strchr __P((const char *, int));
char *strrchr __P((const char *, int));
char *strstr __P((const char *, const char *));
/*
* ffs is an instruction on vax.
*/
int ffs __P((int));
#if __GNUC_PREREQ__(2, 95) && !defined(__vax__)
#define ffs(x) __builtin_ffs(x)
#endif
void __assert __P((const char *, const char *, int, const char *))
__attribute__((__noreturn__));
u_int32_t
inet_addr __P((const char *));
char *intoa __P((u_int32_t));
#define inet_ntoa(a) intoa((a).s_addr)
void *memchr __P((const void *, int, size_t));
void *memmove __P((void *, const void *, size_t));
int pmatch __P((const char *, const char *, const char **));
u_int32_t arc4random __P((void));
void arc4randbytes __P((void *, size_t));
u_long random __P((void));
int scanc __P((u_int, const u_char *, const u_char *, int));
int skpc __P((int, size_t, u_char *));
int strcasecmp __P((const char *, const char *));
size_t strlcpy __P((char *, const char *, size_t));
size_t strlcat __P((char *, const char *, size_t));
int strncasecmp __P((const char *, const char *, size_t));
u_long strtoul __P((const char *, char **, int));
#endif /* !_LIB_LIBKERN_LIBKERN_H_ */
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