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23adf828d5
explicit use of `[unsigned] long long' and `[u]quad_t'. Fixed disorder of and lack of comments for the types added in the previous two commits. Improved some comments. The comments should be elswhere (not duplicated in every MD file).
114 lines
5.1 KiB
C
114 lines
5.1 KiB
C
/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ansi.h 8.2 (Berkeley) 1/4/94
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* $Id: ansi.h,v 1.14 1998/01/08 00:27:30 alex Exp $
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*/
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#ifndef _MACHINE_ANSI_H_
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#define _MACHINE_ANSI_H_
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/*
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* Types which are fundamental to the implementation and must be declared
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* in more than one standard header are defined here. Standard headers
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* then use:
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* #ifdef _BSD_SIZE_T_
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* typedef _BSD_SIZE_T_ size_t;
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* #undef _BSD_SIZE_T_
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* #endif
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*/
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#define _BSD_CLOCK_T_ unsigned long /* clock()... */
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#define _BSD_CLOCKID_T_ int /* clock_gettime()... */
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#define _BSD_PTRDIFF_T_ int /* ptr1 - ptr2 */
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#define _BSD_RUNE_T_ _BSD_CT_RUNE_T_ /* rune_t (see below) */
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#define _BSD_SIZE_T_ unsigned int /* sizeof() */
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#define _BSD_SSIZE_T_ int /* byte count or error */
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#define _BSD_TIME_T_ long /* time()... */
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#define _BSD_TIMER_T_ int /* timer_gettime()... */
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#define _BSD_UINT8_T_ unsigned char /* unsigned exactly 8 bits */
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#define _BSD_UINT16_T_ unsigned short /* unsigned exactly 16 bits */
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#define _BSD_UINT32_T_ unsigned int /* unsigned exactly 32 bits */
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#define _BSD_WCHAR_T_ _BSD_CT_RUNE_T_ /* wchar_t (see below) */
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/*
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* Types which are fundamental to the implementation and must be used
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* in more than one standard header although they are only declared in
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* one (perhaps nonstandard) header are defined here. Standard headers
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* use _BSD_XXX_T_ without undef'ing it.
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*/
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#define _BSD_CT_RUNE_T_ int /* arg type for ctype funcs */
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#define _BSD_OFF_T_ __int64_t /* file offset */
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#define _BSD_PID_T_ int /* process [group] */
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#define _BSD_VA_LIST_ char * /* va_list */
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/*
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* The rune type is declared to be an ``int'' instead of the more natural
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* ``unsigned long'' or ``long''. Two things are happening here. It is not
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* unsigned so that EOF (-1) can be naturally assigned to it and used. Also,
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* it looks like 10646 will be a 31 bit standard. This means that if your
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* ints cannot hold 32 bits, you will be in trouble. The reason an int was
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* chosen over a long is that the is*() and to*() routines take ints (says
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* ANSI C), but they use _BSD_CT_RUNE_T_ instead of int. By changing it
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* here, you lose a bit of ANSI conformance, but your programs will still
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* work.
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*/
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/*
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* Frequencies of the clock ticks reported by clock() and times(). They
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* are the same as stathz for bogus historical reasons. They should be
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* 1e6 because clock() and times() are implemented using getrusage() and
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* there is no good reason why they should be less accurate. There is
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* the bad reason that (broken) programs might not like clock_t or
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* CLOCKS_PER_SEC being ``double'' (``unsigned long'' is not large enough
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* to hold the required 24 hours worth of ticks if the frequency is
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* 1000000ul, and ``unsigned long long'' would be nonstandard).
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*/
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#define _BSD_CLK_TCK_ 128
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#define _BSD_CLOCKS_PER_SEC_ 128
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/*
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* Typedefs for especially magic types. #define's wouldn't work in the
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* __GNUC__ case, since __attribute__(()) only works in certain contexts.
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* This is not in <machine/types.h>, since that has too much namespace
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* pollution for inclusion in ANSI headers, yet we need __int64_t in at
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* least <stdio.h>.
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*/
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#ifdef __GNUC__
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typedef int __attribute__((__mode__(__DI__))) __int64_t;
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typedef unsigned int __attribute__((__mode__(__DI__))) __uint64_t;
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#else
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typedef long long __int64_t;
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typedef unsigned long long __uint64_t;
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#endif
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#endif /* !_MACHINE_ANSI_H_ */
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