2fe8fb192f
There is important information about booting non-ack images in docs/UPDATING. ack/aout-format images can't be built any more, and booting clang/ELF-format ones is a little different. Updating to the new boot monitor is recommended. Changes in this commit: . drop boot monitor -> allowing dropping ack support . facility to copy ELF boot files to /boot so that old boot monitor can still boot fairly easily, see UPDATING . no more ack-format libraries -> single-case libraries . some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases . drop several ack toolchain commands, but not all support commands (e.g. aal is gone but acksize is not yet). . a few libc files moved to netbsd libc dir . new /bin/date as minix date used code in libc/ . test compile fix . harmonize includes . /usr/lib is no longer special: without ack, /usr/lib plays no kind of special bootstrapping role any more and bootstrapping is done exclusively through packages, so releases depend even less on the state of the machine making them now. . rename nbsd_lib* to lib* . reduce mtree
129 lines
4.4 KiB
C
129 lines
4.4 KiB
C
/* $NetBSD: local.h,v 1.29 2010/10/24 17:44:32 tron Exp $ */
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/*-
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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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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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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. 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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* @(#)local.h 8.3 (Berkeley) 7/3/94
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*/
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#include "wcio.h"
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#include "fileext.h"
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#include <limits.h>
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#include <stdbool.h>
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/*
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* Information local to this implementation of stdio,
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* in particular, macros and private variables.
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*/
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extern int __sflush __P((FILE *));
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extern FILE *__sfp __P((void));
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extern void __sfpinit __P((FILE *));
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extern int __srefill __P((FILE *));
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extern int __sread __P((void *, char *, int));
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extern int __swrite __P((void *, char const *, int));
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extern fpos_t __sseek __P((void *, fpos_t, int));
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extern int __sclose __P((void *));
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extern void __sinit __P((void));
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extern void _cleanup __P((void));
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extern void (*__cleanup) __P((void));
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extern void __smakebuf __P((FILE *));
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extern int __swhatbuf __P((FILE *, size_t *, int *));
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extern int _fwalk __P((int (*)(FILE *)));
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extern char *_mktemp __P((char *));
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extern int __swsetup __P((FILE *));
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extern int __sflags __P((const char *, int *));
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extern int __svfscanf __P((FILE * __restrict, const char * __restrict,
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_BSD_VA_LIST_))
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__attribute__((__format__(__scanf__, 2, 0)));
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extern int __svfscanf_unlocked __P((FILE * __restrict, const char * __restrict,
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_BSD_VA_LIST_))
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__attribute__((__format__(__scanf__, 2, 0)));
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extern int __vfprintf_unlocked __P((FILE * __restrict, const char * __restrict,
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_BSD_VA_LIST_));
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extern int __sdidinit;
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extern int __gettemp __P((char *, int *, int));
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extern wint_t __fgetwc_unlock __P((FILE *));
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extern wint_t __fputwc_unlock __P((wchar_t, FILE *));
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extern ssize_t __getdelim(char **__restrict, size_t *__restrict, int,
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FILE *__restrict);
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extern char *__fgetstr __P((FILE * __restrict, size_t * __restrict, int));
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extern int __vfwprintf_unlocked __P((FILE *, const wchar_t *,
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_BSD_VA_LIST_));
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extern int __vfwscanf_unlocked __P((FILE * __restrict,
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const wchar_t * __restrict, _BSD_VA_LIST_));
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/*
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* Return true iff the given FILE cannot be written now.
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*/
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#define cantwrite(fp) \
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((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \
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__swsetup(fp))
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/*
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* Test whether the given stdio file has an active ungetc buffer;
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* release such a buffer, without restoring ordinary unread data.
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*/
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#define HASUB(fp) (_UB(fp)._base != NULL)
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#define FREEUB(fp) { \
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if (_UB(fp)._base != (fp)->_ubuf) \
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free((char *)_UB(fp)._base); \
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_UB(fp)._base = NULL; \
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}
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/*
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* test for an fgetln() buffer.
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*/
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#define FREELB(fp) { \
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free(_EXT(fp)->_fgetstr_buf); \
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_EXT(fp)->_fgetstr_buf = NULL; \
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_EXT(fp)->_fgetstr_len = 0; \
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}
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extern void __flockfile_internal __P((FILE *, int));
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extern void __funlockfile_internal __P((FILE *, int));
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/*
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* Detect if the current file position fits in a long int.
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*/
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static __inline bool
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__fpos_overflow(fpos_t pos)
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{
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return (pos < LONG_MIN) || (pos > LONG_MAX);
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}
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