611dc22e73
This change makes all the standard library and kernel headers use header guards with a consistent scheme within the reserved namespace to avoid conflicts with non-standard-library-implementation code.
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/*
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* Copyright (c) 2012, 2013 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* ioleast.h
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* Versions of {,p}{read,write} that don't return until it has returned as much
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* data as requested, end of file, or an error occurs. This is sometimes needed
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* as read(2) and write(2) is not always guaranteed to fill up the entire
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* buffer or write it all.
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*/
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#ifndef _INCLUDE_IOLEAST_H
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#define _INCLUDE_IOLEAST_H
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#include <sys/cdefs.h>
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#include <sys/__/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef __off_t_defined
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#define __off_t_defined
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typedef __off_t off_t;
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#endif
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#ifndef __size_t_defined
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#define __size_t_defined
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#define __need_size_t
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#include <stddef.h>
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#endif
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size_t preadall(int fd, void* buf, size_t count, off_t off);
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size_t preadleast(int fd, void* buf, size_t least, size_t max, off_t off);
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size_t pwriteall(int fd, const void* buf, size_t count, off_t off);
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size_t pwriteleast(int fd, const void* buf, size_t least, size_t max, off_t off);
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size_t readall(int fd, void* buf, size_t count);
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size_t readleast(int fd, void* buf, size_t least, size_t max);
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size_t writeall(int fd, const void* buf, size_t count);
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size_t writeleast(int fd, const void* buf, size_t least, size_t max);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif
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