52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2012, 2013.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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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 <features.h>
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#include <sys/__/types.h>
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__BEGIN_DECLS
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@include(off_t.h)
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@include(size_t.h)
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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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__END_DECLS
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#endif
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