79 lines
2.6 KiB
Text
79 lines
2.6 KiB
Text
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.\" zip_source_read.mdoc -- read data from zip source
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.\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner
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.\"
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.\" This file is part of libzip, a library to manipulate ZIP archives.
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.\" The authors can be contacted at <libzip@nih.at>
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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
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.\" the documentation and/or other materials provided with the
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.\" distribution.
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.\" 3. The names of the authors may not be used to endorse or promote
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.\" products derived from this software without specific prior
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.\" written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
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.\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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.\" GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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.\" IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd December 18, 2017
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.Dt ZIP_SOURCE_READ 3
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.Os
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.Sh NAME
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.Nm zip_source_read
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.Nd read data from zip source
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.Sh LIBRARY
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libzip (-lzip)
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.Sh SYNOPSIS
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.In zip.h
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.Ft zip_int64_t
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.Fn zip_source_read "zip_source_t *source" "void *data" "zip_uint64_t len"
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.Sh DESCRIPTION
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The function
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.Fn zip_source_read
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reads up to
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.Ar len
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bytes of data from
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.Ar source
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at the current read offset into the buffer
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.Ar data .
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.Pp
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The zip source
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.Ar source
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has to be opened for reading by calling
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.Xr zip_source_open 3
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first.
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.Sh RETURN VALUES
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Upon successful completion the number of bytes read is returned.
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Upon reading end-of-file, zero is returned.
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Otherwise, \-1 is returned and the error information in
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.Ar source
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is set to indicate the error.
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.Sh SEE ALSO
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.Xr libzip 3 ,
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.Xr zip_source 3 ,
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.Xr zip_source_seek 3 ,
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.Xr zip_source_tell 3 ,
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.Xr zip_source_write 3
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.Sh HISTORY
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.Fn zip_source_read
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was added in libzip 1.0.
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.Sh AUTHORS
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.An -nosplit
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.An Dieter Baron Aq Mt dillo@nih.at
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and
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.An Thomas Klausner Aq Mt tk@giga.or.at
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