74 lines
2.2 KiB
Groff
74 lines
2.2 KiB
Groff
.\" Copyright (c) 2011 Joseph Koshy. 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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.\"
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.\" This software is provided by Joseph Koshy ``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 Joseph Koshy 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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.\" $Id: elftc_copyfile.3 2315 2011-12-11 09:28:55Z jkoshy $
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.\"
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.Dd December 11, 2011
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.Os
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.Dt ELFTC_COPYFILE 3
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.Sh NAME
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.Nm elftc_copyfile
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.Nd convenience function to copy data
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.Sh LIBRARY
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.Lb libelftc
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.Sh SYNOPSIS
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.In libelftc.h
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.Ft in
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.Fn elftc_copyfile "int ifd" "int ofd"
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.Sh DESCRIPTION
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The function
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.Fn elftc_copyfile
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copies the contents of the file referenced by argument
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.Ar ifd
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to the file referenced by argument
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.Ar ofd .
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.Pp
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The argument
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.Ar ifd
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should contain a file descriptor opened for reading, with its file
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offset at the beginning of the file.
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.Pp
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The argument
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.Ar ofd
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should contain a file descriptor opened for writing.
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.Sh RETURN VALUE
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.Rv -std
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.Sh ERRORS
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The function
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.Fn elftc_copyfile
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may fail with any of the errors returned by
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.Xr fstat 2 ,
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.Xr malloc 3 ,
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.Xr mmap 2 ,
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.Xr munmap 2 ,
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.Xr read 2
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or
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.Xr write 2 .
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.Sh SEE ALSO
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.Xr fstat 2 ,
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.Xr malloc 3 ,
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.Xr mmap 2 ,
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.Xr munmap 2 ,
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.Xr read 2 ,
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.Xr write 2
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