| .\" zip_source_seek.mdoc -- set read offset in source |
| .\" Copyright (C) 2014-2017 Dieter Baron and Thomas Klausner |
| .\" |
| .\" This file is part of libzip, a library to manipulate ZIP archives. |
| .\" The authors can be contacted at <libzip@nih.at> |
| .\" |
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| .\" 3. The names of the authors may not be used to endorse or promote |
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| .\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS |
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| .Dd December 18, 2017 |
| .Dt ZIP_SOURCE_SEEK 3 |
| .Os |
| .Sh NAME |
| .Nm zip_source_seek |
| .Nd set read offset in zip source |
| .Sh LIBRARY |
| libzip (-lzip) |
| .Sh SYNOPSIS |
| .In zip.h |
| .Ft int |
| .Fn zip_source_seek "zip_source_t *source" "zip_int64_t offset" "int whence" |
| .Sh DESCRIPTION |
| The function |
| .Fn zip_source_seek |
| sets the current read offset for |
| .Fa source . |
| Just like in |
| .Xr fseek 3 , |
| depending on the |
| .Ar whence |
| argument, the |
| .Ar offset |
| is counted relative from: |
| .Bl -tag -width SEEK_CURXX -offset indent |
| .It Dv SEEK_SET |
| start of file |
| .It Dv SEEK_CUR |
| current read offset in file |
| .It Dv SEEK_END |
| end of file |
| .El |
| .Sh RETURN VALUES |
| Upon successful completion 0 is returned. |
| Otherwise, \-1 is returned and the error information in |
| .Ar source |
| is set to indicate the error. |
| .Sh SEE ALSO |
| .Xr libzip 3 , |
| .Xr zip_source 3 , |
| .Xr zip_source_read 3 , |
| .Xr zip_source_tell 3 |
| .Sh HISTORY |
| .Fn zip_source_seek |
| was added in libzip 1.0. |
| .Sh AUTHORS |
| .An -nosplit |
| .An Dieter Baron Aq Mt dillo@nih.at |
| and |
| .An Thomas Klausner Aq Mt tk@giga.or.at |
