| .\" ZIP_SOURCE_GET_ARGS -- validate and cast arguments to source callback |
| .\" 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> |
| .\" |
| .\" Redistribution and use in source and binary forms, with or without |
| .\" modification, are permitted provided that the following conditions |
| .\" are met: |
| .\" 1. Redistributions of source code must retain the above copyright |
| .\" notice, this list of conditions and the following disclaimer. |
| .\" 2. Redistributions in binary form must reproduce the above copyright |
| .\" notice, this list of conditions and the following disclaimer in |
| .\" the documentation and/or other materials provided with the |
| .\" distribution. |
| .\" 3. The names of the authors may not be used to endorse or promote |
| .\" products derived from this software without specific prior |
| .\" written permission. |
| .\" |
| .\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS |
| .\" OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY |
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| .\" |
| .Dd December 18, 2017 |
| .Dt ZIP_SOURCE_GET_ARGS 3 |
| .Os |
| .Sh NAME |
| .Nm ZIP_SOURCE_GET_ARGS |
| .Nd validate and cast arguments to source callback |
| .Sh LIBRARY |
| libzip (-lzip) |
| .Sh SYNOPSIS |
| .In zip.h |
| .Ft type * |
| .Fn ZIP_SOURCE_GET_ARGS "type" "void *data" "zip_uint64_t len" "zip_error_t *error" |
| .Sh DESCRIPTION |
| The |
| .Fn ZIP_SOURCE_GET_ARGS |
| macro casts |
| .Ar data |
| to a pointer to |
| .Ar type . |
| .Sh RETURN VALUES |
| On success, |
| .Fn ZIP_SOURCE_GET_ARGS |
| returns |
| .Ar data . |
| In case of error, it returns |
| .Dv NULL |
| and sets |
| .Ar error . |
| .Sh ERRORS |
| .Fn ZIP_SOURCE_GET_ARGS |
| fails if: |
| .Bl -tag -width Er |
| .It Bq Er ZIP_ER_INVAL |
| .Ar len |
| is less than the size of |
| .Ar type |
| .El |
| .Sh SEE ALSO |
| .Xr libzip 3 , |
| .Xr zip_source_function 3 |
| .Sh HISTORY |
| .Fn ZIP_SOURCE_GET_ARGS |
| 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 |