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| zip_source_window.mdoc -- create zip data source overlay |
| Copyright (C) 2021 Dieter Baron and Thomas Klausner |
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| <head> |
| <meta charset="utf-8"/> |
| <link rel="stylesheet" href="../nih-man.css" type="text/css" media="all"/> |
| <title>ZIP_SOURCE_WINDOW(3)</title> |
| </head> |
| <body> |
| <table class="head"> |
| <tr> |
| <td class="head-ltitle">ZIP_SOURCE_WINDOW(3)</td> |
| <td class="head-vol">Library Functions Manual</td> |
| <td class="head-rtitle">ZIP_SOURCE_WINDOW(3)</td> |
| </tr> |
| </table> |
| <div class="manual-text"> |
| <section class="Sh"> |
| <h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> |
| <code class="Nm">zip_source_window_create</code> — |
| <div class="Nd">create zip data source overlay</div> |
| </section> |
| <section class="Sh"> |
| <h1 class="Sh" id="LIBRARY"><a class="permalink" href="#LIBRARY">LIBRARY</a></h1> |
| libzip (-lzip) |
| </section> |
| <section class="Sh"> |
| <h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> |
| <code class="In">#include <<a class="In">zip.h</a>></code> |
| <p class="Pp"><var class="Ft">zip_source_t *</var> |
| <br/> |
| <code class="Fn">zip_source_window_create</code>(<var class="Fa" style="white-space: nowrap;">zip_source_t |
| *source</var>, <var class="Fa" style="white-space: nowrap;">zip_uint64_t |
| start</var>, <var class="Fa" style="white-space: nowrap;">zip_int64_t |
| len</var>, <var class="Fa" style="white-space: nowrap;">zip_error_t |
| *error</var>);</p> |
| </section> |
| <section class="Sh"> |
| <h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> |
| The <code class="Fn">zip_source_window_create</code>() function create a zip |
| source from an underlying zip source, restricting access to a particular |
| window starting at byte <var class="Ar">start</var> and having size |
| <var class="Ar">len</var>. If <var class="Ar">len</var> is -1, the window |
| spans to the end of the underlying source. |
| </section> |
| <section class="Sh"> |
| <h1 class="Sh" id="RETURN_VALUES"><a class="permalink" href="#RETURN_VALUES">RETURN |
| VALUES</a></h1> |
| Upon successful completion, the created source is returned. Otherwise, |
| <code class="Dv">NULL</code> is returned and the error code in |
| <var class="Ar">error</var> is set to indicate the error. |
| </section> |
| <section class="Sh"> |
| <h1 class="Sh" id="ERRORS"><a class="permalink" href="#ERRORS">ERRORS</a></h1> |
| <code class="Fn">zip_source_window_create</code>() fails if: |
| <dl class="Bl-tag"> |
| <dt>[<a class="permalink" href="#ZIP_ER_INVAL"><code class="Er" id="ZIP_ER_INVAL">ZIP_ER_INVAL</code></a>]</dt> |
| <dd><var class="Ar">src</var> is <code class="Dv">NULL</code>; there is an |
| integer overflow adding <var class="Ar">start</var> and |
| <var class="Ar">len</var>; or <var class="Ar">len</var> is less than |
| -1.</dd> |
| <dt>[<a class="permalink" href="#ZIP_ER_MEMORY"><code class="Er" id="ZIP_ER_MEMORY">ZIP_ER_MEMORY</code></a>]</dt> |
| <dd>Required memory could not be allocated.</dd> |
| </dl> |
| </section> |
| <section class="Sh"> |
| <h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE |
| ALSO</a></h1> |
| <a class="Xr" href="libzip.html">libzip(3)</a>, |
| <a class="Xr" href="zip_source.html">zip_source(3)</a> |
| <a class="Xr" href="zip_source.html">zip_source(3)</a> |
| </section> |
| <section class="Sh"> |
| <h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> |
| <code class="Fn">zip_source_window_create</code>() was added in libzip 1.8.0. |
| </section> |
| <section class="Sh"> |
| <h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> |
| <span class="An">Dieter Baron</span> |
| <<a class="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>> and |
| <span class="An">Thomas Klausner</span> |
| <<a class="Mt" href="mailto:tk@giga.or.at">tk@giga.or.at</a>> |
| </section> |
| </div> |
| <table class="foot"> |
| <tr> |
| <td class="foot-date">April 29, 2021</td> |
| <td class="foot-os">NiH</td> |
| </tr> |
| </table> |
| </body> |
| </html> |
