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<!DOCTYPE html>
<html>
<!-- This is an automatically generated file. Do not edit.
libzip.mdoc -- general overview of available functions
Copyright (C) 2005-2024 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
The authors can be contacted at <[email protected]>
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
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-->
<head>
<meta charset="utf-8"/>
<link rel="stylesheet" href="../nih-man.css" type="text/css" media="all"/>
<title>LIBZIP(3)</title>
</head>
<body>
<table class="head">
<tr>
<td class="head-ltitle">LIBZIP(3)</td>
<td class="head-vol">Library Functions Manual</td>
<td class="head-rtitle">LIBZIP(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">libzip</code> —
<div class="Nd">library for manipulating zip archives</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>
</section>
<section class="Sh">
<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
<code class="Nm">libzip</code> is a library for reading, creating, and modifying
zip archives.
<p class="Pp">The main design criteria for <code class="Nm">libzip</code>
were:</p>
<ul class="Bl-bullet Bl-compact">
<li>Do not create corrupt files, even in case of errors.</li>
<li>Do not delete data.</li>
<li>Be efficient.</li>
</ul>
<p class="Pp">For this reason, when modifying zip archives,
<code class="Nm">libzip</code> writes to a temporary file and replaces the
original zip archive atomically.</p>
<p class="Pp">Below there are two sections listing functions: one for how to
read from zip archives and one for how to create/modify them.</p>
</section>
<section class="Sh">
<h1 class="Sh" id="GENERAL_NOTES"><a class="permalink" href="#GENERAL_NOTES">GENERAL
NOTES</a></h1>
Unless explicitly documented, functions should not be passed
<code class="Dv">NULL</code> pointers as arguments.
</section>
<section class="Sh">
<h1 class="Sh" id="FILE_NAMES"><a class="permalink" href="#FILE_NAMES">FILE
NAMES</a></h1>
<section class="Ss">
<h2 class="Ss" id="Encoding"><a class="permalink" href="#Encoding">Encoding</a></h2>
Names of files in the host file system are expected in UTF-8 encoding. On
Windows, variants for ASCII and UTF-16 are also available.
<p class="Pp">Names of files inside archives are by default expected in UTF-8
encoding. Other encodings can be requested by using the flags
<code class="Dv">ZIP_FL_ENC_CP437</code> and
<code class="Dv">ZIP_FL_ENC_RAW</code>.</p>
<p class="Pp">For details see the relevant man pages.</p>
</section>
<section class="Ss">
<h2 class="Ss" id="Directory_Separator"><a class="permalink" href="#Directory_Separator">Directory
Separator</a></h2>
The zip format requires the use of forward slash (‘/’) as
directory separator. Since backslash (‘\’) can be part of a
valid file name on Unix systems, <code class="Nm">libzip</code> does not
automatically convert them, even on Windows. It is the responsibility of the
programmer to ensure that all directory separators are passed as forward
slashes to <code class="Nm">libzip</code>.
</section>
</section>
<section class="Sh">
<h1 class="Sh" id="THREAD_SAFETY"><a class="permalink" href="#THREAD_SAFETY">THREAD
SAFETY</a></h1>
In general, different zip archives opened by <code class="Nm">libzip</code> are
independent of each other and can be used by parallel-running threads without
locking. If you want to use an archive from multiple threads, you have to
synchronize access to it yourself. If you use an archive as a source for
<a class="Xr" href="zip_file_add.html">zip_file_add(3)</a> or
<a class="Xr" href="zip_file_replace.html">zip_file_replace(3)</a>, access to
the target archive must be synchronized with access to the source archive as
well.
</section>
<section class="Sh">
<h1 class="Sh" id="READING_ZIP_ARCHIVES"><a class="permalink" href="#READING_ZIP_ARCHIVES">READING
ZIP ARCHIVES</a></h1>
<section class="Ss">
<h2 class="Ss" id="Open_Archive"><a class="permalink" href="#Open_Archive">Open
Archive</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_open.html">zip_open(3)</a></li>
<li><a class="Xr" href="zip_fdopen.html">zip_fdopen(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Find_Files"><a class="permalink" href="#Find_Files">Find
Files</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_name_locate.html">zip_name_locate(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Read_Files"><a class="permalink" href="#Read_Files">Read
Files</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_fopen.html">zip_fopen(3)</a></li>
<li><a class="Xr" href="zip_fopen_encrypted.html">zip_fopen_encrypted(3)</a></li>
<li><a class="Xr" href="zip_fopen_index.html">zip_fopen_index(3)</a></li>
<li><a class="Xr" href="zip_fopen_index_encrypted.html">zip_fopen_index_encrypted(3)</a></li>
<li><a class="Xr" href="zip_fread.html">zip_fread(3)</a></li>
<li><a class="Xr" href="zip_file_is_seekable.html">zip_file_is_seekable(3)</a></li>
<li><a class="Xr" href="zip_fseek.html">zip_fseek(3)</a> (uncompressed files
only)</li>
<li><a class="Xr" href="zip_ftell.html">zip_ftell(3)</a></li>
<li><a class="Xr" href="zip_fclose.html">zip_fclose(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Close_Archive"><a class="permalink" href="#Close_Archive">Close
Archive</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_close.html">zip_close(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Miscellaneous"><a class="permalink" href="#Miscellaneous">Miscellaneous</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_stat.html">zip_stat(3)</a></li>
<li><a class="Xr" href="zip_compression_method_supported.html">zip_compression_method_supported(3)</a></li>
<li><a class="Xr" href="zip_encryption_method_supported.html">zip_encryption_method_supported(3)</a></li>
<li><a class="Xr" href="zip_file_get_comment.html">zip_file_get_comment(3)</a></li>
<li><a class="Xr" href="zip_file_get_external_attributes.html">zip_file_get_external_attributes(3)</a></li>
<li><a class="Xr" href="zip_get_archive_comment.html">zip_get_archive_comment(3)</a></li>
<li><a class="Xr" href="zip_get_archive_flag.html">zip_get_archive_flag(3)</a></li>
<li><a class="Xr" href="zip_get_name.html">zip_get_name(3)</a></li>
<li><a class="Xr" href="zip_get_num_entries.html">zip_get_num_entries(3)</a></li>
<li><a class="Xr" href="zip_set_default_password.html">zip_set_default_password(3)</a></li>
<li><a class="Xr" href="zip_source_pass_to_lower_layer.html">zip_source_pass_to_lower_layer(3)</a></li>
</ul>
</section>
</section>
<section class="Sh">
<h1 class="Sh" id="CREATING/MODIFYING_ZIP_ARCHIVES"><a class="permalink" href="#CREATING/MODIFYING_ZIP_ARCHIVES">CREATING/MODIFYING
ZIP ARCHIVES</a></h1>
<section class="Ss">
<h2 class="Ss" id="Create/Open_Archive"><a class="permalink" href="#Create/Open_Archive">Create/Open
Archive</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_open.html">zip_open(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Add/Change_Files_and_Directories"><a class="permalink" href="#Add/Change_Files_and_Directories">Add/Change
Files and Directories</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_dir_add.html">zip_dir_add(3)</a></li>
<li><a class="Xr" href="zip_file_add.html">zip_file_add(3)</a></li>
<li><a class="Xr" href="zip_file_replace.html">zip_file_replace(3)</a></li>
<li><a class="Xr" href="zip_file_set_comment.html">zip_file_set_comment(3)</a></li>
<li><a class="Xr" href="zip_file_set_dostime.html">zip_file_set_dostime(3)</a></li>
<li><a class="Xr" href="zip_file_set_external_attributes.html">zip_file_set_external_attributes(3)</a></li>
<li><a class="Xr" href="zip_file_set_encryption.html">zip_file_set_encryption(3)</a></li>
<li><a class="Xr" href="zip_file_set_mtime.html">zip_file_set_mtime(3)</a></li>
<li><a class="Xr" href="zip_set_file_compression.html">zip_set_file_compression(3)</a></li>
<li><a class="Xr" href="zip_source_buffer.html">zip_source_buffer(3)</a></li>
<li><a class="Xr" href="zip_source_file.html">zip_source_file(3)</a></li>
<li><a class="Xr" href="zip_source_filep.html">zip_source_filep(3)</a></li>
<li><a class="Xr" href="zip_source_free.html">zip_source_free(3)</a></li>
<li><a class="Xr" href="zip_source_function.html">zip_source_function(3)</a></li>
<li><a class="Xr" href="zip_source_layered.html">zip_source_layered(3)</a></li>
<li><a class="Xr" href="zip_source_zip.html">zip_source_zip(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Rename_Files"><a class="permalink" href="#Rename_Files">Rename
Files</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_rename.html">zip_rename(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Delete_Files"><a class="permalink" href="#Delete_Files">Delete
Files</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_delete.html">zip_delete(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Revert_Changes"><a class="permalink" href="#Revert_Changes">Revert
Changes</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_unchange.html">zip_unchange(3)</a></li>
<li><a class="Xr" href="zip_unchange_all.html">zip_unchange_all(3)</a></li>
<li><a class="Xr" href="zip_unchange_archive.html">zip_unchange_archive(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Read/Modify_Extra_Fields"><a class="permalink" href="#Read/Modify_Extra_Fields">Read/Modify
Extra Fields</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_file_extra_field_delete.html">zip_file_extra_field_delete(3)</a></li>
<li><a class="Xr" href="zip_file_extra_field_delete_by_id.html">zip_file_extra_field_delete_by_id(3)</a></li>
<li><a class="Xr" href="zip_file_extra_field_get.html">zip_file_extra_field_get(3)</a></li>
<li><a class="Xr" href="zip_file_extra_field_get_by_id.html">zip_file_extra_field_get_by_id(3)</a></li>
<li><a class="Xr" href="zip_file_extra_field_set.html">zip_file_extra_field_set(3)</a></li>
<li><a class="Xr" href="zip_file_extra_fields_count.html">zip_file_extra_fields_count(3)</a></li>
<li><a class="Xr" href="zip_file_extra_fields_count_by_id.html">zip_file_extra_fields_count_by_id(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Close_Archive_(Writing)"><a class="permalink" href="#Close_Archive_(Writing)">Close
Archive (Writing)</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_close.html">zip_close(3)</a></li>
<li><a class="Xr" href="zip_discard.html">zip_discard(3)</a></li>
</ul>
</section>
<section class="Ss">
<h2 class="Ss" id="Miscellaneous_(Writing)"><a class="permalink" href="#Miscellaneous_(Writing)">Miscellaneous
(Writing)</a></h2>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_file_attributes_init.html">zip_file_attributes_init(3)</a></li>
<li><a class="Xr" href="zip_libzip_version.html">zip_libzip_version(3)</a></li>
<li><a class="Xr" href="zip_register_cancel_callback_with_state.html">zip_register_cancel_callback_with_state(3)</a></li>
<li><a class="Xr" href="zip_register_progress_callback_with_state.html">zip_register_progress_callback_with_state(3)</a></li>
<li><a class="Xr" href="zip_set_archive_comment.html">zip_set_archive_comment(3)</a></li>
<li><a class="Xr" href="zip_set_archive_flag.html">zip_set_archive_flag(3)</a></li>
<li><a class="Xr" href="zip_source.html">zip_source(3)</a></li>
</ul>
</section>
</section>
<section class="Sh">
<h1 class="Sh" id="ERROR_HANDLING"><a class="permalink" href="#ERROR_HANDLING">ERROR
HANDLING</a></h1>
<ul class="Bl-bullet Bl-compact">
<li><a class="Xr" href="zip_error_strerror.html">zip_error_strerror(3)</a></li>
<li><a class="Xr" href="zip_strerror.html">zip_strerror(3)</a></li>
<li><a class="Xr" href="zip_file_strerror.html">zip_file_strerror(3)</a></li>
<li><a class="Xr" href="zip_file_get_error.html">zip_file_get_error(3)</a></li>
<li><a class="Xr" href="zip_get_error.html">zip_get_error(3)</a></li>
<li><a class="Xr" href="zip_error_init_with_code.html">zip_error_init_with_code(3)</a></li>
<li><a class="Xr" href="zip_error_set.html">zip_error_set(3)</a></li>
<li><a class="Xr" href="zip_error_set_from_source.html">zip_error_set_from_source(3)</a></li>
<li><a class="Xr" href="zip_error_system_type.html">zip_error_system_type(3)</a></li>
<li><a class="Xr" href="zip_errors.html">zip_errors(3)</a></li>
</ul>
</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:[email protected]">[email protected]</a>> and
<span class="An">Thomas Klausner</span>
<<a class="Mt" href="mailto:[email protected]">[email protected]</a>>
</section>
</div>
<table class="foot">
<tr>
<td class="foot-date">August 21, 2024</td>
<td class="foot-os">NiH</td>
</tr>
</table>
</body>
</html>