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4 libzip.mdoc -- general overview of available functions
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38 <title>LIBZIP(3)</title>
43 <td class="head-ltitle">LIBZIP(3)</td>
44 <td class="head-vol">Library Functions Manual</td>
45 <td class="head-rtitle">LIBZIP(3)</td>
48 <div class="manual-text">
50 <h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
51 <code class="Nm">libzip</code> —
52 <div class="Nd">library for manipulating zip archives</div>
55 <h1 class="Sh" id="LIBRARY"><a class="permalink" href="#LIBRARY">LIBRARY</a></h1>
59 <h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
60 <code class="In">#include <<a class="In">zip.h</a>></code>
63 <h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
64 <code class="Nm">libzip</code> is a library for reading, creating, and modifying
66 <p class="Pp">The main design criteria for <code class="Nm">libzip</code>
68 <ul class="Bl-bullet Bl-compact">
69 <li>Do not create corrupt files, even in case of errors.</li>
70 <li>Do not delete data.</li>
71 <li>Be efficient.</li>
73 <p class="Pp">For this reason, when modifying zip archives,
74 <code class="Nm">libzip</code> writes to a temporary file and replaces the
75 original zip archive atomically.</p>
76 <p class="Pp">Below there are two sections listing functions: one for how to
77 read from zip archives and one for how to create/modify them.</p>
80 <h1 class="Sh" id="FILE_NAMES"><a class="permalink" href="#FILE_NAMES">FILE
83 <h2 class="Ss" id="Encoding"><a class="permalink" href="#Encoding">Encoding</a></h2>
84 Names of files in the host file system are expected in UTF-8 encoding. On
85 Windows, variants for ASCII and UTF-16 are also available.
86 <p class="Pp">Names of files inside archives are by default expected in UTF-8
87 encoding. Other encodings can be requested by using the flags
88 <code class="Dv">ZIP_FL_ENC_CP437</code> and
89 <code class="Dv">ZIP_FL_ENC_RAW</code>.</p>
90 <p class="Pp">For details see the relevant man pages.</p>
93 <h2 class="Ss" id="Directory_Separator"><a class="permalink" href="#Directory_Separator">Directory
95 The zip format requires the use of forward slash (‘/’) as
96 directory separator. Since backslash (‘\’) can be part of a
97 valid file name on Unix systems, <code class="Nm">libzip</code> does not
98 automatically convert them, even on Windows. It is the responsibility of the
99 programmer to ensure that all directory separators are passed as forward
100 slashes to <code class="Nm">libzip</code>.
104 <h1 class="Sh" id="THREAD_SAFETY"><a class="permalink" href="#THREAD_SAFETY">THREAD
106 In general, different zip archives opened by <code class="Nm">libzip</code> are
107 independent of each other and can be used by parallel-running threads without
108 locking. If you want to use an archive from multiple threads, you have to
109 synchronize access to it yourself. If you use an archive as a source for
110 <a class="Xr" href="zip_file_add.html">zip_file_add(3)</a> or
111 <a class="Xr" href="zip_file_replace.html">zip_file_replace(3)</a>, access to
112 the target archive must be synchronized with access to the source archive as
116 <h1 class="Sh" id="READING_ZIP_ARCHIVES"><a class="permalink" href="#READING_ZIP_ARCHIVES">READING
117 ZIP ARCHIVES</a></h1>
119 <h2 class="Ss" id="Open_Archive"><a class="permalink" href="#Open_Archive">Open
121 <ul class="Bl-bullet Bl-compact">
122 <li><a class="Xr" href="zip_open.html">zip_open(3)</a></li>
123 <li><a class="Xr" href="zip_fdopen.html">zip_fdopen(3)</a></li>
127 <h2 class="Ss" id="Find_Files"><a class="permalink" href="#Find_Files">Find
129 <ul class="Bl-bullet Bl-compact">
130 <li><a class="Xr" href="zip_name_locate.html">zip_name_locate(3)</a></li>
134 <h2 class="Ss" id="Read_Files"><a class="permalink" href="#Read_Files">Read
136 <ul class="Bl-bullet Bl-compact">
137 <li><a class="Xr" href="zip_fopen.html">zip_fopen(3)</a></li>
138 <li><a class="Xr" href="zip_fopen_encrypted.html">zip_fopen_encrypted(3)</a></li>
139 <li><a class="Xr" href="zip_fopen_index.html">zip_fopen_index(3)</a></li>
140 <li><a class="Xr" href="zip_fopen_index_encrypted.html">zip_fopen_index_encrypted(3)</a></li>
141 <li><a class="Xr" href="zip_fread.html">zip_fread(3)</a></li>
142 <li><a class="Xr" href="zip_file_is_seekable.html">zip_file_is_seekable(3)</a></li>
143 <li><a class="Xr" href="zip_fseek.html">zip_fseek(3)</a> (uncompressed files
145 <li><a class="Xr" href="zip_ftell.html">zip_ftell(3)</a></li>
146 <li><a class="Xr" href="zip_fclose.html">zip_fclose(3)</a></li>
150 <h2 class="Ss" id="Close_Archive"><a class="permalink" href="#Close_Archive">Close
152 <ul class="Bl-bullet Bl-compact">
153 <li><a class="Xr" href="zip_close.html">zip_close(3)</a></li>
157 <h2 class="Ss" id="Miscellaneous"><a class="permalink" href="#Miscellaneous">Miscellaneous</a></h2>
158 <ul class="Bl-bullet Bl-compact">
159 <li><a class="Xr" href="zip_stat.html">zip_stat(3)</a></li>
160 <li><a class="Xr" href="zip_compression_method_supported.html">zip_compression_method_supported(3)</a></li>
161 <li><a class="Xr" href="zip_encryption_method_supported.html">zip_encryption_method_supported(3)</a></li>
162 <li><a class="Xr" href="zip_file_get_comment.html">zip_file_get_comment(3)</a></li>
163 <li><a class="Xr" href="zip_file_get_external_attributes.html">zip_file_get_external_attributes(3)</a></li>
164 <li><a class="Xr" href="zip_get_archive_comment.html">zip_get_archive_comment(3)</a></li>
165 <li><a class="Xr" href="zip_get_archive_flag.html">zip_get_archive_flag(3)</a></li>
166 <li><a class="Xr" href="zip_get_name.html">zip_get_name(3)</a></li>
167 <li><a class="Xr" href="zip_get_num_entries.html">zip_get_num_entries(3)</a></li>
168 <li><a class="Xr" href="zip_set_default_password.html">zip_set_default_password(3)</a></li>
173 <h1 class="Sh" id="CREATING/MODIFYING_ZIP_ARCHIVES"><a class="permalink" href="#CREATING/MODIFYING_ZIP_ARCHIVES">CREATING/MODIFYING
174 ZIP ARCHIVES</a></h1>
176 <h2 class="Ss" id="Create/Open_Archive"><a class="permalink" href="#Create/Open_Archive">Create/Open
178 <ul class="Bl-bullet Bl-compact">
179 <li><a class="Xr" href="zip_open.html">zip_open(3)</a></li>
183 <h2 class="Ss" id="Add/Change_Files_and_Directories"><a class="permalink" href="#Add/Change_Files_and_Directories">Add/Change
184 Files and Directories</a></h2>
185 <ul class="Bl-bullet Bl-compact">
186 <li><a class="Xr" href="zip_dir_add.html">zip_dir_add(3)</a></li>
187 <li><a class="Xr" href="zip_file_add.html">zip_file_add(3)</a></li>
188 <li><a class="Xr" href="zip_file_replace.html">zip_file_replace(3)</a></li>
189 <li><a class="Xr" href="zip_file_set_comment.html">zip_file_set_comment(3)</a></li>
190 <li><a class="Xr" href="zip_file_set_dostime.html">zip_file_set_dostime(3)</a></li>
191 <li><a class="Xr" href="zip_file_set_external_attributes.html">zip_file_set_external_attributes(3)</a></li>
192 <li><a class="Xr" href="zip_file_set_encryption.html">zip_file_set_encryption(3)</a></li>
193 <li><a class="Xr" href="zip_file_set_mtime.html">zip_file_set_mtime(3)</a></li>
194 <li><a class="Xr" href="zip_set_file_compression.html">zip_set_file_compression(3)</a></li>
195 <li><a class="Xr" href="zip_source_buffer.html">zip_source_buffer(3)</a></li>
196 <li><a class="Xr" href="zip_source_file.html">zip_source_file(3)</a></li>
197 <li><a class="Xr" href="zip_source_filep.html">zip_source_filep(3)</a></li>
198 <li><a class="Xr" href="zip_source_free.html">zip_source_free(3)</a></li>
199 <li><a class="Xr" href="zip_source_function.html">zip_source_function(3)</a></li>
200 <li><a class="Xr" href="zip_source_zip.html">zip_source_zip(3)</a></li>
204 <h2 class="Ss" id="Rename_Files"><a class="permalink" href="#Rename_Files">Rename
206 <ul class="Bl-bullet Bl-compact">
207 <li><a class="Xr" href="zip_rename.html">zip_rename(3)</a></li>
211 <h2 class="Ss" id="Delete_Files"><a class="permalink" href="#Delete_Files">Delete
213 <ul class="Bl-bullet Bl-compact">
214 <li><a class="Xr" href="zip_delete.html">zip_delete(3)</a></li>
218 <h2 class="Ss" id="Revert_Changes"><a class="permalink" href="#Revert_Changes">Revert
220 <ul class="Bl-bullet Bl-compact">
221 <li><a class="Xr" href="zip_unchange.html">zip_unchange(3)</a></li>
222 <li><a class="Xr" href="zip_unchange_all.html">zip_unchange_all(3)</a></li>
223 <li><a class="Xr" href="zip_unchange_archive.html">zip_unchange_archive(3)</a></li>
227 <h2 class="Ss" id="Read/Modify_Extra_Fields"><a class="permalink" href="#Read/Modify_Extra_Fields">Read/Modify
228 Extra Fields</a></h2>
229 <ul class="Bl-bullet Bl-compact">
230 <li><a class="Xr" href="zip_file_extra_field_by_id.html">zip_file_extra_field_by_id(3)</a></li>
231 <li><a class="Xr" href="zip_file_extra_field_delete.html">zip_file_extra_field_delete(3)</a></li>
232 <li><a class="Xr" href="zip_file_extra_field_delete_by_id.html">zip_file_extra_field_delete_by_id(3)</a></li>
233 <li><a class="Xr" href="zip_file_extra_field_get.html">zip_file_extra_field_get(3)</a></li>
234 <li><a class="Xr" href="zip_file_extra_field_set.html">zip_file_extra_field_set(3)</a></li>
235 <li><a class="Xr" href="zip_file_extra_fields_count.html">zip_file_extra_fields_count(3)</a></li>
236 <li><a class="Xr" href="zip_file_extra_fields_count_by_id.html">zip_file_extra_fields_count_by_id(3)</a></li>
240 <h2 class="Ss" id="Close_Archive_(Writing)"><a class="permalink" href="#Close_Archive_(Writing)">Close
241 Archive (Writing)</a></h2>
242 <ul class="Bl-bullet Bl-compact">
243 <li><a class="Xr" href="zip_close.html">zip_close(3)</a></li>
244 <li><a class="Xr" href="zip_discard.html">zip_discard(3)</a></li>
248 <h2 class="Ss" id="Miscellaneous_(Writing)"><a class="permalink" href="#Miscellaneous_(Writing)">Miscellaneous
250 <ul class="Bl-bullet Bl-compact">
251 <li><a class="Xr" href="zip_file_attributes_init.html">zip_file_attributes_init(3)</a></li>
252 <li><a class="Xr" href="zip_libzip_version.html">zip_libzip_version(3)</a></li>
253 <li><a class="Xr" href="zip_register_cancel_callback_with_state.html">zip_register_cancel_callback_with_state(3)</a></li>
254 <li><a class="Xr" href="zip_register_progress_callback_with_state.html">zip_register_progress_callback_with_state(3)</a></li>
255 <li><a class="Xr" href="zip_set_archive_comment.html">zip_set_archive_comment(3)</a></li>
256 <li><a class="Xr" href="zip_set_archive_flag.html">zip_set_archive_flag(3)</a></li>
257 <li><a class="Xr" href="zip_source.html">zip_source(3)</a></li>
262 <h1 class="Sh" id="ERROR_HANDLING"><a class="permalink" href="#ERROR_HANDLING">ERROR
264 <ul class="Bl-bullet Bl-compact">
265 <li><a class="Xr" href="zip_error_strerror.html">zip_error_strerror(3)</a></li>
266 <li><a class="Xr" href="zip_strerror.html">zip_strerror(3)</a></li>
267 <li><a class="Xr" href="zip_file_strerror.html">zip_file_strerror(3)</a></li>
268 <li><a class="Xr" href="zip_file_get_error.html">zip_file_get_error(3)</a></li>
269 <li><a class="Xr" href="zip_get_error.html">zip_get_error(3)</a></li>
270 <li><a class="Xr" href="zip_error_init_with_code.html">zip_error_init_with_code(3)</a></li>
271 <li><a class="Xr" href="zip_error_system_type.html">zip_error_system_type(3)</a></li>
272 <li><a class="Xr" href="zip_errors.html">zip_errors(3)</a></li>
276 <h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
277 <span class="An">Dieter Baron</span>
278 <<a class="Mt" href="mailto:dillo@nih.at">dillo@nih.at</a>> and
279 <span class="An">Thomas Klausner</span>
280 <<a class="Mt" href="mailto:tk@giga.or.at">tk@giga.or.at</a>>
285 <td class="foot-date">June 18, 2022</td>
286 <td class="foot-os">NiH</td>