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https://github.com/lxsang/silk.git
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91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
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/*
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#ifndef ZIP_H
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#define ZIP_H
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#include <string.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef MAX_PATH
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#define MAX_PATH 32767 /* # chars in a path name including NULL */
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#endif
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#define ZIP_DEFAULT_COMPRESSION_LEVEL 6
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/* This data structure is used throughout the library to represent zip archive - forward declaration. */
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struct zip_t;
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/*
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Opens zip archive with compression level.
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If append is 0 then new archive will be created, otherwise function will try to append to the specified zip archive,
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instead of creating a new one.
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Compression levels: 0-9 are the standard zlib-style levels.
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Returns pointer to zip_t structure or NULL on error.
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*/
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struct zip_t *zip_open(const char *zipname, int level, int append);
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/* Closes zip archive, releases resources - always finalize. */
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void zip_close(struct zip_t *zip);
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/*
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Opens a new entry for writing in a zip archive.
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Returns negative number (< 0) on error, 0 on success.
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*/
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int zip_entry_open(struct zip_t *zip, const char *entryname);
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/*
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Closes zip entry, flushes buffer and releases resources.
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Returns negative number (< 0) on error, 0 on success.
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*/
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int zip_entry_close(struct zip_t *zip);
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/*
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Compresses an input buffer for the current zip entry.
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Returns negative number (< 0) on error, 0 on success.
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*/
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int zip_entry_write(struct zip_t *zip, const void *buf, size_t bufsize);
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/*
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Compresses a file for the current zip entry.
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Returns negative number (< 0) on error, 0 on success.
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*/
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int zip_entry_fwrite(struct zip_t *zip, const char *filename);
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/*
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Creates a new archive and puts len files into a single zip archive
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Returns negative number (< 0) on error, 0 on success.
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*/
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int zip_create(const char *zipname, const char *filenames[], size_t len);
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/*
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Extracts a zip archive file into dir.
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If on_extract_entry is not NULL, the callback will be called after successfully extracted each zip entry.
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Returning a negative value from the callback will cause abort the extract and return an error.
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The last argument (void *arg) is optional, which you can use to pass some data to the on_extract_entry callback.
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Returns negative number (< 0) on error, 0 on success.
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*/
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int zip_extract(const char *zipname, const char *dir, int (* on_extract_entry)(const char *filename, void *arg), void *arg);
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#ifdef __cplusplus
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}
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#endif
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#endif
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