zip.h

/*
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
 
#pragma once
#ifndef ZIP_H
#define ZIP_H
 
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
 
#ifndef ZIP_SHARED
#define ZIP_EXPORT
#else
#ifdef _WIN32
#ifdef ZIP_BUILD_SHARED
#define ZIP_EXPORT __declspec(dllexport)
#else
#define ZIP_EXPORT __declspec(dllimport)
#endif
#else
#define ZIP_EXPORT __attribute__((visibility("default")))
#endif
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
#if !defined(_POSIX_C_SOURCE) && defined(_MSC_VER)
// 64-bit Windows is the only mainstream platform
// where sizeof(long) != sizeof(void*)
#ifdef _WIN64
typedef long long ssize_t; /* byte count or error */
#else
typedef long ssize_t; /* byte count or error */
#endif
#endif
 
#define ZIP_DEFAULT_COMPRESSION_LEVEL 6
 
#define ZIP_ENOINIT -1      // not initialized
#define ZIP_EINVENTNAME -2  // invalid entry name
#define ZIP_ENOENT -3       // entry not found
#define ZIP_EINVMODE -4     // invalid zip mode
#define ZIP_EINVLVL -5      // invalid compression level
#define ZIP_ENOSUP64 -6     // no zip 64 support
#define ZIP_EMEMSET -7      // memset error
#define ZIP_EWRTENT -8      // cannot write data to entry
#define ZIP_ETDEFLINIT -9   // cannot initialize tdefl compressor
#define ZIP_EINVIDX -10     // invalid index
#define ZIP_ENOHDR -11      // header not found
#define ZIP_ETDEFLBUF -12   // cannot flush tdefl buffer
#define ZIP_ECRTHDR -13     // cannot create entry header
#define ZIP_EWRTHDR -14     // cannot write entry header
#define ZIP_EWRTDIR -15     // cannot write to central dir
#define ZIP_EOPNFILE -16    // cannot open file
#define ZIP_EINVENTTYPE -17 // invalid entry type
#define ZIP_EMEMNOALLOC -18 // extracting data using no memory allocation
#define ZIP_ENOFILE -19     // file not found
#define ZIP_ENOPERM -20     // no permission
#define ZIP_EOOMEM -21      // out of memory
#define ZIP_EINVZIPNAME -22 // invalid zip archive name
#define ZIP_EMKDIR -23      // make dir error
#define ZIP_ESYMLINK -24    // symlink error
#define ZIP_ECLSZIP -25     // close archive error
#define ZIP_ECAPSIZE -26    // capacity size too small
#define ZIP_EFSEEK -27      // fseek error
#define ZIP_EFREAD -28      // fread error
#define ZIP_EFWRITE -29     // fwrite error
#define ZIP_ERINIT -30      // cannot initialize reader
#define ZIP_EWINIT -31      // cannot initialize writer
#define ZIP_EWRINIT -32     // cannot initialize writer from reader
 
extern ZIP_EXPORT const char *zip_strerror(int errnum);
 
struct zip_t;
 
extern ZIP_EXPORT struct zip_t *zip_open(const char *zipname, int level,
                                         char mode);
 
extern ZIP_EXPORT struct zip_t *
zip_openwitherror(const char *zipname, int level, char mode, int *errnum);
 
extern ZIP_EXPORT void zip_close(struct zip_t *zip);
 
extern ZIP_EXPORT int zip_is64(struct zip_t *zip);
 
extern ZIP_EXPORT int zip_offset(struct zip_t *zip, uint64_t *offset);
 
extern ZIP_EXPORT int zip_entry_open(struct zip_t *zip, const char *entryname);
 
extern ZIP_EXPORT int zip_entry_opencasesensitive(struct zip_t *zip,
                                                  const char *entryname);
 
extern ZIP_EXPORT int zip_entry_openbyindex(struct zip_t *zip, size_t index);
 
extern ZIP_EXPORT int zip_entry_close(struct zip_t *zip);
 
extern ZIP_EXPORT const char *zip_entry_name(struct zip_t *zip);
 
extern ZIP_EXPORT ssize_t zip_entry_index(struct zip_t *zip);
 
extern ZIP_EXPORT int zip_entry_isdir(struct zip_t *zip);
 
extern ZIP_EXPORT unsigned long long zip_entry_size(struct zip_t *zip);
 
extern ZIP_EXPORT unsigned long long zip_entry_uncomp_size(struct zip_t *zip);
 
extern ZIP_EXPORT unsigned long long zip_entry_comp_size(struct zip_t *zip);
 
extern ZIP_EXPORT unsigned int zip_entry_crc32(struct zip_t *zip);
 
extern ZIP_EXPORT unsigned long long zip_entry_dir_offset(struct zip_t *zip);
 
extern ZIP_EXPORT unsigned long long zip_entry_header_offset(struct zip_t *zip);
 
extern ZIP_EXPORT int zip_entry_write(struct zip_t *zip, const void *buf,
                                      size_t bufsize);
 
extern ZIP_EXPORT int zip_entry_fwrite(struct zip_t *zip, const char *filename);
 
extern ZIP_EXPORT ssize_t zip_entry_read(struct zip_t *zip, void **buf,
                                         size_t *bufsize);
 
extern ZIP_EXPORT ssize_t zip_entry_noallocread(struct zip_t *zip, void *buf,
                                                size_t bufsize);
 
extern ZIP_EXPORT int zip_entry_fread(struct zip_t *zip, const char *filename);
 
extern ZIP_EXPORT int
zip_entry_extract(struct zip_t *zip,
                  size_t (*on_extract)(void *arg, uint64_t offset,
                                       const void *data, size_t size),
                  void *arg);
 
extern ZIP_EXPORT ssize_t zip_entries_total(struct zip_t *zip);
 
extern ZIP_EXPORT ssize_t zip_entries_delete(struct zip_t *zip,
                                             char *const entries[], size_t len);
 
extern ZIP_EXPORT ssize_t zip_entries_deletebyindex(struct zip_t *zip,
                                                    size_t entries[],
                                                    size_t len);
 
extern ZIP_EXPORT int
zip_stream_extract(const char *stream, size_t size, const char *dir,
                   int (*on_extract)(const char *filename, void *arg),
                   void *arg);
 
extern ZIP_EXPORT struct zip_t *zip_stream_open(const char *stream, size_t size,
                                                int level, char mode);
 
extern ZIP_EXPORT struct zip_t *zip_stream_openwitherror(const char *stream,
                                                         size_t size, int level,
                                                         char mode,
                                                         int *errnum);
 
extern ZIP_EXPORT ssize_t zip_stream_copy(struct zip_t *zip, void **buf,
                                          size_t *bufsize);
 
extern ZIP_EXPORT void zip_stream_close(struct zip_t *zip);
 
extern ZIP_EXPORT struct zip_t *zip_cstream_open(FILE *stream, int level,
                                                 char mode);
 
extern ZIP_EXPORT struct zip_t *
zip_cstream_openwitherror(FILE *stream, int level, char mode, int *errnum);
 
extern ZIP_EXPORT void zip_cstream_close(struct zip_t *zip);
 
extern ZIP_EXPORT int zip_create(const char *zipname, const char *filenames[],
                                 size_t len);
 
extern ZIP_EXPORT int zip_extract(const char *zipname, const char *dir,
                                  int (*on_extract_entry)(const char *filename,
                                                          void *arg),
                                  void *arg);
#ifdef __cplusplus
}
#endif
 
#endif