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minizip_ffi_mem_1_1.h
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minizip_ffi_mem_1_1.h
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typedef unsigned int uInt; /* 16 bits or more */
typedef unsigned long uLong; /* 32 bits or more */
typedef long z_off_t;
// XXX 调整了字段名（去掉前缀tm_），与os.date('*t')一致，便于直接初始化
/* tm_zip contain date/time info */
typedef struct tm_zip_s
{
uInt sec; /* seconds after the minute - [0,59] */
uInt min; /* minutes after the hour - [0,59] */
uInt hour; /* hours since midnight - [0,23] */
uInt day; /* day of the month - [1,31] */
uInt month; /* months since January - [0,11] */
uInt year; /* years - [1980..2044] */
} tm_zip;
typedef struct tm_zip_s tm_unz;
typedef voidpf (*open_file_func) (voidpf opaque, const char* filename, int mode);
typedef voidpf (*opendisk_file_func) (voidpf opaque, voidpf stream, unsigned long number_disk, int mode);
typedef uLong (*read_file_func) (voidpf opaque, voidpf stream, void* buf, uLong size);
typedef uLong (*write_file_func) (voidpf opaque, voidpf stream, const void* buf, uLong size);
typedef int (*close_file_func) (voidpf opaque, voidpf stream);
typedef int (*testerror_file_func) (voidpf opaque, voidpf stream);
typedef long (*tell_file_func) (voidpf opaque, voidpf stream);
typedef long (*seek_file_func) (voidpf opaque, voidpf stream, uLong offset, int origin);
/* here is the "old" 32 bits structure structure */
typedef struct zlib_filefunc_def_s
{
open_file_func zopen_file;
opendisk_file_func zopendisk_file;
read_file_func zread_file;
write_file_func zwrite_file;
tell_file_func ztell_file;
seek_file_func zseek_file;
close_file_func zclose_file;
testerror_file_func zerror_file;
voidpf opaque;
} zlib_filefunc_def;
typedef struct ourmemory_s {
char *base; /* Base of the region of memory we're using */
uLong size; /* Size of the region of memory we're using */
uLong limit; /* Furthest we've written */
uLong cur_offset; /* Current offset in the area */
int grow; /* Growable memory buffer */
} ourmemory_t;
typedef struct
{
tm_zip tmz_date; /* date in understandable format */
uLong dosDate; /* if dos_date == 0, tmu_date is used */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
} zip_fileinfo;
typedef struct unz_file_info_s
{
uLong version; /* version made by 2 bytes */
uLong version_needed; /* version needed to extract 2 bytes */
uLong flag; /* general purpose bit flag 2 bytes */
uLong compression_method; /* compression method 2 bytes */
uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
uLong crc; /* crc-32 4 bytes */
uLong compressed_size; /* compressed size 4 bytes */
uLong uncompressed_size; /* uncompressed size 4 bytes */
uLong size_filename; /* filename length 2 bytes */
uLong size_file_extra; /* extra field length 2 bytes */
uLong size_file_comment; /* file comment length 2 bytes */
uLong disk_num_start; /* disk number start 2 bytes */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
tm_unz tmu_date;
uLong disk_offset;
} unz_file_info;
/* unz_global_info structure contain global data about the ZIPfile
These data comes from the end of central dir */
typedef struct unz_global_info_s
{
uLong number_entry; /* total number of entries in the central dir on this disk */
uLong number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP*/
uLong size_comment; /* size of the global comment of the zipfile */
} unz_global_info;
typedef struct unz_file_pos_s
{
uLong pos_in_zip_directory; /* offset in zip file directory */
uLong num_of_file; /* # of file */
} unz_file_pos;
typedef int (*unzFileNameComparer)(unzFile file, const char *filename1, const char *filename2);
void fill_memory_filefunc(zlib_filefunc_def* pzlib_filefunc_def, ourmemory_t *ourmem);
extern zipFile zipOpen2(const char *pathname, int append, const char ** globalcomment,
zlib_filefunc_def* pzlib_filefunc_def);
extern int zipClose(zipFile file, const char* global_comment);
extern int zipOpenNewFileInZip(zipFile file, const char* filename, const zip_fileinfo* zipfi,
const void* extrafield_local, uInt size_extrafield_local, const void* extrafield_global,
uInt size_extrafield_global, const char* comment, int method, int level);
extern int zipCloseFileInZip(zipFile file);
extern int zipWriteInFileInZip(zipFile file, const void* buf, unsigned len);
extern unzFile unzOpen2(const char *path, zlib_filefunc_def* pzlib_filefunc_def);
extern int unzClose(unzFile file);
extern int unzOpenCurrentFile(unzFile file);
extern int unzCloseCurrentFile(unzFile file);
extern int unzGoToFirstFile(unzFile file);
extern int unzGoToNextFile(unzFile file);
extern int unzLocateFile(unzFile file, const char *filename, unzFileNameComparer filename_compare_func);
extern int unzGetCurrentFileInfo(unzFile file, unz_file_info *pfile_info, char *filename,
uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size);
extern int unzGetGlobalInfo(unzFile file, unz_global_info *pglobal_info);
extern int unzGetGlobalComment(unzFile file, char *comment, uLong comment_size);
extern uLong unzGetOffset(unzFile file);
extern int unzGetFilePos(unzFile file, unz_file_pos* file_pos);
extern int unzReadCurrentFile(unzFile file, voidp buf, unsigned len);
extern z_off_t unztell(unzFile file);
extern int unzeof(unzFile file);