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#pragma pack(1)
/* zip-archive headers
* See: http://www.pkware.com/appnote.html
*/
struct eof_cdir {
long tag; /* must be 0x06054b50 */
short disknum;
short firstdisk;
short nTotalCDirThis;
short nTotalCDir;
long nBytesCDir;
long ofsCDir;
short commentlen;
};
struct cdir {
long tag; /* must be 0x02014b50 */
short version_made;
short version_extract;
short gp_bitflag;
short comp_method;
short last_mod_file_time;
short last_mod_file_date;
long crc32;
long comp_size;
long uncomp_size;
short fname_length;
short extra_length;
short comment_length;
short disknum_start;
short int_file_attr;
long ext_file_attr;
long ofs_local_header;
};
struct fhdr {
long tag; /* must be 0x04034b50 */
short version_needed;
short flags;
short method;
short last_mod_file_time;
short last_mod_file_date;
long crc32;
long comp_size;
long uncomp_size;
short fname_length;
short extra_length;
};
struct meta_data_hdr {
int tag;
int uncomp_size;
int bitmap_size;
};
#pragma pack()
/* installation scheme */
typedef struct tagSCHEME {
char *name;
char *prefix;
} SCHEME;
typedef int (*NOTIFYPROC)(int code, LPSTR text, ...);
extern BOOL
extract_file(char *dst, char *src, int method, int comp_size,
int uncomp_size, NOTIFYPROC notify);
extern BOOL
unzip_archive(SCHEME *scheme, char *dirname, char *data,
DWORD size, NOTIFYPROC notify);
extern char *
map_new_file(DWORD flags, char *filename, char
*pathname_part, int size,
WORD wFatDate, WORD wFatTime,
NOTIFYPROC callback);
extern BOOL
ensure_directory (char *pathname, char *new_part,
NOTIFYPROC callback);
/* codes for NOITIFYPROC */
#define DIR_CREATED 1
#define CAN_OVERWRITE 2
#define FILE_CREATED 3
#define ZLIB_ERROR 4
#define SYSTEM_ERROR 5
#define NUM_FILES 6
#define FILE_OVERWRITTEN 7
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