/*
 IMPORTANT NOTE: IF THIS FILE IS CHANGED, PCBUILD\BDIST_WININST.VCXPROJ MUST
 BE REBUILT AS WELL.

 IF CHANGES TO THIS FILE ARE CHECKED IN, THE RECOMPILED BINARIES MUST BE
 CHECKED IN AS WELL!
*/

#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