15 #define ZLIB_FILEFUNC_SEEK_CUR (1) 16 #define ZLIB_FILEFUNC_SEEK_END (2) 17 #define ZLIB_FILEFUNC_SEEK_SET (0) 19 #define ZLIB_FILEFUNC_MODE_READ (1) 20 #define ZLIB_FILEFUNC_MODE_WRITE (2) 21 #define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) 23 #define ZLIB_FILEFUNC_MODE_EXISTING (4) 24 #define ZLIB_FILEFUNC_MODE_CREATE (8) 29 #if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) 30 #define ZCALLBACK CALLBACK 40 typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, voidpf file,
int mode));
41 typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream,
void* buf, uLong size));
42 typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream,
const void* buf, uLong size));
43 typedef uLong (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
44 typedef int (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset,
int origin));
45 typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
46 typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
50 open_file_func zopen_file;
51 read_file_func zread_file;
52 write_file_func zwrite_file;
53 tell_file_func ztell_file;
54 seek_file_func zseek_file;
55 close_file_func zclose_file;
56 testerror_file_func zerror_file;
64 #define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) 65 #define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size)) 66 #define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream)) 67 #define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode)) 68 #define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream)) 69 #define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))