07-11-29 sfdcgzip.c: add seekf() for first buffer rewind 07-06-11 rename ARCH macros to ZLIB_ARCH to cut down namespace pollution 07-05-09 Makefile: :INSTALLPROTO: zconf.h for win32 <ast_*> post edit 07-01-25 zlib.h,gzio.c: add gzbopen() to handle buffered unseekable data 07-01-25 sfdcgzip.c: use gzbopen() to handle buffered unseekable data 05-07-25 __MVS__ tweaks 05-03-21 snarf and merge zlib 1.2.3, drop gzseek64() gztell64() 05-05-11 sfdcgzip.c: change return value to [cgv], add vcunzip read check 04-02-14 sfdcgzip.c,sfdclzw.c: add SFDCNEXT()/SFDCPREV() calls 03-05-13 sfdcgzip.c,sfdclzw.c: add SF_DBUFFER exception, SF_SHARE+sfreserve() 03-03-13 gzio.c: eliminate fixed gzprintf() buffer size via sfio string stream 03-01-20 zlib.h,gzio.c: add gzreopen() 02-09-11 zlib.h: move 64 bit counts to internal_state 02-08-05 add z_off64_t, gzseek64() etc. to preserve old binary interface work around 2^32 file size limitations 02-06-11 add uSize == unsigned _ast_intmax_t; fix header size check 02-05-22 zconf.h: fix __32BIT__ logic 02-03-11 infblock.c: apply double free patch 02-03-09 gzio.c: add stream->fatal to mark fatal errors previously ignored sfdcgzip.c: fix exception return values and mark SF_ERROR on fatal 02-01-30 minigzip.c: error() => mgzerror() to avoid ancient ld dup sym error minigzip.c: [uU] in executable base name => gunzip, otherwise gzip 01-09-18 zconf.h: include <ast_std.h> for __IMPORT__ and __EXPORT__ 00-09-11 gzio: don't set verified=1 in check_header() for concatenation 99-11-19 gzio: add missing _PACKAGE_ast 99-09-11 sfdcgzip,sfdclzw: return 1 if discipline pushed 99-08-11 gzio: fix gzread() z_err to keep Z_STREAM_END after check_header() 99-07-17 sfdclzw: don't free disc on SF_CLOSE 99-06-23 fix gzread/gzwrite to return -1 on error (fixes sfio disc loop) 99-02-14 fix SFGZ_SETPOS to flush/sync for mode=='w' only 99-02-04 add SF_CLOSE to output trailer before the underlying stream is closed! 98-12-01 drop lzwWrite and lzwSeek in sfdclzw 98-11-01 pushed stream buffer size is SF_BUFSIZE 98-10-01 add SFGZ_GETPOS and SFGZ_SETPOS 98-03-19 sfgzip => sfdcgzip
