zlib 1.0.8
diff --git a/README b/README index 8d33fb9..0adc66f 100644 --- a/README +++ b/README
@@ -1,15 +1,16 @@ -zlib 1.0.7 is a general purpose data compression library. All the code -is reentrant (thread safe). The data format used by the zlib library +zlib 1.0.8 is a general purpose data compression library. All the code +is thread safe. The data format used by the zlib library is described by RFCs (Request for Comments) 1950 to 1952 in the files ftp://ds.internic.net/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format). These documents are also available in other formats from ftp://ftp.uu.net/graphics/png/documents/zlib/zdoc-index.html -All functions of the compression library are documented in the file -zlib.h. A usage example of the library is given in the file example.c -which also tests that the library is working correctly. Another -example is given in the file minigzip.c. The compression library itself -is composed of all source files except example.c and minigzip.c. +All functions of the compression library are documented in the file zlib.h +(volunteer to write man pages welcome, contact jloup@gzip.org). A usage +example of the library is given in the file example.c which also tests that +the library is working correctly. Another example is given in the file +minigzip.c. The compression library itself is composed of all source files +except example.c and minigzip.c. To compile all files and run the test program, follow the instructions given at the top of Makefile. In short "make test; make install" @@ -24,18 +25,18 @@ Dr. Dobb's Journal; a copy of the article is available in http://web2.airmail.net/markn/articles/zlibtool/zlibtool.htm -The changes made in version 1.0.7 are documented in the file ChangeLog. -The main changes since 1.0.6 are: +The changes made in version 1.0.8 are documented in the file ChangeLog. +The main changes since 1.0.7 are: -- fix gzseek which was broken in write mode -- return error for gzseek to negative absolute position -- fix configure for Linux (Chun-Chung Chen) -- increase stack space for MSC (Tim Wegner) -- get_crc_table and inflateSyncPoint are EXPORTed (Gilles Vollant) -- define EXPORTVA for gzprintf (Gilles Vollant) -- added mini man page zlib.3 (Rick Rodgers) [volunteers to write full - man pages from zlib.h most welcome. write to jloup@gzip.org] -- for contrib/untgz, fix makedir() and improve Makefile +- fixed offsets in contrib/asm386/gvmat32.asm (Gilles Vollant) +- fix gzgetc and gzputc for big endian systems (Markus Oberhumer) +- added compress2() to allow setting the compression level +- include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong) +- use constant arrays for the static trees in trees.c instead of computing + them at run time (thanks to Ken Raeburn for this suggestion). To create + trees.h, compile with GEN_TREES_H and run "make test". +- check return code of example in "make test" and display result +- pass minigzip command line options to file_compress Unsupported third party contributions are provided in directory "contrib". @@ -64,6 +65,9 @@ See contrib/visual-basic.txt for more information. I don't know how to handle structures in Visual Basic, sorry. +- "make test" fails on Solaris 2.6 with gcc 2.8.0. It works with cc and + with gcc 2.7.2.1. + - For 64-bit Irix, deflate.c must be compiled without any optimization. With -O, one libpng test fails. The test works in 32 bit mode (with the -n32 compiler flag). The compiler bug has been reported to SGI. @@ -74,7 +78,10 @@ - zlib doesn't work on HP-UX 9.05 with one cc compiler (the one not accepting the -O option). It works with the other cc compiler. -- gzdopen is not supported on RISCOS +- For shared memory multiprocessors, the decompression code assumes that + writes to pointers are atomic. + +- gzdopen is not supported on RISCOS, BEOS and Mac - For Turbo C the small model is supported only with reduced performance to avoid any far allocation; it was tested with -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3