Add a ./config --solo option to make zlib subset with no libary use
A common request has been the ability to compile zlib to require no other libraries. This --solo option provides that ability. The price is that the gz*, compress*, and uncompress functions are eliminated, and that the user must provide memory allocation and free routines to deflate and inflate when initializing.
This commit is contained in:
Mark Adler
106
zconf.h
106
zconf.h
@@ -28,9 +28,11 @@
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# define adler32 z_adler32
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# define adler32_combine z_adler32_combine
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# define adler32_combine64 z_adler32_combine64
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# define compress z_compress
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# define compress2 z_compress2
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# define compressBound z_compressBound
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# ifndef Z_SOLO
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# define compress z_compress
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# define compress2 z_compress2
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# define compressBound z_compressBound
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# endif
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# define crc32 z_crc32
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# define crc32_combine z_crc32_combine
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# define crc32_combine64 z_crc32_combine64
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@@ -49,39 +51,41 @@
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# define deflateTune z_deflateTune
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# define deflate_copyright z_deflate_copyright
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# define get_crc_table z_get_crc_table
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# define gz_error z_gz_error
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# define gz_intmax z_gz_intmax
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# define gz_strwinerror z_gz_strwinerror
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# define gzbuffer z_gzbuffer
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# define gzclearerr z_gzclearerr
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# define gzclose z_gzclose
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# define gzclose_r z_gzclose_r
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# define gzclose_w z_gzclose_w
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# define gzdirect z_gzdirect
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# define gzdopen z_gzdopen
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# define gzeof z_gzeof
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# define gzerror z_gzerror
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# define gzflags z_gzflags
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# define gzflush z_gzflush
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# define gzgetc z_gzgetc
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# define gzgetc_ z_gzgetc_
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# define gzgets z_gzgets
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# define gzoffset z_gzoffset
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# define gzoffset64 z_gzoffset64
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# define gzopen z_gzopen
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# define gzopen64 z_gzopen64
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# define gzprintf z_gzprintf
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# define gzputc z_gzputc
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# define gzputs z_gzputs
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# define gzread z_gzread
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# define gzrewind z_gzrewind
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# define gzseek z_gzseek
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# define gzseek64 z_gzseek64
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# define gzsetparams z_gzsetparams
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# define gztell z_gztell
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# define gztell64 z_gztell64
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# define gzungetc z_gzungetc
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# define gzwrite z_gzwrite
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# ifndef Z_SOLO
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# define gz_error z_gz_error
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# define gz_intmax z_gz_intmax
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# define gz_strwinerror z_gz_strwinerror
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# define gzbuffer z_gzbuffer
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# define gzclearerr z_gzclearerr
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# define gzclose z_gzclose
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# define gzclose_r z_gzclose_r
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# define gzclose_w z_gzclose_w
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# define gzdirect z_gzdirect
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# define gzdopen z_gzdopen
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# define gzeof z_gzeof
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# define gzerror z_gzerror
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# define gzflags z_gzflags
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# define gzflush z_gzflush
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# define gzgetc z_gzgetc
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# define gzgetc_ z_gzgetc_
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# define gzgets z_gzgets
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# define gzoffset z_gzoffset
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# define gzoffset64 z_gzoffset64
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# define gzopen z_gzopen
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# define gzopen64 z_gzopen64
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# define gzprintf z_gzprintf
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# define gzputc z_gzputc
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# define gzputs z_gzputs
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# define gzread z_gzread
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# define gzrewind z_gzrewind
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# define gzseek z_gzseek
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# define gzseek64 z_gzseek64
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# define gzsetparams z_gzsetparams
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# define gztell z_gztell
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# define gztell64 z_gztell64
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# define gzungetc z_gzungetc
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# define gzwrite z_gzwrite
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# endif
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# define inflate z_inflate
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# define inflateBack z_inflateBack
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# define inflateBackEnd z_inflateBackEnd
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@@ -102,10 +106,14 @@
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# define inflate_copyright z_inflate_copyright
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# define inflate_fast z_inflate_fast
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# define inflate_table z_inflate_table
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# define uncompress z_uncompress
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# ifndef Z_SOLO
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# define uncompress z_uncompress
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# endif
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# define zError z_zError
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# define zcalloc z_zcalloc
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# define zcfree z_zcfree
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# ifndef Z_SOLO
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# define zcalloc z_zcalloc
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# define zcfree z_zcfree
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# endif
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# define zlibCompileFlags z_zlibCompileFlags
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# define zlibVersion z_zlibVersion
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@@ -115,9 +123,11 @@
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# define alloc_func z_alloc_func
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# define charf z_charf
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# define free_func z_free_func
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# define gzFile z_gzFile
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# define gz_header z_gz_header
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# define gz_headerp z_gz_headerp
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# ifndef Z_SOLO
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# define gzFile z_gzFile
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# define gz_header z_gz_header
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# define gz_headerp z_gz_headerp
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# endif
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# define in_func z_in_func
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# define intf z_intf
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# define out_func z_out_func
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@@ -130,7 +140,9 @@
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# define voidpf z_voidpf
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/* all zlib structs in zlib.h and zconf.h */
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# define gz_header_s z_gz_header_s
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# ifndef Z_SOLO
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# define gz_header_s z_gz_header_s
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# endif
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# define internal_state z_internal_state
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#endif
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@@ -377,7 +389,9 @@ typedef uLong FAR uLongf;
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#endif
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#ifdef STDC
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# include <sys/types.h> /* for off_t */
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# ifndef Z_SOLO
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# include <sys/types.h> /* for off_t */
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# endif
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#endif
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/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
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@@ -394,7 +408,7 @@ typedef uLong FAR uLongf;
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# define Z_LARGE
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#endif
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#if defined(Z_HAVE_UNISTD_H) || defined(Z_LARGE)
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#if (defined(Z_HAVE_UNISTD_H) || defined(Z_LARGE)) && !defined(Z_SOLO)
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# include <unistd.h> /* for SEEK_* and off_t */
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# ifdef VMS
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# include <unixio.h> /* for off_t */
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@@ -404,7 +418,7 @@ typedef uLong FAR uLongf;
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# endif
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#endif
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#ifndef SEEK_SET
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#if !defined(SEEK_SET) && !defined(Z_SOLO)
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# define SEEK_SET 0 /* Seek from beginning of file. */
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# define SEEK_CUR 1 /* Seek from current position. */
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# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
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