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Replace zlib package with libz #39

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opened 2024-07-19 18:14:29 -06:00 by emma · 2 comments
emma commented 2024-07-19 18:14:29 -06:00
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https://sortix.org/libz/

https://sortix.org/libz/
trinity commented 2024-07-19 20:15:18 -06:00
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K&R function prototypes and declarations have been upgraded to ISO C ones.

Oh my goodness.

> K&R function prototypes and declarations have been upgraded to ISO C ones. Oh my goodness.
emma commented 2024-07-19 20:44:03 -06:00
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Full list of changes from https://gitlab.com/sortix/libz/-/raw/master/CHANGES:

  • Delete irrelevant files:
    • Build systems for irrelevant operating systems.
    • Unmaintained example and test programs.
    • Unsupported contributed files (many unmaintained):
      • Assembly code.
      • Language bindings.
      • Examples.
    • Unused old files (marked as such).
    • (And much more miscellaneous cruft)
  • Use standard C:
    • Remove local keyword (#define local static).
    • Replace K&R function prototypes with ANSI function prototypes.
    • Replace Z_NULL with NULL.
    • Replace z_const with const.
    • Assume stdarg is available.
  • Remove useless types:
    • Byte (unsigned char), uInt (unsigned int), uLong (unsigned long).
    • Bytef (Byte FAR), charf (char FAR), intf (int FAR), uIntf (uInt FAR),
      uLongf (uLong FAR).
    • voidp (void *), voidpf (void FAR *), voidpc (const void *).
    • uch (unsigned char), ush (unsigned short), usl (unsigned short).
    • uchf (uch FAR), ushf (ush FAR), uslf (usl FAR).
  • Use standard library:
    • Assume the standard library and headers are available.
    • Don't provide function prototypes if the standard headers forgets to do it.
    • Don't provide SEEK_SET, SEEK_CUR, and SEEK_END if stdio.h didn't.
    • Replace zmemzero with memset.
    • Replace zmemcpy with memcpy.
    • Replace zmemcmp with memcmp.
    • Replace zstrerror with strerror.
  • Require functional toolchain:
    • Remove support for buggy, silly and unhappy compilers.
    • Remove support for debuggers that can't deal with static symbols.
  • Remove support for troublesome platforms:
    • Remove support for 16-bit platforms.
    • Remove work-arounds for Windows.
    • Remove work-arounds for Windows CE (UNDER_CE).
  • Remove bug compatibility:
    • Remove NO_DUMMY_DECL configuration.
    • Remove PKZIP_BUG_WORKAROUND configuration.
    • Remove INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR.
    • Remove !INFLATE_STRICT configuration.
  • Remove special configurations:
    • Remove ASMINF configuration.
    • Remove ASMV configuration.
    • Remove BUILDFIXED configuration.
    • Remove DYNAMIC_CRC_TABLE configuration.
    • Remove FASTEST configuration.
    • Remove MAXSEG_64K configuration.
    • Remove NO_DEFLATE and NO_GZCOMPRESS configurations.
    • Remove SYS16BIT configuration.
    • Remove UNALIGNED_OK configuration.
    • Remove NO_DIVIDE configuration.
    • Remove ZLIB_WINAPI configuration.
    • Remove Z_PREFIX configuration.
    • Remove Z_SOLO configuration.
    • Remove !GZIP and !GUNZIP configurations.
  • Adopt safer practices:
    • Unconditionally use vsnprintf (refuse to use vsprintf as a fallback).
    • Remove support for thread-unsafely generating tables on first use.
    • Use the system allocator for both if either zalloc or zfree is unset to avoid
      mixing allocators.
    • Replace ZALLOC(), ZFREE() and TRY_FREE() macros with replacement functions
      that check for multiplication overflow and doesn't trust user allocators to
      deal safely with more than UINT_MAX bytes.
    • Use asprintf where appropriate.
    • Better whether-this-value-fits-in-that-type checks.
    • Saturate instead of overflow in deflateBound and compressBound.
  • Miscellaneous changes:
    • Remove uses of the register keyword.
    • Remove EQUAL macro.
    • Remove ERR_RETURN macro and inline uses of it.
    • Remove PUP() macro and do post-pointer-read-increment normally.
    • Move code that generates C headers out of the core files and into utilities.
    • Assume attribute visibility hidden is available.
    • Improved large file support compatibility.
    • Simplify adler32 code.
Full list of changes from https://gitlab.com/sortix/libz/-/raw/master/CHANGES: * Delete irrelevant files: * Build systems for irrelevant operating systems. * Unmaintained example and test programs. * Unsupported contributed files (many unmaintained): * Assembly code. * Language bindings. * Examples. * Unused old files (marked as such). * (And much more miscellaneous cruft) * Use standard C: * Remove local keyword (#define local static). * Replace K&R function prototypes with ANSI function prototypes. * Replace Z_NULL with NULL. * Replace z_const with const. * Assume stdarg is available. * Remove useless types: * Byte (unsigned char), uInt (unsigned int), uLong (unsigned long). * Bytef (Byte FAR), charf (char FAR), intf (int FAR), uIntf (uInt FAR), uLongf (uLong FAR). * voidp (void *), voidpf (void FAR *), voidpc (const void *). * uch (unsigned char), ush (unsigned short), usl (unsigned short). * uchf (uch FAR), ushf (ush FAR), uslf (usl FAR). * Use standard library: * Assume the standard library and headers are available. * Don't provide function prototypes if the standard headers forgets to do it. * Don't provide SEEK_SET, SEEK_CUR, and SEEK_END if stdio.h didn't. * Replace zmemzero with memset. * Replace zmemcpy with memcpy. * Replace zmemcmp with memcmp. * Replace zstrerror with strerror. * Require functional toolchain: * Remove support for buggy, silly and unhappy compilers. * Remove support for debuggers that can't deal with static symbols. * Remove support for troublesome platforms: * Remove support for 16-bit platforms. * Remove work-arounds for Windows. * Remove work-arounds for Windows CE (UNDER_CE). * Remove bug compatibility: * Remove NO_DUMMY_DECL configuration. * Remove PKZIP_BUG_WORKAROUND configuration. * Remove INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR. * Remove !INFLATE_STRICT configuration. * Remove special configurations: * Remove ASMINF configuration. * Remove ASMV configuration. * Remove BUILDFIXED configuration. * Remove DYNAMIC_CRC_TABLE configuration. * Remove FASTEST configuration. * Remove MAXSEG_64K configuration. * Remove NO_DEFLATE and NO_GZCOMPRESS configurations. * Remove SYS16BIT configuration. * Remove UNALIGNED_OK configuration. * Remove NO_DIVIDE configuration. * Remove ZLIB_WINAPI configuration. * Remove Z_PREFIX configuration. * Remove Z_SOLO configuration. * Remove !GZIP and !GUNZIP configurations. * Adopt safer practices: * Unconditionally use vsnprintf (refuse to use vsprintf as a fallback). * Remove support for thread-unsafely generating tables on first use. * Use the system allocator for both if either zalloc or zfree is unset to avoid mixing allocators. * Replace ZALLOC(), ZFREE() and TRY_FREE() macros with replacement functions that check for multiplication overflow and doesn't trust user allocators to deal safely with more than UINT_MAX bytes. * Use asprintf where appropriate. * Better whether-this-value-fits-in-that-type checks. * Saturate instead of overflow in deflateBound and compressBound. * Miscellaneous changes: * Remove uses of the register keyword. * Remove EQUAL macro. * Remove ERR_RETURN macro and inline uses of it. * Remove PUP() macro and do post-pointer-read-increment normally. * Move code that generates C headers out of the core files and into utilities. * Assume attribute visibility hidden is available. * Improved large file support compatibility. * Simplify adler32 code.
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Reference: bonsai/repo#39
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