diff options
Diffstat (limited to 'archival/libunarchive/unxz/xz_private.h')
| -rw-r--r-- | archival/libunarchive/unxz/xz_private.h | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/archival/libunarchive/unxz/xz_private.h b/archival/libunarchive/unxz/xz_private.h index f4e0b4010..145649a83 100644 --- a/archival/libunarchive/unxz/xz_private.h +++ b/archival/libunarchive/unxz/xz_private.h @@ -53,6 +53,45 @@ # include "xz_config.h" #endif +/* If no specific decoding mode is requested, enable support for all modes. */ +#if !defined(XZ_DEC_SINGLE) && !defined(XZ_DEC_PREALLOC) \ + && !defined(XZ_DEC_DYNALLOC) +# define XZ_DEC_SINGLE +# define XZ_DEC_PREALLOC +# define XZ_DEC_DYNALLOC +#endif + +/* + * The DEC_IS_foo(mode) macros are used in "if" statements. If only some + * of the supported modes are enabled, these macros will evaluate to true or + * false at compile time and thus allow the compiler to omit unneeded code. + */ +#ifdef XZ_DEC_SINGLE +# define DEC_IS_SINGLE(mode) ((mode) == XZ_SINGLE) +#else +# define DEC_IS_SINGLE(mode) (false) +#endif + +#ifdef XZ_DEC_PREALLOC +# define DEC_IS_PREALLOC(mode) ((mode) == XZ_PREALLOC) +#else +# define DEC_IS_PREALLOC(mode) (false) +#endif + +#ifdef XZ_DEC_DYNALLOC +# define DEC_IS_DYNALLOC(mode) ((mode) == XZ_DYNALLOC) +#else +# define DEC_IS_DYNALLOC(mode) (false) +#endif + +#if !defined(XZ_DEC_SINGLE) +# define DEC_IS_MULTI(mode) (true) +#elif defined(XZ_DEC_PREALLOC) || defined(XZ_DEC_DYNALLOC) +# define DEC_IS_MULTI(mode) ((mode) != XZ_SINGLE) +#else +# define DEC_IS_MULTI(mode) (false) +#endif + /* * If any of the BCJ filter decoders are wanted, define XZ_DEC_BCJ. * XZ_DEC_BCJ is used to enable generic support for BCJ decoders. @@ -71,7 +110,7 @@ * before calling xz_dec_lzma2_run(). */ XZ_EXTERN struct xz_dec_lzma2 * XZ_FUNC xz_dec_lzma2_create( - uint32_t dict_max); + enum xz_mode mode, uint32_t dict_max); /* * Decode the LZMA2 properties (one byte) and reset the decoder. Return |