ddidderr/zstd-rs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add a method for checking if ZSTD was compiled with flags that impact determinism

Browse Source
This commit is contained in:
Nick Terrell
2025-03-07 10:31:19 -05:00
committed by Nick Terrell
parent 99cf130cfc
commit 0de4991942
4 changed files with 44 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/common/portability_macros.h
+19
View File
@@ -168,4 +168,23 @@
# define ZSTD_CET_ENDBRANCH
#endif
/**
* ZSTD_IS_DETERMINISTIC_BUILD must be set to 0 if any compilation macro is
* active that impacts the compressed output.
*
* NOTE: ZSTD_MULTITHREAD is allowed to be set or unset.
*/
#if defined(ZSTD_CLEVEL_DEFAULT) \
|| defined(ZSTD_EXCLUDE_DFAST_BLOCK_COMPRESSOR) \
|| defined(ZSTD_EXCLUDE_GREEDY_BLOCK_COMPRESSOR) \
|| defined(ZSTD_EXCLUDE_LAZY_BLOCK_COMPRESSOR) \
|| defined(ZSTD_EXCLUDE_LAZY2_BLOCK_COMPRESSOR) \
|| defined(ZSTD_EXCLUDE_BTLAZY2_BLOCK_COMPRESSOR) \
|| defined(ZSTD_EXCLUDE_BTOPT_BLOCK_COMPRESSOR) \
|| defined(ZSTD_EXCLUDE_BTULTRA_BLOCK_COMPRESSOR)
# define ZSTD_IS_DETERMINISTIC_BUILD 0
#else
# define ZSTD_IS_DETERMINISTIC_BUILD 1
#endif
#endif /* ZSTD_PORTABILITY_MACROS_H */