diff options
Diffstat (limited to 'src/liblzma/api')
| -rw-r--r-- | src/liblzma/api/lzma/container.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/liblzma/api/lzma/container.h b/src/liblzma/api/lzma/container.h index b2b912d5..564c6aaf 100644 --- a/src/liblzma/api/lzma/container.h +++ b/src/liblzma/api/lzma/container.h @@ -73,7 +73,7 @@ typedef struct { * * Decoder: Bitwise-or of zero or more of the decoder flags: * LZMA_TELL_NO_CHECK, LZMA_TELL_UNSUPPORTED_CHECK, - * LZMA_TELL_ANY_CHECK, LZMA_CONCATENATED + * LZMA_TELL_ANY_CHECK, LZMA_CONCATENATED, LZMA_FAIL_FAST */ uint32_t flags; @@ -616,6 +616,29 @@ extern LZMA_API(lzma_ret) lzma_microlzma_encoder( /** + * This flag makes the threaded decoder report errors (like LZMA_DATA_ERROR) + * as soon as they are detected. This saves time when the application has no + * interest in a partially decompressed truncated or corrupt file. Note that + * due to timing randomness, if the same truncated or corrupt input is + * decompressed multiple times with this flag, a different amount of output + * may be produced by different runs, and even the error code might vary. + * + * Without this flag the threaded decoder will provide as much output as + * possible at first and then report the pending error. This default behavior + * matches the single-threaded decoder and provides repeatable behavior + * with truncated or corrupt input. There are a few special cases where the + * behavior can still differ like memory allocation failures (LZMA_MEM_ERROR). + * + * Single-threaded decoders currently ignore this flag. + * + * Support for this flag was added in liblzma 5.3.3alpha. Note that in older + * versions this flag isn't supported (LZMA_OPTIONS_ERROR) even by functions + * that ignore this flag in newer liblzma versions. + */ +#define LZMA_FAIL_FAST UINT32_C(0x20) + + +/** * \brief Initialize .xz Stream decoder * * \param strm Pointer to properly prepared lzma_stream |