diff options
Diffstat (limited to 'src/liblzma/common/common.h')
| -rw-r--r-- | src/liblzma/common/common.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/liblzma/common/common.h b/src/liblzma/common/common.h index 0ee8574c..ef8d0cbf 100644 --- a/src/liblzma/common/common.h +++ b/src/liblzma/common/common.h @@ -46,6 +46,12 @@ #define LZMA_BUFFER_SIZE 4096 +/// Starting value for memory usage estimates. Instead of calculating size +/// of _every_ structure and taking into accont malloc() overhead etc. we +/// add a base size to all memory usage estimates. It's not very accurate +/// but should be easily good enough. +#define LZMA_MEMUSAGE_BASE (UINT64_C(1) << 15) + /// Start of internal Filter ID space. These IDs must never be used /// in Streams. #define LZMA_FILTER_RESERVED_START (LZMA_VLI_C(1) << 62) @@ -134,7 +140,8 @@ struct lzma_next_coder_s { /// Pointer to function to get and/or change the memory usage limit. /// If memlimit == 0, the limit is not changed. - uint64_t (*memconfig)(lzma_coder *coder, uint64_t memlimit); + lzma_ret (*memconfig)(lzma_coder *coder, uint64_t *memusage, + uint64_t *old_memlimit, uint64_t new_memlimit); }; |