diff options
Diffstat (limited to 'src/liblzma/common')
| -rw-r--r-- | src/liblzma/common/filter_common.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/liblzma/common/filter_common.c b/src/liblzma/common/filter_common.c index 0113035b..a803b4c2 100644 --- a/src/liblzma/common/filter_common.c +++ b/src/liblzma/common/filter_common.c @@ -205,6 +205,32 @@ error: } +extern LZMA_API(void) +lzma_filters_free(lzma_filter *filters, const lzma_allocator *allocator) +{ + if (filters == NULL) + return; + + for (size_t i = 0; filters[i].id != LZMA_VLI_UNKNOWN; ++i) { + if (i == LZMA_FILTERS_MAX) { + // The API says that LZMA_FILTERS_MAX + 1 is the + // maximum allowed size including the terminating + // element. Thus, we should never get here but in + // case there is a bug and we do anyway, don't go + // past the (probable) end of the array. + assert(0); + break; + } + + lzma_free(filters[i].options, allocator); + filters[i].options = NULL; + filters[i].id = LZMA_VLI_UNKNOWN; + } + + return; +} + + static lzma_ret validate_chain(const lzma_filter *filters, size_t *count) { |