From 320d734c20d0776e3eb80f6b5984ddeb494715b5 Mon Sep 17 00:00:00 2001 From: Lasse Collin Date: Mon, 11 Apr 2011 20:59:07 +0300 Subject: [PATCH] liblzma: Document lzma_raw_(enc|dec)oder_memusage() better. It didn't mention the return value that is used if an error occurs. --- src/liblzma/api/lzma/filter.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/src/liblzma/api/lzma/filter.h b/src/liblzma/api/lzma/filter.h index efd036f7..e0bc163a 100644 --- a/src/liblzma/api/lzma/filter.h +++ b/src/liblzma/api/lzma/filter.h @@ -131,7 +131,9 @@ extern LZMA_API(lzma_ret) lzma_filters_copy(const lzma_filter *src, * .id == LZMA_VLI_UNKNOWN. * * \return Number of bytes of memory required for the given - * filter chain when encoding. + * filter chain when encoding. If an error occurs, + * for example due to unsupported filter chain, + * UINT64_MAX is returned. */ extern LZMA_API(uint64_t) lzma_raw_encoder_memusage(const lzma_filter *filters) lzma_nothrow lzma_attr_pure; @@ -148,7 +150,9 @@ extern LZMA_API(uint64_t) lzma_raw_encoder_memusage(const lzma_filter *filters) * .id == LZMA_VLI_UNKNOWN. * * \return Number of bytes of memory required for the given - * filter chain when decoding. + * filter chain when decoding. If an error occurs, + * for example due to unsupported filter chain, + * UINT64_MAX is returned. */ extern LZMA_API(uint64_t) lzma_raw_decoder_memusage(const lzma_filter *filters) lzma_nothrow lzma_attr_pure;