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liblzma: Document lzma_raw_(enc|dec)oder_memusage() better.

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It didn't mention the return value that is used if
an error occurs.
This commit is contained in:
Lasse Collin 2011-04-11 20:59:07 +03:00
parent 2ee4edeffc
commit 320d734c20
1 changed files with 6 additions and 2 deletions
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8
src/liblzma/api/lzma/filter.h
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@ -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;