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liblzma: Improve documentation for string to filter functions.

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Jia Tan 2022-11-30 00:52:06 +08:00 committed by Lasse Collin
parent a6e21fcede
commit 0a72b9ca2f
1 changed files with 9 additions and 8 deletions
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17
src/liblzma/api/lzma/filter.h
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@ -544,7 +544,7 @@ extern LZMA_API(lzma_ret) lzma_filter_flags_decode(
* LZMA_PRESET_EXTREME. For partial xz command line syntax compatibility, * LZMA_PRESET_EXTREME. For partial xz command line syntax compatibility,
* a preset string may start with a single dash "-". * a preset string may start with a single dash "-".
* *
* A filter chain consist of one or more "filtername:opt1=value1,opt2=value2" * A filter chain consists of one or more "filtername:opt1=value1,opt2=value2"
* strings separated by one or more spaces. Leading and trailing spaces are * strings separated by one or more spaces. Leading and trailing spaces are
* ignored. All names and values must be lower-case. Extra commas in the * ignored. All names and values must be lower-case. Extra commas in the
* option list are ignored. The order of filters is significant: when * option list are ignored. The order of filters is significant: when
@ -647,10 +647,10 @@ extern LZMA_API(const char *) lzma_str_to_filters(
* specify "6" to lzma_str_to_filters() then lzma_str_from_filters() * specify "6" to lzma_str_to_filters() then lzma_str_from_filters()
* will produce a string containing "lzma2". * will produce a string containing "lzma2".
* *
* \param str On success *str will be set to point an allocated * \param str On success *str will be set to point to an
* string describing the given filter chain. Old * allocated string describing the given filter
* value is ignored. On error *str is always set * chain. Old value is ignored. On error *str is
* to NULL. * always set to NULL.
* \param filters Array of 1-4 filters and a terminating element * \param filters Array of 1-4 filters and a terminating element
* with .id = LZMA_VLI_UNKNOWN. * with .id = LZMA_VLI_UNKNOWN.
* \param flags Bitwise-or of zero or more of the flags * \param flags Bitwise-or of zero or more of the flags
@ -693,9 +693,10 @@ extern LZMA_API(lzma_ret) lzma_str_from_filters(
* - If LZMA_STR_ALL_FILTERS is used then the list will include also * - If LZMA_STR_ALL_FILTERS is used then the list will include also
* those filters that cannot be used in the .xz format (LZMA1). * those filters that cannot be used in the .xz format (LZMA1).
* *
* \param str On success *str will be set to point an allocated * \param str On success *str will be set to point to an
* string listing the filters and options. Old value * allocated string listing the filters and options.
* is ignored. On error *str is always set to NULL. * Old value is ignored. On error *str is always set
* to NULL.
* \param filter_id Filter ID or LZMA_VLI_UNKNOWN. * \param filter_id Filter ID or LZMA_VLI_UNKNOWN.
* \param flags Bitwise-or of zero or more of the flags * \param flags Bitwise-or of zero or more of the flags
* LZMA_STR_ALL_FILTERS, LZMA_STR_ENCODER, * LZMA_STR_ALL_FILTERS, LZMA_STR_ENCODER,