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doc: use doxygen @p to refer to parameters
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@ -143,7 +143,7 @@ hs_error_t HS_CDECL hs_deserialize_database(const char *bytes,
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* by @ref hs_serialize_database() at a given memory location.
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*
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* This function (unlike @ref hs_deserialize_database()) will write the
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* reconstructed database to the memory location given in the @a db parameter.
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* reconstructed database to the memory location given in the @p db parameter.
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* The amount of space required at this location can be determined with the
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* @ref hs_serialized_database_size() function.
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*
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@ -303,9 +303,9 @@ typedef struct hs_expr_ext {
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* @param expression
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* The NULL-terminated expression to parse. Note that this string must
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* represent ONLY the pattern to be matched, with no delimiters or flags;
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* any global flags should be specified with the @a flags argument. For
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* any global flags should be specified with the @p flags argument. For
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* example, the expression `/abc?def/i` should be compiled by providing
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* `abc?def` as the @a expression, and @ref HS_FLAG_CASELESS as the @a
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* `abc?def` as the @p expression, and @ref HS_FLAG_CASELESS as the @a
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* flags.
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*
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* @param flags
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@ -372,8 +372,8 @@ hs_error_t HS_CDECL hs_compile(const char *expression, unsigned int flags,
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* hs_compile()) these strings must contain only the pattern to be
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* matched, with no delimiters or flags. For example, the expression
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* `/abc?def/i` should be compiled by providing `abc?def` as the first
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* string in the @a expressions array, and @ref HS_FLAG_CASELESS as the
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* first value in the @a flags array.
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* string in the @p expressions array, and @ref HS_FLAG_CASELESS as the
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* first value in the @p flags array.
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*
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* @param flags
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* Array of flags which modify the behaviour of each expression. Multiple
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@ -428,7 +428,7 @@ hs_error_t HS_CDECL hs_compile(const char *expression, unsigned int flags,
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*
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* @return
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* @ref HS_SUCCESS is returned on successful compilation; @ref
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* HS_COMPILER_ERROR on failure, with details provided in the @a error
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* HS_COMPILER_ERROR on failure, with details provided in the @p error
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* parameter.
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*
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*/
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@ -452,8 +452,8 @@ hs_error_t HS_CDECL hs_compile_multi(const char *const *expressions,
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* hs_compile()) these strings must contain only the pattern to be
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* matched, with no delimiters or flags. For example, the expression
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* `/abc?def/i` should be compiled by providing `abc?def` as the first
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* string in the @a expressions array, and @ref HS_FLAG_CASELESS as the
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* first value in the @a flags array.
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* string in the @p expressions array, and @ref HS_FLAG_CASELESS as the
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* first value in the @p flags array.
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*
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* @param flags
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* Array of flags which modify the behaviour of each expression. Multiple
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@ -515,7 +515,7 @@ hs_error_t HS_CDECL hs_compile_multi(const char *const *expressions,
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*
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* @return
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* @ref HS_SUCCESS is returned on successful compilation; @ref
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* HS_COMPILER_ERROR on failure, with details provided in the @a error
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* HS_COMPILER_ERROR on failure, with details provided in the @p error
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* parameter.
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*
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*/
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@ -559,9 +559,9 @@ hs_error_t HS_CDECL hs_free_compile_error(hs_compile_error_t *error);
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* @param expression
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* The NULL-terminated expression to parse. Note that this string must
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* represent ONLY the pattern to be matched, with no delimiters or flags;
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* any global flags should be specified with the @a flags argument. For
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* any global flags should be specified with the @p flags argument. For
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* example, the expression `/abc?def/i` should be compiled by providing
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* `abc?def` as the @a expression, and @ref HS_FLAG_CASELESS as the @a
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* `abc?def` as the @p expression, and @ref HS_FLAG_CASELESS as the @a
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* flags.
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*
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* @param flags
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@ -621,9 +621,9 @@ hs_error_t HS_CDECL hs_expression_info(const char *expression,
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* @param expression
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* The NULL-terminated expression to parse. Note that this string must
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* represent ONLY the pattern to be matched, with no delimiters or flags;
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* any global flags should be specified with the @a flags argument. For
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* any global flags should be specified with the @p flags argument. For
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* example, the expression `/abc?def/i` should be compiled by providing
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* `abc?def` as the @a expression, and @ref HS_FLAG_CASELESS as the @a
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* `abc?def` as the @p expression, and @ref HS_FLAG_CASELESS as the @a
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* flags.
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*
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* @param flags
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@ -101,7 +101,7 @@ typedef struct hs_scratch hs_scratch_t;
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* - If the start of match value lies outside this horizon (possible only
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* when the SOM_HORIZON value is not @ref HS_MODE_SOM_HORIZON_LARGE),
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* the @a from value will be set to @ref HS_OFFSET_PAST_HORIZON.
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* the @p from value will be set to @ref HS_OFFSET_PAST_HORIZON.
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* - This argument will be set to zero if the Start of Match flag is not
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* enabled for the given pattern.
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@ -195,7 +195,7 @@ hs_error_t HS_CDECL hs_scan_stream(hs_stream_t *id, const char *data,
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*
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* This function completes matching on the given stream and frees the memory
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* associated with the stream state. After this call, the stream pointed to by
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* @a id is invalid and can no longer be used. To reuse the stream state after
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* @p id is invalid and can no longer be used. To reuse the stream state after
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* completion, rather than closing it, the @ref hs_reset_stream function can be
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* used.
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*
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@ -216,7 +216,7 @@ hs_error_t HS_CDECL hs_scan_stream(hs_stream_t *id, const char *data,
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*
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* @param scratch
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* A per-thread scratch space allocated by @ref hs_alloc_scratch(). This is
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* allowed to be NULL only if the @a onEvent callback is also NULL.
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* allowed to be NULL only if the @p onEvent callback is also NULL.
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*
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* @param onEvent
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* Pointer to a match event callback function. If a NULL pointer is given,
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@ -257,7 +257,7 @@ hs_error_t HS_CDECL hs_close_stream(hs_stream_t *id, hs_scratch_t *scratch,
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*
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* @param scratch
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* A per-thread scratch space allocated by @ref hs_alloc_scratch(). This is
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* allowed to be NULL only if the @a onEvent callback is also NULL.
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* allowed to be NULL only if the @p onEvent callback is also NULL.
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*
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* @param onEvent
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* Pointer to a match event callback function. If a NULL pointer is given,
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@ -293,7 +293,7 @@ hs_error_t HS_CDECL hs_copy_stream(hs_stream_t **to_id,
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/**
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* Duplicate the given 'from' stream state onto the 'to' stream. The 'to' stream
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* will first be reset (reporting any EOD matches if a non-NULL @a onEvent
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* will first be reset (reporting any EOD matches if a non-NULL @p onEvent
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* callback handler is provided).
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*
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* Note: the 'to' stream and the 'from' stream must be open against the same
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@ -308,7 +308,7 @@ hs_error_t HS_CDECL hs_copy_stream(hs_stream_t **to_id,
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*
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* @param scratch
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* A per-thread scratch space allocated by @ref hs_alloc_scratch(). This is
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* allowed to be NULL only if the @a onEvent callback is also NULL.
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* allowed to be NULL only if the @p onEvent callback is also NULL.
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*
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* @param onEvent
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* Pointer to a match event callback function. If a NULL pointer is given,
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@ -331,10 +331,10 @@ hs_error_t HS_CDECL hs_reset_and_copy_stream(hs_stream_t *to_id,
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* Creates a compressed representation of the provided stream in the buffer
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* provided. This compressed representation can be converted back into a stream
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* state by using @ref hs_expand_stream() or @ref hs_reset_and_expand_stream().
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* The size of the compressed representation will be placed into @a used_space.
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* The size of the compressed representation will be placed into @p used_space.
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*
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* If there is not sufficient space in the buffer to hold the compressed
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* represention, @ref HS_INSUFFICIENT_SPACE will be returned and @a used_space
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* representation, @ref HS_INSUFFICIENT_SPACE will be returned and @p used_space
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* will be populated with the amount of space required.
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*
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* Note: this function does not close the provided stream, you may continue to
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@ -346,15 +346,15 @@ hs_error_t HS_CDECL hs_reset_and_copy_stream(hs_stream_t *to_id,
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* @param buf
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* Buffer to write the compressed representation into. Note: if the call is
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* just being used to determine the amount of space required, it is allowed
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* to pass NULL here and @a buf_space as 0.
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* to pass NULL here and @p buf_space as 0.
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*
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* @param buf_space
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* The number of bytes in @a buf. If buf_space is too small, the call will
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* The number of bytes in @p buf. If buf_space is too small, the call will
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* fail with @ref HS_INSUFFICIENT_SPACE.
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*
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* @param used_space
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* Pointer to where the amount of used space will be written to. The used
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* buffer space is always less than or equal to @a buf_space. If the call
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* buffer space is always less than or equal to @p buf_space. If the call
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* fails with @ref HS_INSUFFICIENT_SPACE, this pointer will be used to
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* write out the amount of buffer space required.
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*
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@ -369,8 +369,8 @@ hs_error_t HS_CDECL hs_compress_stream(const hs_stream_t *stream, char *buf,
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* Decompresses a compressed representation created by @ref hs_compress_stream()
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* into a new stream.
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*
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* Note: @a buf must correspond to a complete compressed representation created
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* by @ref hs_compress_stream() of a stream that was opened against @a db. It is
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* Note: @p buf must correspond to a complete compressed representation created
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* by @ref hs_compress_stream() of a stream that was opened against @p db. It is
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* not always possible to detect misuse of this API and behaviour is undefined
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* if these properties are not satisfied.
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*
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@ -399,13 +399,13 @@ hs_error_t HS_CDECL hs_expand_stream(const hs_database_t *db,
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/**
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* Decompresses a compressed representation created by @ref hs_compress_stream()
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* on top of the 'to' stream. The 'to' stream will first be reset (reporting
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* any EOD matches if a non-NULL @a onEvent callback handler is provided).
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* any EOD matches if a non-NULL @p onEvent callback handler is provided).
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*
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* Note: the 'to' stream must be opened against the same database as the
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* compressed stream.
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*
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* Note: @a buf must correspond to a complete compressed representation created
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* by @ref hs_compress_stream() of a stream that was opened against @a db. It is
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* Note: @p buf must correspond to a complete compressed representation created
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* by @ref hs_compress_stream() of a stream that was opened against @p db. It is
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* not always possible to detect misuse of this API and behaviour is undefined
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* if these properties are not satisfied.
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*
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@ -422,7 +422,7 @@ hs_error_t HS_CDECL hs_expand_stream(const hs_database_t *db,
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*
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* @param scratch
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* A per-thread scratch space allocated by @ref hs_alloc_scratch(). This is
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* allowed to be NULL only if the @a onEvent callback is also NULL.
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* allowed to be NULL only if the @p onEvent callback is also NULL.
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*
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* @param onEvent
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* Pointer to a match event callback function. If a NULL pointer is given,
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@ -498,7 +498,7 @@ hs_error_t HS_CDECL hs_scan(const hs_database_t *db, const char *data,
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*
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* @param count
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* Number of data blocks to scan. This should correspond to the size of
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* of the @a data and @a length arrays.
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* of the @p data and @p length arrays.
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*
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* @param flags
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* Flags modifying the behaviour of this function. This parameter is
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