diff options
Diffstat (limited to 'src/lzw.h')
| -rw-r--r-- | src/lzw.h | 22 |
1 files changed, 10 insertions, 12 deletions
@@ -74,23 +74,21 @@ lzw_result lzw_decode_init( const uint8_t *compressed_data, uint32_t compressed_data_len, uint32_t compressed_data_pos, - uint8_t minimum_code_size, - const uint8_t ** const stack_base_out); + uint8_t minimum_code_size); /** - * Fill the LZW stack with decompressed data + * Read a single LZW code and write into lzw context owned output buffer. * - * Ensure anything on the stack is used before calling this, as anything - * on the stack before this call will be trampled. + * Ensure anything in output is used before calling this, as anything + * on the there before this call will be trampled. * - * \param[in] ctx LZW reading context, updated. - * \param[out] written Returns the number of values written. - * Use with `stack_base_out` value from previous - * lzw_decode_init() call. + * \param[in] ctx LZW reading context, updated. + * \param[out] data Returns pointer to array of output values. + * \param[out] used Returns the number of values written to data. * \return LZW_OK on success, or appropriate error code otherwise. */ -lzw_result lzw_decode( - struct lzw_ctx *ctx, - uint32_t *written); +lzw_result lzw_decode(struct lzw_ctx *ctx, + const uint8_t *restrict *const restrict data, + uint32_t *restrict used); #endif |