lzw: Add function for decoding multiple LZW codes at a time.

1 files changed, 15 insertions, 0 deletions

diff --git a/src/lzw.h b/src/lzw.h
index dd0191e..c130c24 100644
--- a/src/lzw.h
+++ b/src/lzw.h
@@ -91,4 +91,19 @@ lzw_result lzw_decode(struct lzw_ctx *ctx,
 		const uint8_t *restrict *const restrict data,
 		uint32_t *restrict used);
 
+/**
+ * Read input codes until end of lzw context owned output buffer.
+ *
+ * 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] 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_continuous(struct lzw_ctx *ctx,
+		const uint8_t ** const data,
+		uint32_t *used);
+
 #endif