extend base64 api with url safe versions

1 files changed, 35 insertions, 1 deletions

diff --git a/include/nsutils/base64.h b/include/nsutils/base64.h
index 2baeec6..6dba643 100644
--- a/include/nsutils/base64.h
+++ b/include/nsutils/base64.h
@@ -36,6 +36,23 @@ nsuerror nsu_base64_encode_alloc(const uint8_t *input,
                                  size_t *output_length);
 
 /**
+ * Base 64 encode data.
+ *
+ * allocate a buffer and encode source data into it using the base64 URL safe
+ *   encoding.
+ *
+ * \param input The source data to encode.
+ * \param input_length The length of the source data.
+ * \param output The buffer to recive data into, the caller must free.
+ * \param output_length The length of data placed in \a output
+ * \return NSERROR_OK on success and \a output updated else error code.
+ */
+nsuerror nsu_base64_encode_alloc_url(const uint8_t *input,
+                                     size_t input_length,
+                                     uint8_t **output,
+                                     size_t *output_length);
+
+/**
  * Base 64 decode data.
  *
  * allocate a buffer and decode source data into it using the Base64 encoding.
@@ -50,5 +67,22 @@ nsuerror nsu_base64_decode_alloc(const uint8_t *input,
                                  size_t input_length,
                                  uint8_t **output,
                                  size_t *output_length);
- 
+
+/**
+ * Base 64 decode data.
+ *
+ * Allocate a buffer and decode source data into it using the Base64 URL safe
+ *   encoding.
+ *
+ * \param input The source data to decode.
+ * \param input_length The length of the source data.
+ * \param output The buffer to recive data into, the caller must free.
+ * \param output_length The length of data placed in \a output
+ * \return NSERROR_OK on success and \a output updated else error code.
+ */
+nsuerror nsu_base64_decode_alloc_url(const uint8_t *input,
+                                     size_t input_length,
+                                     uint8_t **output,
+                                     size_t *output_length);
+
 #endif