[riot-notifications] [RIOT-OS/RIOT] sys/base64: Add size estimation functions (#10796)
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Thu Jan 24 11:39:34 CET 2019
danpetry commented on this pull request.
> + */
+static inline size_t base64_estimate_decode_size(size_t base64_in_size)
+ return ((base64_in_size / 4) * 3);
+ * @brief Estimates the length of the resulting string after encoding
+ * @p data_in_size bytes into base64.
+ * @param[in] data_in_size Amount of bytes to be encoded
+ * @return Amount of characters the output string is estimated to have
+static inline size_t base64_estimate_encode_size(size_t data_in_size)
+ return (4 * ((data_in_size + 2) / 3));
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