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authorMattias Andrée <maandree@kth.se>2022-02-12 16:41:47 +0100
committerMattias Andrée <maandree@kth.se>2022-02-12 16:41:47 +0100
commite9027b2910c0ad903b0e6a88e4a4004a128f0630 (patch)
treea849a3122f13965a3685bed02e89bbacfca9c08b /libar2.h
parentAdd man pages, readme, and nonnull attributes and fix documentation typos (diff)
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libar2_encode_base64: data may be NULL if buf is NULL
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libar2.h')
-rw-r--r--libar2.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/libar2.h b/libar2.h
index f4f3412..144b430 100644
--- a/libar2.h
+++ b/libar2.h
@@ -543,7 +543,8 @@ size_t libar2_encode_params(char *buf, const struct libar2_argon2_parameters *pa
* to a length divible by 4
*
* @param buf Output buffer, or `NULL`
- * @param data The data to encode
+ * @param data The data to encode, may be
+ * `NULL` if `buf` is `NULL`
* @param len The number of bytes in `data`
* @return The number of bytes required for `buf`,
* including the NUL byte added to the end