Document that SSL_CTX_sess_set_get_cb's id parameter should be const.
See also upstream's bf0fc41266f17311c5db1e0541d3dd12eb27deb6.
Change-Id: Ib692b0ad608f2e3291f2aeab2ad98a7e177d5851
Reviewed-on: https://boringssl-review.googlesource.com/6150
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/include/openssl/ssl.h b/include/openssl/ssl.h
index 6a4676d..c8e8872 100644
--- a/include/openssl/ssl.h
+++ b/include/openssl/ssl.h
@@ -1576,7 +1576,10 @@
* |SSL_ERROR_PENDING_SESSION|.
*
* If the internal session cache is enabled, the callback is only consulted if
- * the internal cache does not return a match. */
+ * the internal cache does not return a match.
+ *
+ * The callback's |id| parameter is not const for historical reasons, but the
+ * contents may not be modified. */
OPENSSL_EXPORT void SSL_CTX_sess_set_get_cb(
SSL_CTX *ctx,
SSL_SESSION *(*get_session_cb)(SSL *ssl, uint8_t *id, int id_len,
