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-rw-r--r--src/openssl.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/openssl.c b/src/openssl.c
index 814d95c..92e91ea 100644
--- a/src/openssl.c
+++ b/src/openssl.c
@@ -2846,8 +2846,13 @@ typedef const CRYPTO_EX_DATA const_CRYPTO_EX_DATA;
typedef CRYPTO_EX_DATA const_CRYPTO_EX_DATA;
#endif
+#if OPENSSL_PREREQ(3,0,0)
+/* the function signature was fixed in version 3.0.0 */
+static int ex_ondup(CRYPTO_EX_DATA *to NOTUSED, const_CRYPTO_EX_DATA *from NOTUSED, void **from_d, int idx NOTUSED, long argl NOTUSED, void *argp NOTUSED) {
+#else
static int ex_ondup(CRYPTO_EX_DATA *to NOTUSED, const_CRYPTO_EX_DATA *from NOTUSED, void *from_d, int idx NOTUSED, long argl NOTUSED, void *argp NOTUSED) {
- struct ex_data **data = from_d;
+#endif
+ struct ex_data **data = (struct ex_data **)from_d;
if (*data)
(*data)->refs++;