return null if len<=0

rlm2002 · rlm2002 · commit a827a82ed35f · 2026-03-26T16:11:19.000-06:00
diff --git a/src/ssl.c b/src/ssl.c
@@ -1274,7 +1274,7 @@ const char* wolfSSL_get_shared_ciphers(WOLFSSL* ssl, char* buf, int len)
 {
     const char* cipher;
 
-    if (ssl == NULL)
+    if (ssl == NULL || len <= 0)
         return NULL;
 
     cipher = wolfSSL_get_cipher_name_iana(ssl);

Original file line number	Diff line number	Diff line change
`@@ -1274,7 +1274,7 @@ const char* wolfSSL_get_shared_ciphers(WOLFSSL* ssl, char* buf, int len)`
`1274`	`1274`	`{`
`1275`	`1275`	`const char* cipher;`
`1276`	`1276`
`1277`		`- if (ssl == NULL)`
	`1277`	`+ if (ssl == NULL \|\| len <= 0)`
`1278`	`1278`	`return NULL;`
`1279`	`1279`
`1280`	`1280`	`cipher = wolfSSL_get_cipher_name_iana(ssl);`