HACK: make br_sslio_read(ctx, dst, len) return buffered length if dst is NULL

sandeepmistry · sandeepmistry · commit 92b7f0fdcfa4 · 2017-11-08T12:13:58.000-05:00
This let’s us use it in Client::available()
diff --git a/src/bearssl/ssl_io.c b/src/bearssl/ssl_io.c
@@ -156,6 +156,11 @@ br_sslio_read(br_sslio_context *ctx, void *dst, size_t len)
 		return -1;
 	}
 	buf = br_ssl_engine_recvapp_buf(ctx->engine, &alen);
+#ifdef ARDUINO
+	if (dst == NULL) {
+		return (int)alen;
+	}
+#endif
 	if (alen > len) {
 		alen = len;
 	}

Original file line number	Diff line number	Diff line change
`@@ -156,6 +156,11 @@ br_sslio_read(br_sslio_context ctx, void dst, size_t len)`
`156`	`156`	`return -1;`
`157`	`157`	`}`
`158`	`158`	`buf = br_ssl_engine_recvapp_buf(ctx->engine, &alen);`
	`159`	`+#ifdef ARDUINO`
	`160`	`+ if (dst == NULL) {`
	`161`	`+ return (int)alen;`
	`162`	`+ }`
	`163`	`+#endif`
`159`	`164`	`if (alen > len) {`
`160`	`165`	`alen = len;`
`161`	`166`	`}`