1 files changed, 67 insertions, 0 deletions
diff --git a/fuzz/mem.h b/fuzz/mem.h
new file mode 100644
index 0000000..5a49b56
--- /dev/null
+++ b/fuzz/mem.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2017 Nikos Mavrogiannopoulos
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef MEM_H
+# define MEM_H
+
+typedef struct mem_st {
+	const uint8_t *data;
+	size_t size;
+} mem_st;
+
+#define MIN(x,y) ((x)<(y)?(x):(y))
+static ssize_t
+mem_push(gnutls_transport_ptr_t tr, const void *data, size_t len)
+{
+	return len;
+}
+
+static ssize_t mem_pull(gnutls_transport_ptr_t tr, void *data, size_t len)
+{
+	struct mem_st *p = (struct mem_st *)tr;
+
+	if (p->size == 0) {
+		return 0;
+	}
+
+	len = MIN(len, p->size);
+	memcpy(data, p->data, len);
+
+	p->size -= len;
+	p->data += len;
+
+	return len;
+}
+
+static
+int mem_pull_timeout(gnutls_transport_ptr_t tr, unsigned int ms)
+{
+	struct mem_st *p = (struct mem_st *)tr;
+
+	if (p->size > 0)
+		return 1;	/* available data */
+	else
+		return 0;	/* timeout */
+}
+
+#endif