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-rw-r--r--lib/ngtcp2_opl.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/ngtcp2_opl.c b/lib/ngtcp2_opl.c
new file mode 100644
index 0000000..a29361c
--- /dev/null
+++ b/lib/ngtcp2_opl.c
@@ -0,0 +1,46 @@
+/*
+ * ngtcp2
+ *
+ * Copyright (c) 2022 ngtcp2 contributors
+ *
+ * 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.
+ */
+#include "ngtcp2_opl.h"
+
+void ngtcp2_opl_init(ngtcp2_opl *opl) { opl->head = NULL; }
+
+void ngtcp2_opl_push(ngtcp2_opl *opl, ngtcp2_opl_entry *ent) {
+ ent->next = opl->head;
+ opl->head = ent;
+}
+
+ngtcp2_opl_entry *ngtcp2_opl_pop(ngtcp2_opl *opl) {
+ ngtcp2_opl_entry *ent = opl->head;
+
+ if (!ent) {
+ return NULL;
+ }
+
+ opl->head = ent->next;
+
+ return ent;
+}
+
+void ngtcp2_opl_clear(ngtcp2_opl *opl) { opl->head = NULL; }