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-rw-r--r--lib/ngtcp2_opl.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/lib/ngtcp2_opl.h b/lib/ngtcp2_opl.h
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+++ b/lib/ngtcp2_opl.h
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+/*
+ * 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.
+ */
+#ifndef NGTCP2_OPL_H
+#define NGTCP2_OPL_H
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <ngtcp2/ngtcp2.h>
+
+typedef struct ngtcp2_opl_entry ngtcp2_opl_entry;
+
+struct ngtcp2_opl_entry {
+ ngtcp2_opl_entry *next;
+};
+
+/*
+ * ngtcp2_opl is an object memory pool.
+ */
+typedef struct ngtcp2_opl {
+ ngtcp2_opl_entry *head;
+} ngtcp2_opl;
+
+/*
+ * ngtcp2_opl_init initializes |opl|.
+ */
+void ngtcp2_opl_init(ngtcp2_opl *opl);
+
+/*
+ * ngtcp2_opl_push inserts |ent| to |opl| head.
+ */
+void ngtcp2_opl_push(ngtcp2_opl *opl, ngtcp2_opl_entry *ent);
+
+/*
+ * ngtcp2_opl_pop removes the first ngtcp2_opl_entry from |opl| and
+ * returns it. If |opl| does not have any entry, it returns NULL.
+ */
+ngtcp2_opl_entry *ngtcp2_opl_pop(ngtcp2_opl *opl);
+
+void ngtcp2_opl_clear(ngtcp2_opl *opl);
+
+#endif /* NGTCP2_OPL_H */