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-rw-r--r--src/shared/strbuf.h56
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diff --git a/src/shared/strbuf.h b/src/shared/strbuf.h
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2012 Kay Sievers <kay@vrfy.org>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+struct strbuf {
+ char *buf;
+ size_t len;
+ struct strbuf_node *root;
+
+ size_t nodes_count;
+ size_t in_count;
+ size_t in_len;
+ size_t dedup_len;
+ size_t dedup_count;
+};
+
+struct strbuf_node {
+ size_t value_off;
+ size_t value_len;
+
+ struct strbuf_child_entry *children;
+ uint8_t children_count;
+};
+
+struct strbuf_child_entry {
+ uint8_t c;
+ struct strbuf_node *child;
+};
+
+struct strbuf *strbuf_new(void);
+ssize_t strbuf_add_string(struct strbuf *str, const char *s, size_t len);
+void strbuf_complete(struct strbuf *str);
+void strbuf_cleanup(struct strbuf *str);