From 2087cc237cd0fe1ed29ebf891648bacb46f4833b Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Sun, 26 Jun 2022 16:45:52 +0200 Subject: Cleanup: move libutil headers to sub directory Move all the libutil stuff from the toplevel include/ to a util/ sub directory and fix up the includes that make use of them. Signed-off-by: David Oberhollenzer --- include/util/rbtree.h | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 include/util/rbtree.h (limited to 'include/util/rbtree.h') diff --git a/include/util/rbtree.h b/include/util/rbtree.h new file mode 100644 index 0000000..aac175b --- /dev/null +++ b/include/util/rbtree.h @@ -0,0 +1,74 @@ +/* SPDX-License-Identifier: LGPL-3.0-or-later */ +/* + * rbtree.h + * + * Copyright (C) 2019 David Oberhollenzer + */ +#ifndef SQFS_RBTREE_H +#define SQFS_RBTREE_H + +#include "config.h" +#include "sqfs/predef.h" +#include "mempool.h" +#include "compat.h" + +#include + +typedef struct rbtree_node_t { + struct rbtree_node_t *left; + struct rbtree_node_t *right; + sqfs_u32 value_offset; + sqfs_u32 is_red : 1; + sqfs_u32 pad0 : 31; + + sqfs_u8 data[]; +} rbtree_node_t; + +typedef struct rbtree_t { + rbtree_node_t *root; + +#ifndef NO_CUSTOM_ALLOC + mem_pool_t *pool; +#endif + + int (*key_compare)(const void *ctx, + const void *lhs, const void *hrs); + + size_t key_size; + size_t key_size_padded; + + size_t value_size; + + void *key_context; +} rbtree_t; + +static SQFS_INLINE void *rbtree_node_key(rbtree_node_t *n) +{ + return n->data; +} + +static SQFS_INLINE void *rbtree_node_value(rbtree_node_t *n) +{ + return n->data + n->value_offset; +} + +SQFS_INTERNAL int rbtree_init(rbtree_t *tree, size_t keysize, size_t valuesize, + int(*key_compare)(const void *, const void *, + const void *)); + +SQFS_INTERNAL void rbtree_cleanup(rbtree_t *tree); + +SQFS_INTERNAL int rbtree_copy(const rbtree_t *tree, rbtree_t *out); + +SQFS_INTERNAL int rbtree_insert(rbtree_t *tree, const void *key, + const void *value); + +SQFS_INTERNAL rbtree_node_t *rbtree_lookup(const rbtree_t *tree, + const void *key); + +#ifdef __cplusplus +} +#endif + +#endif /* TOOLS_RBTREE_H */ + -- cgit v1.2.3