--- /dev/null
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/*
+ * Header for dynamic hash table routines Author - Eric Young
+ */
+
+#ifndef HEADER_LHASH_H
+# define HEADER_LHASH_H
+
+# include <openssl/e_os2.h>
+# include <openssl/bio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct lhash_node_st OPENSSL_LH_NODE;
+typedef int (*OPENSSL_LH_COMPFUNC) (const void *, const void *);
+typedef unsigned long (*OPENSSL_LH_HASHFUNC) (const void *);
+typedef void (*OPENSSL_LH_DOALL_FUNC) (void *);
+typedef void (*OPENSSL_LH_DOALL_FUNCARG) (void *, void *);
+typedef struct lhash_st OPENSSL_LHASH;
+
+/*
+ * Macros for declaring and implementing type-safe wrappers for LHASH
+ * callbacks. This way, callbacks can be provided to LHASH structures without
+ * function pointer casting and the macro-defined callbacks provide
+ * per-variable casting before deferring to the underlying type-specific
+ * callbacks. NB: It is possible to place a "static" in front of both the
+ * DECLARE and IMPLEMENT macros if the functions are strictly internal.
+ */
+
+/* First: "hash" functions */
+# define DECLARE_LHASH_HASH_FN(name, o_type) \
+ unsigned long name##_LHASH_HASH(const void *);
+# define IMPLEMENT_LHASH_HASH_FN(name, o_type) \
+ unsigned long name##_LHASH_HASH(const void *arg) { \
+ const o_type *a = arg; \
+ return name##_hash(a); }
+# define LHASH_HASH_FN(name) name##_LHASH_HASH
+
+/* Second: "compare" functions */
+# define DECLARE_LHASH_COMP_FN(name, o_type) \
+ int name##_LHASH_COMP(const void *, const void *);
+# define IMPLEMENT_LHASH_COMP_FN(name, o_type) \
+ int name##_LHASH_COMP(const void *arg1, const void *arg2) { \
+ const o_type *a = arg1; \
+ const o_type *b = arg2; \
+ return name##_cmp(a,b); }
+# define LHASH_COMP_FN(name) name##_LHASH_COMP
+
+/* Fourth: "doall_arg" functions */
+# define DECLARE_LHASH_DOALL_ARG_FN(name, o_type, a_type) \
+ void name##_LHASH_DOALL_ARG(void *, void *);
+# define IMPLEMENT_LHASH_DOALL_ARG_FN(name, o_type, a_type) \
+ void name##_LHASH_DOALL_ARG(void *arg1, void *arg2) { \
+ o_type *a = arg1; \
+ a_type *b = arg2; \
+ name##_doall_arg(a, b); }
+# define LHASH_DOALL_ARG_FN(name) name##_LHASH_DOALL_ARG
+
+
+# define LH_LOAD_MULT 256
+
+int OPENSSL_LH_error(OPENSSL_LHASH *lh);
+OPENSSL_LHASH *OPENSSL_LH_new(OPENSSL_LH_HASHFUNC h, OPENSSL_LH_COMPFUNC c);
+void OPENSSL_LH_free(OPENSSL_LHASH *lh);
+void *OPENSSL_LH_insert(OPENSSL_LHASH *lh, void *data);
+void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data);
+void *OPENSSL_LH_retrieve(OPENSSL_LHASH *lh, const void *data);
+void OPENSSL_LH_doall(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNC func);
+void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg);
+unsigned long OPENSSL_LH_strhash(const char *c);
+unsigned long OPENSSL_LH_num_items(const OPENSSL_LHASH *lh);
+unsigned long OPENSSL_LH_get_down_load(const OPENSSL_LHASH *lh);
+void OPENSSL_LH_set_down_load(OPENSSL_LHASH *lh, unsigned long down_load);
+
+# ifndef OPENSSL_NO_STDIO
+void OPENSSL_LH_stats(const OPENSSL_LHASH *lh, FILE *fp);
+void OPENSSL_LH_node_stats(const OPENSSL_LHASH *lh, FILE *fp);
+void OPENSSL_LH_node_usage_stats(const OPENSSL_LHASH *lh, FILE *fp);
+# endif
+void OPENSSL_LH_stats_bio(const OPENSSL_LHASH *lh, BIO *out);
+void OPENSSL_LH_node_stats_bio(const OPENSSL_LHASH *lh, BIO *out);
+void OPENSSL_LH_node_usage_stats_bio(const OPENSSL_LHASH *lh, BIO *out);
+
+# if OPENSSL_API_COMPAT < 0x10100000L
+# define _LHASH OPENSSL_LHASH
+# define LHASH_NODE OPENSSL_LH_NODE
+# define lh_error OPENSSL_LH_error
+# define lh_new OPENSSL_lh_new
+# define lh_free OPENSSL_LH_free
+# define lh_insert OPENSSL_LH_insert
+# define lh_delete OPENSSL_LH_delete
+# define lh_retrieve OPENSSL_LH_retrieve
+# define lh_doall OPENSSL_LH_doall
+# define lh_doall_arg OPENSSL_LH_doall_arg
+# define lh_strhash OPENSSL_LH_strhash
+# define lh_num_items OPENSSL_LH_num_items
+# ifndef OPENSSL_NO_STDIO
+# define lh_stats OPENSSL_LH_stats
+# define lh_node_stats OPENSSL_LH_node_stats
+# define lh_node_usage_stats OPENSSL_LH_node_usage_stats
+# endif
+# define lh_stats_bio OPENSSL_LH_stats_bio
+# define lh_node_stats_bio OPENSSL_LH_node_stats_bio
+# define lh_node_usage_stats_bio OPENSSL_LH_node_usage_stats_bio
+# endif
+
+/* Type checking... */
+
+# define LHASH_OF(type) struct lhash_st_##type
+
+# define DEFINE_LHASH_OF(type) \
+ LHASH_OF(type) { union lh_##type##_dummy { void* d1; unsigned long d2; int d3; } dummy; }; \
+ static ossl_inline LHASH_OF(type) * \
+ lh_##type##_new(unsigned long (*hfn)(const type *), \
+ int (*cfn)(const type *, const type *)) \
+ { \
+ return (LHASH_OF(type) *) \
+ OPENSSL_LH_new((OPENSSL_LH_HASHFUNC)hfn, (OPENSSL_LH_COMPFUNC)cfn); \
+ } \
+ static ossl_inline void lh_##type##_free(LHASH_OF(type) *lh) \
+ { \
+ OPENSSL_LH_free((OPENSSL_LHASH *)lh); \
+ } \
+ static ossl_inline type *lh_##type##_insert(LHASH_OF(type) *lh, type *d) \
+ { \
+ return (type *)OPENSSL_LH_insert((OPENSSL_LHASH *)lh, d); \
+ } \
+ static ossl_inline type *lh_##type##_delete(LHASH_OF(type) *lh, const type *d) \
+ { \
+ return (type *)OPENSSL_LH_delete((OPENSSL_LHASH *)lh, d); \
+ } \
+ static ossl_inline type *lh_##type##_retrieve(LHASH_OF(type) *lh, const type *d) \
+ { \
+ return (type *)OPENSSL_LH_retrieve((OPENSSL_LHASH *)lh, d); \
+ } \
+ static ossl_inline int lh_##type##_error(LHASH_OF(type) *lh) \
+ { \
+ return OPENSSL_LH_error((OPENSSL_LHASH *)lh); \
+ } \
+ static ossl_inline unsigned long lh_##type##_num_items(LHASH_OF(type) *lh) \
+ { \
+ return OPENSSL_LH_num_items((OPENSSL_LHASH *)lh); \
+ } \
+ static ossl_inline void lh_##type##_node_stats_bio(const LHASH_OF(type) *lh, BIO *out) \
+ { \
+ OPENSSL_LH_node_stats_bio((const OPENSSL_LHASH *)lh, out); \
+ } \
+ static ossl_inline void lh_##type##_node_usage_stats_bio(const LHASH_OF(type) *lh, BIO *out) \
+ { \
+ OPENSSL_LH_node_usage_stats_bio((const OPENSSL_LHASH *)lh, out); \
+ } \
+ static ossl_inline void lh_##type##_stats_bio(const LHASH_OF(type) *lh, BIO *out) \
+ { \
+ OPENSSL_LH_stats_bio((const OPENSSL_LHASH *)lh, out); \
+ } \
+ static ossl_inline unsigned long lh_##type##_get_down_load(LHASH_OF(type) *lh) \
+ { \
+ return OPENSSL_LH_get_down_load((OPENSSL_LHASH *)lh); \
+ } \
+ static ossl_inline void lh_##type##_set_down_load(LHASH_OF(type) *lh, unsigned long dl) \
+ { \
+ OPENSSL_LH_set_down_load((OPENSSL_LHASH *)lh, dl); \
+ } \
+ static ossl_inline void lh_##type##_doall(LHASH_OF(type) *lh, \
+ void (*doall)(type *)) \
+ { \
+ OPENSSL_LH_doall((OPENSSL_LHASH *)lh, (OPENSSL_LH_DOALL_FUNC)doall); \
+ } \
+ LHASH_OF(type)
+
+#define IMPLEMENT_LHASH_DOALL_ARG_CONST(type, argtype) \
+ int_implement_lhash_doall(type, argtype, const type)
+
+#define IMPLEMENT_LHASH_DOALL_ARG(type, argtype) \
+ int_implement_lhash_doall(type, argtype, type)
+
+#define int_implement_lhash_doall(type, argtype, cbargtype) \
+ static ossl_inline void \
+ lh_##type##_doall_##argtype(LHASH_OF(type) *lh, \
+ void (*fn)(cbargtype *, argtype *), \
+ argtype *arg) \
+ { \
+ OPENSSL_LH_doall_arg((OPENSSL_LHASH *)lh, (OPENSSL_LH_DOALL_FUNCARG)fn, (void *)arg); \
+ } \
+ LHASH_OF(type)
+
+DEFINE_LHASH_OF(OPENSSL_STRING);
+DEFINE_LHASH_OF(OPENSSL_CSTRING);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
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