diff options
Diffstat (limited to 'crypto/lhash/lhash.h')
| -rw-r--r-- | crypto/lhash/lhash.h | 255 |
1 files changed, 127 insertions, 128 deletions
diff --git a/crypto/lhash/lhash.h b/crypto/lhash/lhash.h index e7d8763591..b6c328bffb 100644 --- a/crypto/lhash/lhash.h +++ b/crypto/lhash/lhash.h @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,128 +49,128 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ -/* Header for dynamic hash table routines - * Author - Eric Young +/* + * Header for dynamic hash table routines Author - Eric Young */ #ifndef HEADER_LHASH_H -#define HEADER_LHASH_H +# define HEADER_LHASH_H -#include <openssl/e_os2.h> -#ifndef OPENSSL_NO_FP_API -#include <stdio.h> -#endif +# include <openssl/e_os2.h> +# ifndef OPENSSL_NO_FP_API +# include <stdio.h> +# endif -#ifndef OPENSSL_NO_BIO -#include <openssl/bio.h> -#endif +# ifndef OPENSSL_NO_BIO +# include <openssl/bio.h> +# endif #ifdef __cplusplus extern "C" { #endif -typedef struct lhash_node_st - { - void *data; - struct lhash_node_st *next; -#ifndef OPENSSL_NO_HASH_COMP - unsigned long hash; -#endif - } LHASH_NODE; - -typedef int (*LHASH_COMP_FN_TYPE)(const void *, const void *); -typedef unsigned long (*LHASH_HASH_FN_TYPE)(const void *); -typedef void (*LHASH_DOALL_FN_TYPE)(void *); -typedef void (*LHASH_DOALL_ARG_FN_TYPE)(void *, void *); - -/* 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. */ +typedef struct lhash_node_st { + void *data; + struct lhash_node_st *next; +# ifndef OPENSSL_NO_HASH_COMP + unsigned long hash; +# endif +} LHASH_NODE; + +typedef int (*LHASH_COMP_FN_TYPE) (const void *, const void *); +typedef unsigned long (*LHASH_HASH_FN_TYPE) (const void *); +typedef void (*LHASH_DOALL_FN_TYPE) (void *); +typedef void (*LHASH_DOALL_ARG_FN_TYPE) (void *, void *); + +/* + * 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 +# 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 +# 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 /* Third: "doall" functions */ -#define DECLARE_LHASH_DOALL_FN(name, o_type) \ - void name##_LHASH_DOALL(void *); -#define IMPLEMENT_LHASH_DOALL_FN(name, o_type) \ - void name##_LHASH_DOALL(void *arg) { \ - o_type *a = arg; \ - name##_doall(a); } -#define LHASH_DOALL_FN(name) name##_LHASH_DOALL +# define DECLARE_LHASH_DOALL_FN(name, o_type) \ + void name##_LHASH_DOALL(void *); +# define IMPLEMENT_LHASH_DOALL_FN(name, o_type) \ + void name##_LHASH_DOALL(void *arg) { \ + o_type *a = arg; \ + name##_doall(a); } +# define LHASH_DOALL_FN(name) name##_LHASH_DOALL /* 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 - -typedef struct lhash_st - { - LHASH_NODE **b; - LHASH_COMP_FN_TYPE comp; - LHASH_HASH_FN_TYPE hash; - unsigned int num_nodes; - unsigned int num_alloc_nodes; - unsigned int p; - unsigned int pmax; - unsigned long up_load; /* load times 256 */ - unsigned long down_load; /* load times 256 */ - unsigned long num_items; - - unsigned long num_expands; - unsigned long num_expand_reallocs; - unsigned long num_contracts; - unsigned long num_contract_reallocs; - unsigned long num_hash_calls; - unsigned long num_comp_calls; - unsigned long num_insert; - unsigned long num_replace; - unsigned long num_delete; - unsigned long num_no_delete; - unsigned long num_retrieve; - unsigned long num_retrieve_miss; - unsigned long num_hash_comps; - - int error; - } _LHASH; /* Do not use _LHASH directly, use LHASH_OF - * and friends */ - -#define LH_LOAD_MULT 256 - -/* Indicates a malloc() error in the last call, this is only bad - * in lh_insert(). */ -#define lh_error(lh) ((lh)->error) +# 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 + +typedef struct lhash_st { + LHASH_NODE **b; + LHASH_COMP_FN_TYPE comp; + LHASH_HASH_FN_TYPE hash; + unsigned int num_nodes; + unsigned int num_alloc_nodes; + unsigned int p; + unsigned int pmax; + unsigned long up_load; /* load times 256 */ + unsigned long down_load; /* load times 256 */ + unsigned long num_items; + unsigned long num_expands; + unsigned long num_expand_reallocs; + unsigned long num_contracts; + unsigned long num_contract_reallocs; + unsigned long num_hash_calls; + unsigned long num_comp_calls; + unsigned long num_insert; + unsigned long num_replace; + unsigned long num_delete; + unsigned long num_no_delete; + unsigned long num_retrieve; + unsigned long num_retrieve_miss; + unsigned long num_hash_comps; + int error; +} _LHASH; /* Do not use _LHASH directly, use LHASH_OF + * and friends */ + +# define LH_LOAD_MULT 256 + +/* + * Indicates a malloc() error in the last call, this is only bad in + * lh_insert(). + */ +# define lh_error(lh) ((lh)->error) _LHASH *lh_new(LHASH_HASH_FN_TYPE h, LHASH_COMP_FN_TYPE c); void lh_free(_LHASH *lh); @@ -182,53 +182,53 @@ void lh_doall_arg(_LHASH *lh, LHASH_DOALL_ARG_FN_TYPE func, void *arg); unsigned long lh_strhash(const char *c); unsigned long lh_num_items(const _LHASH *lh); -#ifndef OPENSSL_NO_FP_API +# ifndef OPENSSL_NO_FP_API void lh_stats(const _LHASH *lh, FILE *out); void lh_node_stats(const _LHASH *lh, FILE *out); void lh_node_usage_stats(const _LHASH *lh, FILE *out); -#endif +# endif -#ifndef OPENSSL_NO_BIO +# ifndef OPENSSL_NO_BIO void lh_stats_bio(const _LHASH *lh, BIO *out); void lh_node_stats_bio(const _LHASH *lh, BIO *out); void lh_node_usage_stats_bio(const _LHASH *lh, BIO *out); -#endif +# endif /* Type checking... */ -#define LHASH_OF(type) struct lhash_st_##type +# define LHASH_OF(type) struct lhash_st_##type -#define DECLARE_LHASH_OF(type) LHASH_OF(type) { int dummy; } +# define DECLARE_LHASH_OF(type) LHASH_OF(type) { int dummy; } -#define CHECKED_LHASH_OF(type,lh) \ +# define CHECKED_LHASH_OF(type,lh) \ ((_LHASH *)CHECKED_PTR_OF(LHASH_OF(type),lh)) /* Define wrapper functions. */ -#define LHM_lh_new(type, name) \ +# define LHM_lh_new(type, name) \ ((LHASH_OF(type) *)lh_new(LHASH_HASH_FN(name), LHASH_COMP_FN(name))) -#define LHM_lh_error(type, lh) \ +# define LHM_lh_error(type, lh) \ lh_error(CHECKED_LHASH_OF(type,lh)) -#define LHM_lh_insert(type, lh, inst) \ +# define LHM_lh_insert(type, lh, inst) \ ((type *)lh_insert(CHECKED_LHASH_OF(type, lh), \ - CHECKED_PTR_OF(type, inst))) -#define LHM_lh_retrieve(type, lh, inst) \ + CHECKED_PTR_OF(type, inst))) +# define LHM_lh_retrieve(type, lh, inst) \ ((type *)lh_retrieve(CHECKED_LHASH_OF(type, lh), \ - CHECKED_PTR_OF(type, inst))) -#define LHM_lh_delete(type, lh, inst) \ - ((type *)lh_delete(CHECKED_LHASH_OF(type, lh), \ - CHECKED_PTR_OF(type, inst))) -#define LHM_lh_doall(type, lh,fn) lh_doall(CHECKED_LHASH_OF(type, lh), fn) -#define LHM_lh_doall_arg(type, lh, fn, arg_type, arg) \ + CHECKED_PTR_OF(type, inst))) +# define LHM_lh_delete(type, lh, inst) \ + ((type *)lh_delete(CHECKED_LHASH_OF(type, lh), \ + CHECKED_PTR_OF(type, inst))) +# define LHM_lh_doall(type, lh,fn) lh_doall(CHECKED_LHASH_OF(type, lh), fn) +# define LHM_lh_doall_arg(type, lh, fn, arg_type, arg) \ lh_doall_arg(CHECKED_LHASH_OF(type, lh), fn, CHECKED_PTR_OF(arg_type, arg)) -#define LHM_lh_num_items(type, lh) lh_num_items(CHECKED_LHASH_OF(type, lh)) -#define LHM_lh_down_load(type, lh) (CHECKED_LHASH_OF(type, lh)->down_load) -#define LHM_lh_node_stats_bio(type, lh, out) \ +# define LHM_lh_num_items(type, lh) lh_num_items(CHECKED_LHASH_OF(type, lh)) +# define LHM_lh_down_load(type, lh) (CHECKED_LHASH_OF(type, lh)->down_load) +# define LHM_lh_node_stats_bio(type, lh, out) \ lh_node_stats_bio(CHECKED_LHASH_OF(type, lh), out) -#define LHM_lh_node_usage_stats_bio(type, lh, out) \ +# define LHM_lh_node_usage_stats_bio(type, lh, out) \ lh_node_usage_stats_bio(CHECKED_LHASH_OF(type, lh), out) -#define LHM_lh_stats_bio(type, lh, out) \ +# define LHM_lh_stats_bio(type, lh, out) \ lh_stats_bio(CHECKED_LHASH_OF(type, lh), out) -#define LHM_lh_free(type, lh) lh_free(CHECKED_LHASH_OF(type, lh)) +# define LHM_lh_free(type, lh) lh_free(CHECKED_LHASH_OF(type, lh)) DECLARE_LHASH_OF(OPENSSL_STRING); DECLARE_LHASH_OF(OPENSSL_CSTRING); @@ -238,4 +238,3 @@ DECLARE_LHASH_OF(OPENSSL_CSTRING); #endif #endif - |