diff options
Diffstat (limited to 'openssl/crypto/lhash')
| -rw-r--r-- | openssl/crypto/lhash/lh_stats.c | 248 | ||||
| -rw-r--r-- | openssl/crypto/lhash/lh_test.c | 88 | ||||
| -rw-r--r-- | openssl/crypto/lhash/lhash.c | 475 | ||||
| -rw-r--r-- | openssl/crypto/lhash/lhash.h | 241 | ||||
| -rw-r--r-- | openssl/crypto/lhash/num.pl | 17 |
5 files changed, 1069 insertions, 0 deletions
diff --git a/openssl/crypto/lhash/lh_stats.c b/openssl/crypto/lhash/lh_stats.c new file mode 100644 index 00000000..815615e3 --- /dev/null +++ b/openssl/crypto/lhash/lh_stats.c @@ -0,0 +1,248 @@ +/* crypto/lhash/lh_stats.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * 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: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * 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 + * 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 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * 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.] + */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +/* If you wish to build this outside of SSLeay, remove the following lines + * and things should work as expected */ +#include "cryptlib.h" + +#ifndef OPENSSL_NO_BIO +#include <openssl/bio.h> +#endif +#include <openssl/lhash.h> + +#ifdef OPENSSL_NO_BIO + +void lh_stats(LHASH *lh, FILE *out) + { + fprintf(out,"num_items = %lu\n",lh->num_items); + fprintf(out,"num_nodes = %u\n",lh->num_nodes); + fprintf(out,"num_alloc_nodes = %u\n",lh->num_alloc_nodes); + fprintf(out,"num_expands = %lu\n",lh->num_expands); + fprintf(out,"num_expand_reallocs = %lu\n",lh->num_expand_reallocs); + fprintf(out,"num_contracts = %lu\n",lh->num_contracts); + fprintf(out,"num_contract_reallocs = %lu\n",lh->num_contract_reallocs); + fprintf(out,"num_hash_calls = %lu\n",lh->num_hash_calls); + fprintf(out,"num_comp_calls = %lu\n",lh->num_comp_calls); + fprintf(out,"num_insert = %lu\n",lh->num_insert); + fprintf(out,"num_replace = %lu\n",lh->num_replace); + fprintf(out,"num_delete = %lu\n",lh->num_delete); + fprintf(out,"num_no_delete = %lu\n",lh->num_no_delete); + fprintf(out,"num_retrieve = %lu\n",lh->num_retrieve); + fprintf(out,"num_retrieve_miss = %lu\n",lh->num_retrieve_miss); + fprintf(out,"num_hash_comps = %lu\n",lh->num_hash_comps); +#if 0 + fprintf(out,"p = %u\n",lh->p); + fprintf(out,"pmax = %u\n",lh->pmax); + fprintf(out,"up_load = %lu\n",lh->up_load); + fprintf(out,"down_load = %lu\n",lh->down_load); +#endif + } + +void lh_node_stats(LHASH *lh, FILE *out) + { + LHASH_NODE *n; + unsigned int i,num; + + for (i=0; i<lh->num_nodes; i++) + { + for (n=lh->b[i],num=0; n != NULL; n=n->next) + num++; + fprintf(out,"node %6u -> %3u\n",i,num); + } + } + +void lh_node_usage_stats(LHASH *lh, FILE *out) + { + LHASH_NODE *n; + unsigned long num; + unsigned int i; + unsigned long total=0,n_used=0; + + for (i=0; i<lh->num_nodes; i++) + { + for (n=lh->b[i],num=0; n != NULL; n=n->next) + num++; + if (num != 0) + { + n_used++; + total+=num; + } + } + fprintf(out,"%lu nodes used out of %u\n",n_used,lh->num_nodes); + fprintf(out,"%lu items\n",total); + if (n_used == 0) return; + fprintf(out,"load %d.%02d actual load %d.%02d\n", + (int)(total/lh->num_nodes), + (int)((total%lh->num_nodes)*100/lh->num_nodes), + (int)(total/n_used), + (int)((total%n_used)*100/n_used)); + } + +#else + +#ifndef OPENSSL_NO_FP_API +void lh_stats(const _LHASH *lh, FILE *fp) + { + BIO *bp; + + bp=BIO_new(BIO_s_file()); + if (bp == NULL) goto end; + BIO_set_fp(bp,fp,BIO_NOCLOSE); + lh_stats_bio(lh,bp); + BIO_free(bp); +end:; + } + +void lh_node_stats(const _LHASH *lh, FILE *fp) + { + BIO *bp; + + bp=BIO_new(BIO_s_file()); + if (bp == NULL) goto end; + BIO_set_fp(bp,fp,BIO_NOCLOSE); + lh_node_stats_bio(lh,bp); + BIO_free(bp); +end:; + } + +void lh_node_usage_stats(const _LHASH *lh, FILE *fp) + { + BIO *bp; + + bp=BIO_new(BIO_s_file()); + if (bp == NULL) goto end; + BIO_set_fp(bp,fp,BIO_NOCLOSE); + lh_node_usage_stats_bio(lh,bp); + BIO_free(bp); +end:; + } + +#endif + +void lh_stats_bio(const _LHASH *lh, BIO *out) + { + BIO_printf(out,"num_items = %lu\n",lh->num_items); + BIO_printf(out,"num_nodes = %u\n",lh->num_nodes); + BIO_printf(out,"num_alloc_nodes = %u\n",lh->num_alloc_nodes); + BIO_printf(out,"num_expands = %lu\n",lh->num_expands); + BIO_printf(out,"num_expand_reallocs = %lu\n", + lh->num_expand_reallocs); + BIO_printf(out,"num_contracts = %lu\n",lh->num_contracts); + BIO_printf(out,"num_contract_reallocs = %lu\n", + lh->num_contract_reallocs); + BIO_printf(out,"num_hash_calls = %lu\n",lh->num_hash_calls); + BIO_printf(out,"num_comp_calls = %lu\n",lh->num_comp_calls); + BIO_printf(out,"num_insert = %lu\n",lh->num_insert); + BIO_printf(out,"num_replace = %lu\n",lh->num_replace); + BIO_printf(out,"num_delete = %lu\n",lh->num_delete); + BIO_printf(out,"num_no_delete = %lu\n",lh->num_no_delete); + BIO_printf(out,"num_retrieve = %lu\n",lh->num_retrieve); + BIO_printf(out,"num_retrieve_miss = %lu\n",lh->num_retrieve_miss); + BIO_printf(out,"num_hash_comps = %lu\n",lh->num_hash_comps); +#if 0 + BIO_printf(out,"p = %u\n",lh->p); + BIO_printf(out,"pmax = %u\n",lh->pmax); + BIO_printf(out,"up_load = %lu\n",lh->up_load); + BIO_printf(out,"down_load = %lu\n",lh->down_load); +#endif + } + +void lh_node_stats_bio(const _LHASH *lh, BIO *out) + { + LHASH_NODE *n; + unsigned int i,num; + + for (i=0; i<lh->num_nodes; i++) + { + for (n=lh->b[i],num=0; n != NULL; n=n->next) + num++; + BIO_printf(out,"node %6u -> %3u\n",i,num); + } + } + +void lh_node_usage_stats_bio(const _LHASH *lh, BIO *out) + { + LHASH_NODE *n; + unsigned long num; + unsigned int i; + unsigned long total=0,n_used=0; + + for (i=0; i<lh->num_nodes; i++) + { + for (n=lh->b[i],num=0; n != NULL; n=n->next) + num++; + if (num != 0) + { + n_used++; + total+=num; + } + } + BIO_printf(out,"%lu nodes used out of %u\n",n_used,lh->num_nodes); + BIO_printf(out,"%lu items\n",total); + if (n_used == 0) return; + BIO_printf(out,"load %d.%02d actual load %d.%02d\n", + (int)(total/lh->num_nodes), + (int)((total%lh->num_nodes)*100/lh->num_nodes), + (int)(total/n_used), + (int)((total%n_used)*100/n_used)); + } + +#endif diff --git a/openssl/crypto/lhash/lh_test.c b/openssl/crypto/lhash/lh_test.c new file mode 100644 index 00000000..85700c85 --- /dev/null +++ b/openssl/crypto/lhash/lh_test.c @@ -0,0 +1,88 @@ +/* crypto/lhash/lh_test.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * 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: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * 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 + * 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 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * 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.] + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <openssl/lhash.h> + +main() + { + LHASH *conf; + char buf[256]; + int i; + + conf=lh_new(lh_strhash,strcmp); + for (;;) + { + char *p; + + buf[0]='\0'; + fgets(buf,256,stdin); + if (buf[0] == '\0') break; + i=strlen(buf); + p=OPENSSL_malloc(i+1); + memcpy(p,buf,i+1); + lh_insert(conf,p); + } + + lh_node_stats(conf,stdout); + lh_stats(conf,stdout); + lh_node_usage_stats(conf,stdout); + exit(0); + } diff --git a/openssl/crypto/lhash/lhash.c b/openssl/crypto/lhash/lhash.c new file mode 100644 index 00000000..47f74808 --- /dev/null +++ b/openssl/crypto/lhash/lhash.c @@ -0,0 +1,475 @@ +/* crypto/lhash/lhash.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * 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: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * 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 + * 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 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * 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.] + */ + +/* Code for dynamic hash table routines + * Author - Eric Young v 2.0 + * + * 2.2 eay - added #include "crypto.h" so the memory leak checking code is + * present. eay 18-Jun-98 + * + * 2.1 eay - Added an 'error in last operation' flag. eay 6-May-98 + * + * 2.0 eay - Fixed a bug that occurred when using lh_delete + * from inside lh_doall(). As entries were deleted, + * the 'table' was 'contract()ed', making some entries + * jump from the end of the table to the start, there by + * skipping the lh_doall() processing. eay - 4/12/95 + * + * 1.9 eay - Fixed a memory leak in lh_free, the LHASH_NODEs + * were not being free()ed. 21/11/95 + * + * 1.8 eay - Put the stats routines into a separate file, lh_stats.c + * 19/09/95 + * + * 1.7 eay - Removed the fputs() for realloc failures - the code + * should silently tolerate them. I have also fixed things + * lint complained about 04/05/95 + * + * 1.6 eay - Fixed an invalid pointers in contract/expand 27/07/92 + * + * 1.5 eay - Fixed a misuse of realloc in expand 02/03/1992 + * + * 1.4 eay - Fixed lh_doall so the function can call lh_delete 28/05/91 + * + * 1.3 eay - Fixed a few lint problems 19/3/1991 + * + * 1.2 eay - Fixed lh_doall problem 13/3/1991 + * + * 1.1 eay - Added lh_doall + * + * 1.0 eay - First version + */ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <openssl/crypto.h> +#include <openssl/lhash.h> + +const char lh_version[]="lhash" OPENSSL_VERSION_PTEXT; + +#undef MIN_NODES +#define MIN_NODES 16 +#define UP_LOAD (2*LH_LOAD_MULT) /* load times 256 (default 2) */ +#define DOWN_LOAD (LH_LOAD_MULT) /* load times 256 (default 1) */ + +static void expand(_LHASH *lh); +static void contract(_LHASH *lh); +static LHASH_NODE **getrn(_LHASH *lh, const void *data, unsigned long *rhash); + +_LHASH *lh_new(LHASH_HASH_FN_TYPE h, LHASH_COMP_FN_TYPE c) + { + _LHASH *ret; + int i; + + if ((ret=OPENSSL_malloc(sizeof(_LHASH))) == NULL) + goto err0; + if ((ret->b=OPENSSL_malloc(sizeof(LHASH_NODE *)*MIN_NODES)) == NULL) + goto err1; + for (i=0; i<MIN_NODES; i++) + ret->b[i]=NULL; + ret->comp=((c == NULL)?(LHASH_COMP_FN_TYPE)strcmp:c); + ret->hash=((h == NULL)?(LHASH_HASH_FN_TYPE)lh_strhash:h); + ret->num_nodes=MIN_NODES/2; + ret->num_alloc_nodes=MIN_NODES; + ret->p=0; + ret->pmax=MIN_NODES/2; + ret->up_load=UP_LOAD; + ret->down_load=DOWN_LOAD; + ret->num_items=0; + + ret->num_expands=0; + ret->num_expand_reallocs=0; + ret->num_contracts=0; + ret->num_contract_reallocs=0; + ret->num_hash_calls=0; + ret->num_comp_calls=0; + ret->num_insert=0; + ret->num_replace=0; + ret->num_delete=0; + ret->num_no_delete=0; + ret->num_retrieve=0; + ret->num_retrieve_miss=0; + ret->num_hash_comps=0; + + ret->error=0; + return(ret); +err1: + OPENSSL_free(ret); +err0: + return(NULL); + } + +void lh_free(_LHASH *lh) + { + unsigned int i; + LHASH_NODE *n,*nn; + + if (lh == NULL) + return; + + for (i=0; i<lh->num_nodes; i++) + { + n=lh->b[i]; + while (n != NULL) + { + nn=n->next; + OPENSSL_free(n); + n=nn; + } + } + OPENSSL_free(lh->b); + OPENSSL_free(lh); + } + +void *lh_insert(_LHASH *lh, void *data) + { + unsigned long hash; + LHASH_NODE *nn,**rn; + void *ret; + + lh->error=0; + if (lh->up_load <= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)) + expand(lh); + + rn=getrn(lh,data,&hash); + + if (*rn == NULL) + { + if ((nn=(LHASH_NODE *)OPENSSL_malloc(sizeof(LHASH_NODE))) == NULL) + { + lh->error++; + return(NULL); + } + nn->data=data; + nn->next=NULL; +#ifndef OPENSSL_NO_HASH_COMP + nn->hash=hash; +#endif + *rn=nn; + ret=NULL; + lh->num_insert++; + lh->num_items++; + } + else /* replace same key */ + { + ret= (*rn)->data; + (*rn)->data=data; + lh->num_replace++; + } + return(ret); + } + +void *lh_delete(_LHASH *lh, const void *data) + { + unsigned long hash; + LHASH_NODE *nn,**rn; + void *ret; + + lh->error=0; + rn=getrn(lh,data,&hash); + + if (*rn == NULL) + { + lh->num_no_delete++; + return(NULL); + } + else + { + nn= *rn; + *rn=nn->next; + ret=nn->data; + OPENSSL_free(nn); + lh->num_delete++; + } + + lh->num_items--; + if ((lh->num_nodes > MIN_NODES) && + (lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes))) + contract(lh); + + return(ret); + } + +void *lh_retrieve(_LHASH *lh, const void *data) + { + unsigned long hash; + LHASH_NODE **rn; + void *ret; + + lh->error=0; + rn=getrn(lh,data,&hash); + + if (*rn == NULL) + { + lh->num_retrieve_miss++; + return(NULL); + } + else + { + ret= (*rn)->data; + lh->num_retrieve++; + } + return(ret); + } + +static void doall_util_fn(_LHASH *lh, int use_arg, LHASH_DOALL_FN_TYPE func, + LHASH_DOALL_ARG_FN_TYPE func_arg, void *arg) + { + int i; + LHASH_NODE *a,*n; + + if (lh == NULL) + return; + + /* reverse the order so we search from 'top to bottom' + * We were having memory leaks otherwise */ + for (i=lh->num_nodes-1; i>=0; i--) + { + a=lh->b[i]; + while (a != NULL) + { + /* 28/05/91 - eay - n added so items can be deleted + * via lh_doall */ + /* 22/05/08 - ben - eh? since a is not passed, + * this should not be needed */ + n=a->next; + if(use_arg) + func_arg(a->data,arg); + else + func(a->data); + a=n; + } + } + } + +void lh_doall(_LHASH *lh, LHASH_DOALL_FN_TYPE func) + { + doall_util_fn(lh, 0, func, (LHASH_DOALL_ARG_FN_TYPE)0, NULL); + } + +void lh_doall_arg(_LHASH *lh, LHASH_DOALL_ARG_FN_TYPE func, void *arg) + { + doall_util_fn(lh, 1, (LHASH_DOALL_FN_TYPE)0, func, arg); + } + +static void expand(_LHASH *lh) + { + LHASH_NODE **n,**n1,**n2,*np; + unsigned int p,i,j; + unsigned long hash,nni; + + lh->num_nodes++; + lh->num_expands++; + p=(int)lh->p++; + n1= &(lh->b[p]); + n2= &(lh->b[p+(int)lh->pmax]); + *n2=NULL; /* 27/07/92 - eay - undefined pointer bug */ + nni=lh->num_alloc_nodes; + + for (np= *n1; np != NULL; ) + { +#ifndef OPENSSL_NO_HASH_COMP + hash=np->hash; +#else + hash=lh->hash(np->data); + lh->num_hash_calls++; +#endif + if ((hash%nni) != p) + { /* move it */ + *n1= (*n1)->next; + np->next= *n2; + *n2=np; + } + else + n1= &((*n1)->next); + np= *n1; + } + + if ((lh->p) >= lh->pmax) + { + j=(int)lh->num_alloc_nodes*2; + n=(LHASH_NODE **)OPENSSL_realloc(lh->b, + (int)(sizeof(LHASH_NODE *)*j)); + if (n == NULL) + { +/* fputs("realloc error in lhash",stderr); */ + lh->error++; + lh->p=0; + return; + } + /* else */ + for (i=(int)lh->num_alloc_nodes; i<j; i++)/* 26/02/92 eay */ + n[i]=NULL; /* 02/03/92 eay */ + lh->pmax=lh->num_alloc_nodes; + lh->num_alloc_nodes=j; + lh->num_expand_reallocs++; + lh->p=0; + lh->b=n; + } + } + +static void contract(_LHASH *lh) + { + LHASH_NODE **n,*n1,*np; + + np=lh->b[lh->p+lh->pmax-1]; + lh->b[lh->p+lh->pmax-1]=NULL; /* 24/07-92 - eay - weird but :-( */ + if (lh->p == 0) + { + n=(LHASH_NODE **)OPENSSL_realloc(lh->b, + (unsigned int)(sizeof(LHASH_NODE *)*lh->pmax)); + if (n == NULL) + { +/* fputs("realloc error in lhash",stderr); */ + lh->error++; + return; + } + lh->num_contract_reallocs++; + lh->num_alloc_nodes/=2; + lh->pmax/=2; + lh->p=lh->pmax-1; + lh->b=n; + } + else + lh->p--; + + lh->num_nodes--; + lh->num_contracts++; + + n1=lh->b[(int)lh->p]; + if (n1 == NULL) + lh->b[(int)lh->p]=np; + else + { + while (n1->next != NULL) + n1=n1->next; + n1->next=np; + } + } + +static LHASH_NODE **getrn(_LHASH *lh, const void *data, unsigned long *rhash) + { + LHASH_NODE **ret,*n1; + unsigned long hash,nn; + LHASH_COMP_FN_TYPE cf; + + hash=(*(lh->hash))(data); + lh->num_hash_calls++; + *rhash=hash; + + nn=hash%lh->pmax; + if (nn < lh->p) + nn=hash%lh->num_alloc_nodes; + + cf=lh->comp; + ret= &(lh->b[(int)nn]); + for (n1= *ret; n1 != NULL; n1=n1->next) + { +#ifndef OPENSSL_NO_HASH_COMP + lh->num_hash_comps++; + if (n1->hash != hash) + { + ret= &(n1->next); + continue; + } +#endif + lh->num_comp_calls++; + if(cf(n1->data,data) == 0) + break; + ret= &(n1->next); + } + return(ret); + } + +/* The following hash seems to work very well on normal text strings + * no collisions on /usr/dict/words and it distributes on %2^n quite + * well, not as good as MD5, but still good. + */ +unsigned long lh_strhash(const char *c) + { + unsigned long ret=0; + long n; + unsigned long v; + int r; + + if ((c == NULL) || (*c == '\0')) + return(ret); +/* + unsigned char b[16]; + MD5(c,strlen(c),b); + return(b[0]|(b[1]<<8)|(b[2]<<16)|(b[3]<<24)); +*/ + + n=0x100; + while (*c) + { + v=n|(*c); + n+=0x100; + r= (int)((v>>2)^v)&0x0f; + ret=(ret<<r)|(ret>>(32-r)); + ret&=0xFFFFFFFFL; + ret^=v*v; + c++; + } + return((ret>>16)^ret); + } + +unsigned long lh_num_items(const _LHASH *lh) + { + return lh ? lh->num_items : 0; + } diff --git a/openssl/crypto/lhash/lhash.h b/openssl/crypto/lhash/lhash.h new file mode 100644 index 00000000..e7d87635 --- /dev/null +++ b/openssl/crypto/lhash/lhash.h @@ -0,0 +1,241 @@ +/* crypto/lhash/lhash.h */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * 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: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * 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 + * 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 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * 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 + */ + +#ifndef HEADER_LHASH_H +#define HEADER_LHASH_H + +#include <openssl/e_os2.h> +#ifndef OPENSSL_NO_FP_API +#include <stdio.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. */ + +/* 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 + +/* 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 + +/* 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) + +_LHASH *lh_new(LHASH_HASH_FN_TYPE h, LHASH_COMP_FN_TYPE c); +void lh_free(_LHASH *lh); +void *lh_insert(_LHASH *lh, void *data); +void *lh_delete(_LHASH *lh, const void *data); +void *lh_retrieve(_LHASH *lh, const void *data); +void lh_doall(_LHASH *lh, LHASH_DOALL_FN_TYPE func); +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 +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 + +#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 + +/* Type checking... */ + +#define LHASH_OF(type) struct lhash_st_##type + +#define DECLARE_LHASH_OF(type) LHASH_OF(type) { int dummy; } + +#define CHECKED_LHASH_OF(type,lh) \ + ((_LHASH *)CHECKED_PTR_OF(LHASH_OF(type),lh)) + +/* Define wrapper functions. */ +#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) \ + lh_error(CHECKED_LHASH_OF(type,lh)) +#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) \ + ((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) \ + 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) \ + lh_node_stats_bio(CHECKED_LHASH_OF(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) \ + lh_stats_bio(CHECKED_LHASH_OF(type, lh), out) +#define LHM_lh_free(type, lh) lh_free(CHECKED_LHASH_OF(type, lh)) + +DECLARE_LHASH_OF(OPENSSL_STRING); +DECLARE_LHASH_OF(OPENSSL_CSTRING); + +#ifdef __cplusplus +} +#endif + +#endif + diff --git a/openssl/crypto/lhash/num.pl b/openssl/crypto/lhash/num.pl new file mode 100644 index 00000000..30fedf9c --- /dev/null +++ b/openssl/crypto/lhash/num.pl @@ -0,0 +1,17 @@ +#!/usr/local/bin/perl + +#node 10 -> 4 + +while (<>) + { + next unless /^node/; + chop; + @a=split; + $num{$a[3]}++; + } + +@a=sort {$a <=> $b } keys %num; +foreach (0 .. $a[$#a]) + { + printf "%4d:%4d\n",$_,$num{$_}; + } |