385d81380c
casts) used in the lhash code are about as horrible and evil as they can be. For starters, the callback prototypes contain empty parameter lists. Yuck. This first change defines clearer prototypes - including "typedef"'d function pointer types to use as "hash" and "compare" callbacks, as well as the callbacks passed to the lh_doall and lh_doall_arg iteration functions. Now at least more explicit (and clear) casting is required in all of the dependant code - and that should be included in this commit. The next step will be to hunt down and obliterate some of the function pointer casting being used when it's not necessary - a particularly evil variant exists in the implementation of lh_doall.
108 lines
4.1 KiB
C
108 lines
4.1 KiB
C
/* crypto/txt_db/txt_db.h */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#ifndef HEADER_TXT_DB_H
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#define HEADER_TXT_DB_H
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#ifndef NO_BIO
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#include <openssl/bio.h>
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#endif
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#include <openssl/stack.h>
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#include <openssl/lhash.h>
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#define DB_ERROR_OK 0
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#define DB_ERROR_MALLOC 1
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#define DB_ERROR_INDEX_CLASH 2
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#define DB_ERROR_INDEX_OUT_OF_RANGE 3
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#define DB_ERROR_NO_INDEX 4
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#define DB_ERROR_INSERT_INDEX_CLASH 5
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct txt_db_st
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{
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int num_fields;
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STACK /* char ** */ *data;
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LHASH **index;
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int (**qual)();
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long error;
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long arg1;
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long arg2;
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char **arg_row;
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} TXT_DB;
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#ifndef NO_BIO
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TXT_DB *TXT_DB_read(BIO *in, int num);
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long TXT_DB_write(BIO *out, TXT_DB *db);
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#else
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TXT_DB *TXT_DB_read(char *in, int num);
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long TXT_DB_write(char *out, TXT_DB *db);
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#endif
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int TXT_DB_create_index(TXT_DB *db,int field,int (*qual)(),
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LHASH_HASH_FN_TYPE hash, LHASH_COMP_FN_TYPE cmp);
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void TXT_DB_free(TXT_DB *db);
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char **TXT_DB_get_by_index(TXT_DB *db, int idx, char **value);
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int TXT_DB_insert(TXT_DB *db,char **value);
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#ifdef __cplusplus
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}
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#endif
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#endif
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