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80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
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* str - string list routines
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*
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* Copyright (C) 1999-2007,2014 David I. Bell
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*
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* Calc is open software; you can redistribute it and/or modify it under
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* the terms of the version 2.1 of the GNU Lesser General Public License
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* as published by the Free Software Foundation.
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*
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* Calc is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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* Public License for more details.
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*
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* A copy of version 2.1 of the GNU Lesser General Public License is
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* distributed with calc under the filename COPYING-LGPL. You should have
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* received a copy with calc; if not, write to Free Software Foundation, Inc.
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Under source code control: 1990/02/15 01:48:36
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* File existed as early as: before 1990
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*
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* Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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*/
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#if !defined(INCLUDE_STR_H)
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#define INCLUDE_STR_H
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#if defined(CALC_SRC) /* if we are building from the calc source tree */
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# include "zmath.h"
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#else
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# include <calc/zmath.h>
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#endif
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struct string {
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char *s_str;
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size_t s_len;
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long s_links;
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struct string *s_next;
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};
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typedef struct string STRING;
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typedef struct {
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char *h_list; /* list of strings separated by nulls */
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size_t h_used; /* characters used so far */
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size_t h_avail; /* characters available for use */
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long h_count; /* number of strings */
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} STRINGHEAD;
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EXTERN STRING _nullstring_;
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E_FUNC void initstr(STRINGHEAD *hp);
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E_FUNC char *addstr(STRINGHEAD *hp, char *str);
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E_FUNC char *namestr(STRINGHEAD *hp, long n);
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E_FUNC int findstr(STRINGHEAD *hp, char *str);
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E_FUNC char *charstr(int ch);
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E_FUNC char *addliteral(char *str);
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E_FUNC long stringindex(char *str1, char *str2);
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E_FUNC STRING *stralloc(void);
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E_FUNC long addstring(char *str, size_t len);
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E_FUNC STRING *charstring(int ch);
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E_FUNC STRING *makestring(char *str);
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E_FUNC STRING *makenewstring(char *str);
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E_FUNC STRING *findstring(long index);
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E_FUNC STRING *slink(STRING *);
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E_FUNC void sfree(STRING *);
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E_FUNC void fitstring(char *, long, long);
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E_FUNC void strprint(STRING *);
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E_FUNC void showstrings(void);
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E_FUNC void showliterals(void);
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#endif /* !INCLUDE_STR_H */
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