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82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/*
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* string - string list routines
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*
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* Copyright (C) 1999 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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* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* @(#) $Revision: 29.4 $
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* @(#) $Id: string.h,v 29.4 2001/06/08 21:00:58 chongo Exp $
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* @(#) $Source: /usr/local/src/cmd/calc/RCS/string.h,v $
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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(__CALCSTRING_H__)
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#define __CALCSTRING_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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long 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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long h_used; /* characters used so far */
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long 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 void initstr(STRINGHEAD *hp);
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extern char *addstr(STRINGHEAD *hp, char *str);
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extern char *namestr(STRINGHEAD *hp, long n);
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extern int findstr(STRINGHEAD *hp, char *str);
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extern char *charstr(int ch);
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extern char *addliteral(char *str);
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extern long stringindex(char *str1, char *str2);
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extern STRING *stralloc(void);
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extern long addstring(char *str, long len);
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extern STRING *charstring(int ch);
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extern STRING *makestring(char *str);
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extern STRING *makenewstring(char *str);
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extern STRING *findstring(long index);
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extern STRING *slink(STRING *);
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extern void sfree(STRING *);
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extern void fitstring(char *, long, long);
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extern void showstrings(void);
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extern void showliterals(void);
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extern STRING _nullstring_;
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#endif /* !__CALCSTRING_H__ */
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