Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: strings.c Sprache: C

/*
* ACCENT
*
* A Compiler Compiler for the Entire Class of Context-Free Languages
*
* Copyright (C) 1999  Friedrich Wilhelm Schroeer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#define PRIVATE static

/*--------------------------------------------------------------------*/

PRIVATE int initialized = 0;

PRIVATE char *p;     /* points to first free position of current buffer */
PRIVATE char *first; /* points to first char of current string */
PRIVATE char *start; /* points to first position of current buffer */
PRIVATE char *stop;  /* points to position after last char of current buffer */

PRIVATE long SIZE = 500;

#define INCR 500

/*--------------------------------------------------------------------*/

PRIVATE Allocate ()
{
   p = (char *) malloc (SIZE);
   if (p == 0) {
      printf("memory allocation failed\n");
      exit(1);
   }
   first = p;
   start = p;
   stop = p+SIZE;
}

/*--------------------------------------------------------------------*/

PRIVATE Initialize()
{
   Allocate();
   initialized = 1;
}

/*--------------------------------------------------------------------*/
AppendToString (ch)
   char ch;
{
   if ( ! initialized) Initialize();

   if (p == stop) { /* buffer full */
      char *q;
      char *qfirst = first;
      char *qstop = stop;

      if (first == start) SIZE += INCR;

      Allocate();
      for (q = qfirst; q != qstop; q++) {
         *p++ = *q;
      }
   }
   *p++ = ch;
}

/*--------------------------------------------------------------------*/
GetStringRef(ref_string)
   char **ref_string;
{
   if ( ! initialized) Initialize();
   AppendToString(0);
   *ref_string = first;
   first = p;
}

/*--------------------------------------------------------------------*/

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des sprechenden Kalenders
in der Quellcodebibliothek suchen

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.