bool-array.icc revision 58551
1/* Inline Functions for bool-array.{h,cc}. 2 3 Copyright (C) 1989-1998 Free Software Foundation, Inc. 4 written by Douglas C. Schmidt (schmidt@ics.uci.edu) 5 6This file is part of GNU GPERF. 7 8GNU GPERF is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 1, or (at your option) 11any later version. 12 13GNU GPERF is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along with GNU GPERF; see the file COPYING. If not, write to the Free 20Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 21 22// This needs: 23//#include <stdio.h> 24//#include <string.h> 25//#include "options.h" 26//#include "trace.h" 27 28INLINE 29Bool_Array::Bool_Array (void) 30{ 31 T (Trace t ("Bool_Array::Bool_Array");) 32 storage_array = 0; 33 iteration_number = size = 0; 34} 35 36INLINE void 37Bool_Array::init (STORAGE_TYPE *buffer, unsigned int s) 38{ 39 T (Trace t ("Bool_Array::init");) 40 size = s; 41 iteration_number = 1; 42 storage_array = buffer; 43 memset (storage_array, 0, s * sizeof (*storage_array)); 44 if (option[DEBUG]) 45 fprintf (stderr, "\nbool array size = %d, total bytes = %d\n", 46 size, (unsigned int) (size * sizeof (*storage_array))); 47} 48 49INLINE int 50Bool_Array::find (int index) 51{ 52 T (Trace t ("Bool_Array::find");) 53 if (storage_array[index] == iteration_number) 54 return 1; 55 else 56 { 57 storage_array[index] = iteration_number; 58 return 0; 59 } 60} 61 62INLINE void 63Bool_Array::reset (void) 64{ 65 T (Trace t ("Bool_Array::reset");) 66 /* If we wrap around it's time to zero things out again! However, this only 67 occurs once about every 2^31 or 2^15 iterations, so it should probably 68 never happen! */ 69 70 if (++iteration_number == 0) 71 { 72 if (option[DEBUG]) 73 { 74 fprintf (stderr, "(re-initializing bool_array)..."); 75 fflush (stderr); 76 } 77 iteration_number = 1; 78 memset (storage_array, 0, size * sizeof (*storage_array)); 79 if (option[DEBUG]) 80 { 81 fprintf (stderr, "done\n"); 82 fflush (stderr); 83 } 84 } 85} 86