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3c4f8772fd
valid keyword handling and the holiday file processing - don't issue a warning in case the holiday file is not found - enable inclusion of ../Makefile.inc to reenable compiling-in monitor support into isdnd - update manual page, add a comma and correct authors mail address
199 lines
4.8 KiB
C
199 lines
4.8 KiB
C
/*
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* Copyright (c) 2000, 2001 Hellmuth Michaelis. All rights reserved.
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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 above 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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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*---------------------------------------------------------------------------
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*
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* isdnd - holiday file handling
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* =============================
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*
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* $FreeBSD$
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*
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* last edit-date: [Wed May 2 09:42:56 2001]
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*
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* Format:
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*
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* day.month.year optional comment (different day every year) or
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* day.month optional comment (same day every year)
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*
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* i.e.:
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*
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* 23.4.2000 Ostersonntag
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* 3.10 Tag der deutschen Einheit
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*
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*----------------------------------------------------------------------------*/
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#include "isdnd.h"
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struct holiday {
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int day;
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int month;
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int year;
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struct holiday *next;
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};
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static struct holiday *firsth = NULL;
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#define MAXBUFSZ 256
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static void free_holiday(struct holiday *ptr);
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/*---------------------------------------------------------------------------*
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* read in and init holidayes
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*---------------------------------------------------------------------------*/
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void
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init_holidays(char *filename)
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{
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FILE *fp;
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unsigned char buffer[MAXBUFSZ + 1];
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struct holiday *newh = NULL;
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struct holiday *lasth = NULL;
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int ret;
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int day, month, year;
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firsth = NULL;
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if((fp = fopen(filename, "r")) == NULL)
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{
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DBGL(DL_VALID, (log(LL_DBG, "init_holiday: error opening holidayfile %s: %s!", filename, strerror(errno))));
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return;
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}
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while((fgets(buffer, MAXBUFSZ, fp)) != NULL)
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{
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if(buffer[0] == '#' || buffer[0] == ' ' ||
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buffer[0] == '\t' || buffer[0] == '\n')
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{
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continue;
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}
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ret = sscanf(buffer, "%d.%d.%d", &day, &month, &year);
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if(ret != 3)
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{
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ret = sscanf(buffer, "%d.%d", &day, &month);
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if(ret != 2)
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{
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log(LL_ERR, "init_holiday: parse error for string [%s]!", buffer);
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exit(1);
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}
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year = 0;
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}
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if((newh = (struct holiday *) malloc(sizeof(struct holiday))) == NULL)
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{
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log(LL_ERR, "init_holiday: malloc failed for struct holiday!\n");
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exit(1);
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}
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if(year)
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{
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DBGL(DL_VALID, (log(LL_DBG, "init_holidays: add %d.%d.%d", day, month, year)));
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}
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else
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{
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DBGL(DL_VALID, (log(LL_DBG, "init_holidays: add %d.%d", day, month)));
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}
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newh->day = day;
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newh->month = month;
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newh->year = year;
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newh->next = NULL;
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if(firsth == NULL)
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{
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firsth = newh;
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}
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else
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{
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lasth->next = newh;
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}
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lasth = newh;
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}
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fclose(fp);
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}
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/*---------------------------------------------------------------------------*
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* free all holidays
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*---------------------------------------------------------------------------*/
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void
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free_holidays(void)
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{
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free_holiday(firsth);
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}
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/*---------------------------------------------------------------------------*
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* free holidayes
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*---------------------------------------------------------------------------*/
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static void
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free_holiday(struct holiday *ptr)
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{
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if(ptr == NULL)
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return;
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if(ptr->next != NULL)
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free_holiday(ptr->next);
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free(ptr);
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}
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/*---------------------------------------------------------------------------*
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* check if date/month/year is a holiday
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*---------------------------------------------------------------------------*/
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int
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isholiday(int d, int m, int y)
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{
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struct holiday *ch = NULL;
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if(firsth == NULL)
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return(0);
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ch = firsth;
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for(;;)
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{
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if(ch->day == d && ch->month == m)
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{
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if(ch->year == 0)
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{
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DBGL(DL_VALID, (log(LL_DBG, "isholiday: %d.%d is a holiday!", d, m)));
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return(1);
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}
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else if(ch->year == y)
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{
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DBGL(DL_VALID, (log(LL_DBG, "isholiday: %d.%d.%d is a holiday!", d, m, y)));
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return(1);
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}
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}
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if(ch->next == NULL)
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break;
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ch = ch->next;
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}
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return(0);
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}
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/* EOF */
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