19c749625f
ISDN4BSD is the work of our brand-new comitter: Hellmuth Michaelis, who has done a tremendous amount of work to bring us this far. There are still some outstanding issues and files to bring into the tree, and for now it will be needed to pick up all the extra docs from the isdn4bsd release. It is probably also a very good idea to subscribe to the isdn@freebsd.org mailing list before you try this out. These files correspond to release "beta Version 0.70.00 / December 1998" from Hellmuth.
474 lines
10 KiB
C
474 lines
10 KiB
C
/*
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* Copyright (c) 1997 Gary Jennejohn. All rights reserved.
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*
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* Copyright (c) 1997, 1998 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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*
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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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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* 4. Altered versions must be plainly marked as such, and must not be
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* misrepresented as being the original software and/or documentation.
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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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* i4b daemon - charging rates description file handling
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* -----------------------------------------------------
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*
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* $Id: rates.c,v 1.7 1998/12/05 18:03:34 hm Exp $
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*
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* last edit-date: [Sat Dec 5 18:11:55 1998]
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*
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*---------------------------------------------------------------------------*/
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static char error[256];
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#ifdef PARSE_DEBUG_MAIN
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#include <stdio.h>
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#define MAIN
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#define ERROR (-1)
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int main()
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{
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int ret;
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ret = readrates("/etc/isdn/isdnd.rates");
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if(ret == ERROR)
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fprintf(stderr, "readrates returns [%d], [%s]\n", ret, error);
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else
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fprintf(stderr, "readrates returns [%d]\n", ret);
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return(ret);
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}
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#endif
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#include "isdnd.h"
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static int getrate(cfg_entry_t *cep);
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/*---------------------------------------------------------------------------*
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* parse rates file
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*---------------------------------------------------------------------------*/
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int
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readrates(char *filename)
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{
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char buffer[1024];
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register char *bp;
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struct rates *rt, *ort;
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int rateindx;
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int indx;
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int line = 0;
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FILE *fp;
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int first;
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#if DEBUG
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int i, j;
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#endif
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indx = 0;
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rt = ort = NULL;
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if((fp = fopen(filename, "r")) == NULL)
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{
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sprintf(error, "error open %s: %s", filename, sys_errlist[errno]);
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rate_error = error;
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return(WARNING);
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}
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while((fgets(buffer, MAXPATHLEN, fp)) != NULL)
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{
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line++;
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/* comments */
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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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bp = &buffer[0];
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/* rate type */
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if (*bp == 'r' && *(bp+1) == 'a' && isdigit(*(bp+2)))
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{
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rateindx = *(bp+2) - '0';
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bp += 3;
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/* eat space delimiter */
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while(isspace(*bp))
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bp++;
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}
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else
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{
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sprintf(error, "rates: invalid rate type %c%c%c in line %d", *bp, *(bp+1), *(bp+2), line);
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goto rate_error;
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}
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if (rateindx >= NRATES)
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{
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sprintf(error, "rates: invalid rate index %d in line %d", rateindx, line);
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goto rate_error;
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}
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/* day */
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if(isdigit(*bp) && *bp >= '0' && *bp <= '6')
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{
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indx = *bp - '0';
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DBGL(DL_RATES, (log(LL_DBG, "rates: index = %d", indx)));
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}
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else
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{
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sprintf(error, "rates: invalid day digit %c in line %d", *bp, line);
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goto rate_error;
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}
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if(rates[rateindx][indx] == NULL)
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{
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rt = (struct rates *)malloc(sizeof (struct rates));
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if (rt == NULL)
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{
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sprintf(error, "rates: cannot malloc space for rate structure");
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goto rate_error;
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}
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rt->next = NULL;
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rates[rateindx][indx] = rt;
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}
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bp++;
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/* eat space delimiter */
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while(isspace(*bp))
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bp++;
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/* now loop to get the rates entries */
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first = 1;
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while(*bp && isdigit(*bp))
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{
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if(first)
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{
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first = 0;
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}
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else
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{
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ort = rt;
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rt = (struct rates *)malloc(sizeof (struct rates));
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if (rt == NULL)
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{
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sprintf(error, "rates: cannot malloc space2 for rate structure");
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goto rate_error;
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}
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ort->next = rt;
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rt->next = NULL;
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}
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/* start hour */
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if(isdigit(*bp) && isdigit(*(bp+1)))
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{
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rt->start_hr = atoi(bp);
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bp += 2;
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}
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else
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{
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sprintf(error, "rates: start_hr error in line %d", line);
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goto rate_error;
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}
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/* point */
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if(*bp == '.')
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{
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bp++;
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}
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else
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{
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sprintf(error, "rates: no '.' after start_hr in line %d", line);
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goto rate_error;
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}
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/* start minute */
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if(isdigit(*bp) && isdigit(*(bp+1)))
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{
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rt->start_min = atoi(bp);
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bp += 2;
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}
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else
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{
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sprintf(error, "rates: start_min error in line %d", line);
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goto rate_error;
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}
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/* minus */
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if(*bp == '-')
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{
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bp++;
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}
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else
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{
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sprintf(error, "rates: no '-' after start_min in line %d", line);
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goto rate_error;
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}
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/* end hour */
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if(isdigit(*bp) && isdigit(*(bp+1)))
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{
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rt->end_hr = atoi(bp);
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bp += 2;
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}
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else
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{
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sprintf(error, "rates: end_hr error in line %d", line);
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goto rate_error;
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}
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/* point */
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if(*bp == '.')
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{
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bp++;
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}
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else
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{
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sprintf(error, "rates: no '.' after end_hr in line %d", line);
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goto rate_error;
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}
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/* end minute */
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if(isdigit(*bp) && isdigit(*(bp+1)))
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{
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rt->end_min = atoi(bp);
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bp += 2;
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}
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else
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{
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sprintf(error, "rates: end_min error in line %d", line);
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goto rate_error;
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}
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/* colon */
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if(*bp == ':')
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{
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bp++;
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}
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else
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{
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sprintf(error, "rates: no ':' after end_min in line %d", line);
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goto rate_error;
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}
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/* time */
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if(isdigit(*bp))
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{
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rt->rate = atoi(bp);
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while(!isspace(*bp))
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bp++;
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}
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else
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{
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sprintf(error, "rates: first rate digit error in line %d", line);
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goto rate_error;
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}
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/* eat space delimiter */
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while(isspace(*bp))
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bp++;
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}
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}
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#if DEBUG
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if(debug_flags & DL_RATES)
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{
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for (j = 0; j < NRATES; j++)
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{
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for (i = 0; i < NDAYS; i++)
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{
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if (rates [j][i] != NULL)
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{
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rt = rates [j][i];
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for (; rt; rt = rt->next)
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{
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log(LL_DBG, "rates: index %d day %d = %d.%d-%d.%d:%d",
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j, i, rt->start_hr, rt->start_min,
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rt->end_hr,rt->end_min,rt->rate);
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}
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}
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else
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{
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log(LL_DBG, "rates: NO entry for day %d !!\n", i);
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}
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}
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}
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}
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#endif
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fclose(fp);
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return(GOOD);
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rate_error:
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fclose(fp);
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rate_error = error;
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return(ERROR);
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}
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#ifndef PARSE_DEBUG_MAIN
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/*---------------------------------------------------------------------------*
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* get unit length time from configured source
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*---------------------------------------------------------------------------*/
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int
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get_current_rate(cfg_entry_t *cep, int logit)
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{
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int rt;
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switch(cep->unitlengthsrc)
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{
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case ULSRC_CMDL: /* specified on commandline */
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (cmdl)",
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cep->cdid, cep->name, unit_length);
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return(unit_length);
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break;
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case ULSRC_CONF: /* get it from config file */
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (conf)",
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cep->cdid, cep->name, cep->unitlength);
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return(cep->unitlength);
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case ULSRC_RATE: /* get it dynamic from ratesfile*/
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if(!got_rate) /* got valid rates struct ?? */
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{
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (no ratefile)",
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cep->cdid, cep->name, UNITLENGTH_DEFAULT);
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return(UNITLENGTH_DEFAULT);
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}
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if((cep->ratetype >= NRATES) ||
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(cep->ratetype == INVALID_RATE))
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{
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (rate out of range)",
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cep->cdid, cep->name, UNITLENGTH_DEFAULT);
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return(UNITLENGTH_DEFAULT);
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}
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if((rt = getrate(cep)) != -1)
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{
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (rate)",
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cep->cdid, cep->name, rt);
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return(rt);
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}
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (ratescan fail)",
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cep->cdid, cep->name, UNITLENGTH_DEFAULT);
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return(UNITLENGTH_DEFAULT);
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break;
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case ULSRC_DYN: /* dynamically calculated from AOC */
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if((rt = getrate(cep)) != -1)
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{
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (aocd, rate)",
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cep->cdid, cep->name, rt);
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return(rt);
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}
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (aocd, default)",
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cep->cdid, cep->name, UNITLENGTH_DEFAULT);
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return(UNITLENGTH_DEFAULT);
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break;
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default:
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if(logit)
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log(LL_CHD, "%05d %s rate %d sec/unit (unitlen unknown)",
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cep->cdid, cep->name, UNITLENGTH_DEFAULT);
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return(UNITLENGTH_DEFAULT);
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break;
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}
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}
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/*---------------------------------------------------------------------------*
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* get the currently active rate
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*---------------------------------------------------------------------------*/
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static int
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getrate(cfg_entry_t *cep)
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{
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struct tm *ptr;
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time_t now;
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register struct rates *hd;
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if((!got_rate) ||
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(cep->ratetype >= NRATES) ||
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(cep->ratetype == INVALID_RATE))
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{
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return(-1);
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}
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time(&now); /* get current time */
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ptr = localtime(&now);
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/* walk thru the rates for weekday until rate for current time found */
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for (hd = rates[cep->ratetype][ptr->tm_wday]; hd; hd = hd->next)
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{
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/* current time within window ? */
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if((hd->start_hr <= ptr->tm_hour) &&
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(hd->end_hr > ptr->tm_hour))
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{
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DBGL(DL_RATES, (log(LL_DBG, "rate=%d sec/unit (day=%d, beg=%d, end=%d, current=%d)",
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hd->rate,
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ptr->tm_wday,
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hd->start_hr,
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hd->end_hr,
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ptr->tm_hour)));
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return (hd->rate);
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}
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}
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return(-1);
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}
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#endif /* PARSE_DEBUG_MAIN */
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/* EOF */
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