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142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/*
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* Copyright (c) 1997, 1999 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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* isdntel - isdn4bsd telephone answering machine support
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* ======================================================
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*
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* $Id: alias.c,v 1.9 1999/12/13 21:25:26 hm Exp $
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*
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* $FreeBSD$
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*
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* last edit-date: [Mon Dec 13 21:53:37 1999]
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*
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*----------------------------------------------------------------------------*/
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#include "defs.h"
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#include "alias.h"
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static struct alias *firsta = NULL;
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#define MAXBUFSZ 256
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/*---------------------------------------------------------------------------*
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* read in and init aliases
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*---------------------------------------------------------------------------*/
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void
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init_alias(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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unsigned char number[MAXBUFSZ + 1];
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unsigned char name[MAXBUFSZ + 1];
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unsigned char *s, *d;
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struct alias *newa = NULL;
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struct alias *lasta = NULL;
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if((fp = fopen(filename, "r")) == NULL)
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return;
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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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s = buffer;
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d = number;
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while(*s && (isdigit(*s)))
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*d++ = *s++;
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*d = '\0';
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while(*s && (isspace(*s)))
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s++;
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d = name;
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while(*s && (isprint(*s)))
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*d++ = *s++;
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*d = '\0';
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if((strlen(number) > 1) && (strlen(name) > 1))
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{
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if((newa = (struct alias *) malloc(sizeof(struct alias))) == NULL)
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fatal("malloc failed for struct alias");
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if((newa->number = (char *) malloc(strlen(number)+1)) == NULL)
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fatal("malloc failed for number alias");
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if((newa->name = (char *) malloc(strlen(name)+1)) == NULL)
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fatal("malloc failed for name alias");
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strcpy(newa->name, name);
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strcpy(newa->number, number);
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newa->next = NULL;
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if(firsta == NULL)
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{
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firsta = newa;
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}
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else
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{
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lasta->next = newa;
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}
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lasta = newa;
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}
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}
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fclose(fp);
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}
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/*---------------------------------------------------------------------------*
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* read in and init aliases
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*---------------------------------------------------------------------------*/
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char *
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get_alias(char *number)
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{
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struct alias *ca = NULL;
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if(firsta == NULL)
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return(NULL);
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ca = firsta;
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for(;;)
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{
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if(strlen(number) == strlen(ca->number))
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{
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if(!(strcmp(number, ca->number)))
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return(ca->name);
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}
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if(ca->next == NULL)
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break;
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ca = ca->next;
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}
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return(NULL);
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}
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/* EOF */
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