callerid.c

   1 /*****************************************************************************\
   2 **                                                                           **
   3 ** PBX4Linux                                                                 **
   4 **                                                                           **
   5 **---------------------------------------------------------------------------**
   6 ** Copyright: Andreas Eversberg                                              **
   7 **                                                                           **
   8 ** caller id support file                                                    **
   9 **                                                                           **
  10 \*****************************************************************************/
  11
  12 #include <string.h>
  13 #include <time.h>
  14 #include "extension.h"
  15 #include "message.h"
  16 #include "callerid.h"
  17
  18 /* create caller id from digits by comparing with national and international
  19  * prefixes.
  20  */
  21 const char *nationalize_callerinfo(const char *string, int *ntype, const char *national, const char *international)
  22 {
  23         if (!strncmp(international, string, strlen(international))) {
  24                 *ntype = INFO_NTYPE_INTERNATIONAL;
  25                 return(string+strlen(international));
  26         }
  27         if (!strncmp(national, string, strlen(national))) {
  28                 *ntype = INFO_NTYPE_NATIONAL;
  29                 return(string+strlen(national));
  30         }
  31         *ntype = INFO_NTYPE_SUBSCRIBER;
  32         return(string);
  33 }
  34
  35 /* create number (including access codes) from caller id
  36  * prefixes.
  37  */
  38 const char *numberrize_callerinfo(const char *string, int ntype, const char *national, const char *international)
  39 {
  40         static char result[256];
  41
  42         switch(ntype) {
  43                 case INFO_NTYPE_NOTPRESENT:
  44                 return("");
  45
  46                 case INFO_NTYPE_INTERNATIONAL:
  47                 strcpy(result, international);
  48                 strncat(result, string, sizeof(result)-strlen(result)-1);
  49                 result[sizeof(result)-1] = '\0';
  50                 return(result);
  51                 break;
  52
  53                 case INFO_NTYPE_NATIONAL:
  54                 strcpy(result, national);
  55                 strncat(result, string, sizeof(result)-strlen(result)-1);
  56                 result[sizeof(result)-1] = '\0';
  57                 return(result);
  58                 break;
  59
  60                 default:
  61                 return(string);
  62         }
  63 }
  64
  65
  66