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         {
  25                 *ntype = INFO_NTYPE_INTERNATIONAL;
  26                 return(string+strlen(international));
  27         }
  28         if (!strncmp(national, string, strlen(national)))
  29         {
  30                 *ntype = INFO_NTYPE_NATIONAL;
  31                 return(string+strlen(national));
  32         }
  33         *ntype = INFO_NTYPE_SUBSCRIBER;
  34         return(string);
  35 }
  36
  37 /* create number (including access codes) from caller id
  38  * prefixes.
  39  */
  40 const char *numberrize_callerinfo(const char *string, int ntype, const char *national, const char *international)
  41 {
  42         static char result[256];
  43
  44         switch(ntype)
  45         {
  46                 case INFO_NTYPE_NOTPRESENT:
  47                 return("");
  48
  49                 case INFO_NTYPE_INTERNATIONAL:
  50                 strcpy(result, international);
  51                 strncat(result, string, sizeof(result)-strlen(result)-1);
  52                 result[sizeof(result)-1] = '\0';
  53                 return(result);
  54                 break;
  55
  56                 case INFO_NTYPE_NATIONAL:
  57                 strcpy(result, national);
  58                 strncat(result, string, sizeof(result)-strlen(result)-1);
  59                 result[sizeof(result)-1] = '\0';
  60                 return(result);
  61                 break;
  62
  63                 default:
  64                 return(string);
  65         }
  66 }
  67
  68
  69