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-rw-r--r--callerid.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/callerid.c b/callerid.c
new file mode 100644
index 0000000..47b51da
--- /dev/null
+++ b/callerid.c
@@ -0,0 +1,60 @@
+/*****************************************************************************\
+** **
+** PBX4Linux **
+** **
+**---------------------------------------------------------------------------**
+** Copyright: Andreas Eversberg **
+** **
+** caller id support file **
+** **
+\*****************************************************************************/
+
+#include "main.h"
+
+/* create caller id from digits by comparing with national and international
+ * prefixes.
+ */
+char *nationalize_callerinfo(char *string, int *ntype, char *national, char *international)
+{
+ if (!strncmp(options.international, string, strlen(options.international)))
+ {
+ *ntype = INFO_NTYPE_INTERNATIONAL;
+ return(string+strlen(international));
+ }
+ if (!strncmp(options.national, string, strlen(options.national)))
+ {
+ *ntype = INFO_NTYPE_NATIONAL;
+ return(string+strlen(national));
+ }
+ *ntype = INFO_NTYPE_SUBSCRIBER;
+ return(string);
+}
+
+/* create number (including access codes) from caller id
+ * prefixes.
+ */
+char *numberrize_callerinfo(char *string, int ntype, char *national, char *international)
+{
+ static char result[256];
+
+ switch(ntype)
+ {
+ case INFO_NTYPE_INTERNATIONAL:
+ UCPY(result, international);
+ SCAT(result, string);
+ return(result);
+ break;
+
+ case INFO_NTYPE_NATIONAL:
+ UCPY(result, national);
+ SCAT(result, string);
+ return(result);
+ break;
+
+ default:
+ return(string);
+ }
+}
+
+
+