New get/set methods for packet object.

Author: wb2osz

src/ax25_pad.c

@@ -372,7 +372,7 @@ packet_t ax25_from_text (char *monitor, int strict)
 /*
  * Tearing it apart is destructive so make our own copy first.
  */
-	char stuff[512];
+	char stuff[AX25_MAX_PACKET_LEN+1];
 	char *pinfo;
 
 	int ssid_temp, heard_temp;
@@ -1717,6 +1717,19 @@ int ax25_get_info (packet_t this_p, unsigned char **paddr)
 } /* end ax25_get_info */
 
 
+void ax25_set_info (packet_t this_p, unsigned char *new_info_ptr, int new_info_len)
+{
+	unsigned char *old_info_ptr;
+	int old_info_len = ax25_get_info (this_p, &old_info_ptr);
+	this_p->frame_len -= old_info_len;
+
+	if (new_info_len < 0) new_info_len = 0;
+	if (new_info_len > AX25_MAX_INFO_LEN) new_info_len = AX25_MAX_INFO_LEN;
+	memcpy (old_info_ptr, new_info_ptr, new_info_len);
+	this_p->frame_len += new_info_len;
+}
+
+
 /*------------------------------------------------------------------------------
  *
  * Name:	ax25_cut_at_crlf
@@ -1892,6 +1905,25 @@ void ax25_set_modulo (packet_t this_p, int modulo)
 }
 
 
+/*------------------------------------------------------------------------------
+ *
+ * Name:	ax25_get_modulo
+ *
+ * Purpose:	Get modulo value for I and S frame sequence numbers.
+ *
+ * Returns:	8 or 128 if known.
+ *		0 if unknown.
+ *
+ *------------------------------------------------------------------------------*/
+
+int ax25_get_modulo (packet_t this_p)
+{
+	assert (this_p->magic1 == MAGIC);
+	assert (this_p->magic2 == MAGIC);
+
+	return (this_p->modulo);
+}
+
 
 
 
@@ -2598,6 +2630,15 @@ int ax25_get_frame_len (packet_t this_p)
 } /* end ax25_get_frame_len */
 
 
+unsigned char *ax25_get_frame_data_ptr (packet_t this_p)
+{
+	assert (this_p->magic1 == MAGIC);
+	assert (this_p->magic2 == MAGIC);
+
+	return (this_p->frame_data);
+
+} /* end ax25_get_frame_data_ptr */
+
 
 /*------------------------------------------------------------------------------
  *

src/ax25_pad.h

@@ -397,6 +397,7 @@ extern int ax25_get_first_not_repeated(packet_t pp);
 extern int ax25_get_rr (packet_t this_p, int n);
 
 extern int ax25_get_info (packet_t pp, unsigned char **paddr);
+extern void ax25_set_info (packet_t pp, unsigned char *info_ptr, int info_len);
 extern int ax25_cut_at_crlf (packet_t this_p);
 
 extern void ax25_set_nextp (packet_t this_p, packet_t next_p);
@@ -409,6 +410,7 @@ extern void ax25_set_release_time (packet_t this_p, double release_time);
 extern double ax25_get_release_time (packet_t this_p);
 
 extern void ax25_set_modulo (packet_t this_p, int modulo);
+extern int ax25_get_modulo (packet_t this_p);
 
 extern void ax25_format_addrs (packet_t pp, char *);
 extern void ax25_format_via_path (packet_t this_p, char *result, size_t result_size);
@@ -428,6 +430,7 @@ extern int ax25_get_c2 (packet_t this_p);
 extern int ax25_get_pid (packet_t this_p);
 
 extern int ax25_get_frame_len (packet_t this_p);
+extern unsigned char *ax25_get_frame_data_ptr (packet_t this_p);
 
 extern unsigned short ax25_dedupe_crc (packet_t pp);