Increase the maximum number of packet selections to 512 (from 100). More importantly, give the user feedback if we run out of room for packet selections. As mentioned on the list, this could be made completely dynamic if someone actually goes over the (new) limit. OK for 0.99.6 but not necessary.

svn path=/trunk/; revision=22145

editcap.c

@@ -106,7 +106,8 @@ struct time_adjustment {
   int is_negative;
 };
 
-static struct select_item selectfrm[100];
+#define MAX_SELECTIONS 512
+static struct select_item selectfrm[MAX_SELECTIONS];
 static int max_selected = -1;
 static int keep_em = 0;
 static int out_file_type = WTAP_FILE_PCAP;   /* default to "libpcap"   */
@@ -120,14 +121,17 @@ static gboolean check_startstop = FALSE;
 static gboolean dup_detect = FALSE;
 
 /* Add a selection item, a simple parser for now */
-
-static void add_selection(char *sel)
+static gboolean
+add_selection(char *sel)
 {
   char *locn;
   char *next;
 
-  if (max_selected == (sizeof(selectfrm)/sizeof(struct select_item)) - 1)
-    return;
+  if (++max_selected >= MAX_SELECTIONS) {
+    /* Let the user know we stopped selecting */
+    printf("Out of room for packet selections!\n");
+    return(FALSE);
+  }
 
   printf("Add_Selected: %s\n", sel);
 
@@ -135,7 +139,6 @@ static void add_selection(char *sel)
 
     printf("Not inclusive ...");
 
-    max_selected++;
     selectfrm[max_selected].inclusive = 0;
     selectfrm[max_selected].first = atoi(sel);
 
@@ -147,7 +150,6 @@ static void add_selection(char *sel)
     printf("Inclusive ...");
 
     next = locn + 1;
-    max_selected++;
     selectfrm[max_selected].inclusive = 1;
     selectfrm[max_selected].first = atoi(sel);
     selectfrm[max_selected].second = atoi(next);
@@ -156,12 +158,13 @@ static void add_selection(char *sel)
 
   }
 
-
+  return(TRUE);
 }
 
 /* Was the packet selected? */
 
-static int selected(int recno)
+static int
+selected(int recno)
 {
   int i = 0;
 
@@ -393,7 +396,7 @@ int main(int argc, char *argv[])
 		register_all_wiretap_modules();
     }
 #endif
-    
+
   /* Process the options */
   while ((opt = getopt(argc, argv, "A:B:c:C:dE:F:hrs:t:T:v")) !=-1) {
 
@@ -621,7 +624,8 @@ int main(int argc, char *argv[])
     }
 
     for (i = optind + 2; i < argc; i++)
-      add_selection(argv[i]);
+      if (add_selection(argv[i]) == FALSE)
+	break;
 
     while (wtap_read(wth, &err, &err_info, &data_offset)) {