Changed color order at colorized output.

Remove index cache zombies when unloading CAN drivers.
Modified index cache failure message.

diff --git a/candump.c b/candump.c
index c5ce33b..ce5ca42 100644 (file)
--- a/candump.c
+++ b/candump.c
@@ -79,7 +79,7 @@
 #define MAGENTA ATTBOLD FGMAGENTA
 #define CYAN    ATTBOLD FGCYAN
 
-const char col_on [MAXDEV][19] = {BOLD, MAGENTA, GREEN, BLUE, CYAN, RED};
+const char col_on [MAXDEV][19] = {BLUE, RED, GREEN, BOLD, MAGENTA, CYAN};
 const char col_off [] = ATTRESET;
 
 static char devname[MAXDEV][IFNAMSIZ+1];
@@ -132,12 +132,21 @@ int idx2dindex(int ifidx, int socket) {
 
     /* create new interface index cache entry */
 
+    /* remove index cache zombies first */
+    for (i=0; i < MAXDEV; i++) {
+       if (dindex[i]) {
+           ifr.ifr_ifindex = dindex[i];
+           if (ioctl(socket, SIOCGIFNAME, &ifr) < 0)
+               dindex[i] = 0;
+       }
+    }
+
     for (i=0; i < MAXDEV; i++)
        if (!dindex[i]) /* free entry */
            break;
 
     if (i == MAXDEV) {
-       printf("BUG in interface index cache! MAXDEV?\n");
+       printf("Interface index cache only supports %d interfaces.\n", MAXDEV);
        exit(1);
     }