VRRP: add a sample capture and two test cases

[tcpdump] / print-ascii.c

diff --git a/print-ascii.c b/print-ascii.c
index 3ff8887b1f5a09c5c5069e6a100282e14561eae9..18d5d0fb312ec564816103581f0c5b55f2a6b084 100644 (file)
--- a/print-ascii.c
+++ b/print-ascii.c
@@ -62,11 +62,25 @@ ascii_print(register const u_char *cp, register u_int length)
        while (length > 0) {
                s = *cp++;
                length--;
-               if (!ND_ISGRAPH(s) &&
-                   (s != '\t' && s != ' ' && s != '\n' && s != '\r'))
-                       putchar('.');
-               else
-                       putchar(s);
+               if (s == '\r') {
+                       /*
+                        * Don't print CRs at the end of the line; they
+                        * don't belong at the ends of lines on UN*X,
+                        * and the standard I/O library will give us one
+                        * on Windows so we don't need to print one
+                        * ourselves.
+                        *
+                        * In the middle of a line, just print a '.'.
+                        */
+                       if (length > 1 && *cp != '\n')
+                               putchar('.');
+               } else {
+                       if (!ND_ISGRAPH(s) &&
+                           (s != '\t' && s != ' ' && s != '\n'))
+                               putchar('.');
+                       else
+                               putchar(s);
+               }
        }
 }