VRRP: add a sample capture and two test cases

[tcpdump] / print-ascii.c

diff --git a/print-ascii.c b/print-ascii.c
index fa8793cb0641b6227506d9875f78a77593576dc8..18d5d0fb312ec564816103581f0c5b55f2a6b084 100644 (file)
--- a/print-ascii.c
+++ b/print-ascii.c
@@ -40,13 +40,10 @@
 #include "config.h"
 #endif
 
-#ifndef lint
-static const char rcsid[] _U_ =
-     "@(#) $Header: /tcpdump/master/tcpdump/print-ascii.c,v 1.17 2005-07-06 20:53:32 guy Exp $";
-#endif
 #include <tcpdump-stdinc.h>
 #include <stdio.h>
 
+#include "netdissect.h"
 #include "interface.h"
 
 #define ASCII_LINELENGTH 300
@@ -65,11 +62,25 @@ ascii_print(register const u_char *cp, register u_int length)
        while (length > 0) {
                s = *cp++;
                length--;
-               if (!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);
+               }
        }
 }
 
@@ -92,8 +103,8 @@ hex_and_ascii_print_with_offset(register const char *ident,
                (void)snprintf(hsp, sizeof(hexstuff) - (hsp - hexstuff),
                    " %02x%02x", s1, s2);
                hsp += HEXDUMP_HEXSTUFF_PER_SHORT;
-               *(asp++) = (isgraph(s1) ? s1 : '.');
-               *(asp++) = (isgraph(s2) ? s2 : '.');
+               *(asp++) = (ND_ISGRAPH(s1) ? s1 : '.');
+               *(asp++) = (ND_ISGRAPH(s2) ? s2 : '.');
                i++;
                if (i >= HEXDUMP_SHORTS_PER_LINE) {
                        *hsp = *asp = '\0';
@@ -109,7 +120,7 @@ hex_and_ascii_print_with_offset(register const char *ident,
                (void)snprintf(hsp, sizeof(hexstuff) - (hsp - hexstuff),
                    " %02x", s1);
                hsp += 3;
-               *(asp++) = (isgraph(s1) ? s1 : '.');
+               *(asp++) = (ND_ISGRAPH(s1) ? s1 : '.');
                ++i;
        }
        if (i > 0) {
@@ -131,8 +142,9 @@ hex_and_ascii_print(register const char *ident, register const u_char *cp,
  * telnet_print() wants this.  It is essentially default_print_unaligned()
  */
 void
-hex_print_with_offset(register const char *ident, register const u_char *cp, register u_int length,
-                     register u_int oset)
+hex_print_with_offset(netdissect_options *ndo,
+                      const char *ident, const u_char *cp, u_int length,
+                     u_int oset)
 {
        register u_int i, s;
        register int nshorts;
@@ -141,16 +153,16 @@ hex_print_with_offset(register const char *ident, register const u_char *cp, reg
        i = 0;
        while (--nshorts >= 0) {
                if ((i++ % 8) == 0) {
-                       (void)printf("%s0x%04x: ", ident, oset);
-                       oset += HEXDUMP_BYTES_PER_LINE;
+                  (void)ND_PRINT((ndo,"%s0x%04x: ", ident, oset));
+                  oset += HEXDUMP_BYTES_PER_LINE;
                }
                s = *cp++;
-               (void)printf(" %02x%02x", s, *cp++);
+               (void)ND_PRINT((ndo," %02x%02x", s, *cp++));
        }
        if (length & 1) {
                if ((i % 8) == 0)
-                       (void)printf("%s0x%04x: ", ident, oset);
-               (void)printf(" %02x", *cp);
+                  (void)ND_PRINT((ndo,"%s0x%04x: ", ident, oset));
+               (void)ND_PRINT((ndo," %02x", *cp));
        }
 }
 
@@ -158,9 +170,9 @@ hex_print_with_offset(register const char *ident, register const u_char *cp, reg
  * just for completeness
  */
 void
-hex_print(register const char *ident, register const u_char *cp, register u_int length)
+hex_print(netdissect_options *ndo,const char *ident, const u_char *cp, u_int length)
 {
-       hex_print_with_offset(ident, cp, length, 0);
+  hex_print_with_offset(ndo, ident, cp, length, 0);
 }
 
 #ifdef MAIN