Merge pull request #492 from vel21ripn/nflog-print

[tcpdump] / print-ascii.c

diff --git a/print-ascii.c b/print-ascii.c
index 8460f84baf2ca8bd0f98130b06342ed8096e4285..237cf636caa21bc9f33b9c81948f860bbef19a38 100644 (file)
--- a/print-ascii.c
+++ b/print-ascii.c
@@ -43,8 +43,11 @@
 #endif
 
 #include "netdissect-stdinc.h"
+
 #include <stdio.h>
 
+#include "netdissect-ctype.h"
+
 #include "netdissect.h"
 #include "extract.h"
 
@@ -65,7 +68,7 @@ ascii_print(netdissect_options *ndo,
        u_char s;
 
        ndo->ndo_protocol = "ascii";
-       caplength = (ndo->ndo_snapend > cp) ? ndo->ndo_snapend - cp : 0;
+       caplength = (ndo->ndo_snapend > cp) ? ND_BYTES_AVAILABLE_AFTER(cp) : 0;
        if (length > caplength)
                length = caplength;
        ND_PRINT("\n");
@@ -86,7 +89,7 @@ ascii_print(netdissect_options *ndo,
                        if (length > 1 && GET_U_1(cp) != '\n')
                                ND_PRINT(".");
                } else {
-                       if (!ND_ISGRAPH(s) &&
+                       if (!ND_ASCII_ISGRAPH(s) &&
                            (s != '\t' && s != ' ' && s != '\n'))
                                ND_PRINT(".");
                        else
@@ -106,7 +109,7 @@ hex_and_ascii_print_with_offset(netdissect_options *ndo, const char *ident,
        char hexstuff[HEXDUMP_SHORTS_PER_LINE*HEXDUMP_HEXSTUFF_PER_SHORT+1], *hsp;
        char asciistuff[ASCII_LINELENGTH+1], *asp;
 
-       caplength = (ndo->ndo_snapend > cp) ? ndo->ndo_snapend - cp : 0;
+       caplength = (ndo->ndo_snapend > cp) ? ND_BYTES_AVAILABLE_AFTER(cp) : 0;
        if (length > caplength)
                length = caplength;
        nshorts = length / sizeof(u_short);
@@ -117,11 +120,11 @@ hex_and_ascii_print_with_offset(netdissect_options *ndo, const char *ident,
                cp++;
                s2 = GET_U_1(cp);
                cp++;
-               (void)nd_snprintf(hsp, sizeof(hexstuff) - (hsp - hexstuff),
+               (void)snprintf(hsp, sizeof(hexstuff) - (hsp - hexstuff),
                    " %02x%02x", s1, s2);
                hsp += HEXDUMP_HEXSTUFF_PER_SHORT;
-               *(asp++) = (char)(ND_ISGRAPH(s1) ? s1 : '.');
-               *(asp++) = (char)(ND_ISGRAPH(s2) ? s2 : '.');
+               *(asp++) = (char)(ND_ASCII_ISGRAPH(s1) ? s1 : '.');
+               *(asp++) = (char)(ND_ASCII_ISGRAPH(s2) ? s2 : '.');
                i++;
                if (i >= HEXDUMP_SHORTS_PER_LINE) {
                        *hsp = *asp = '\0';
@@ -136,10 +139,10 @@ hex_and_ascii_print_with_offset(netdissect_options *ndo, const char *ident,
        if (length & 1) {
                s1 = GET_U_1(cp);
                cp++;
-               (void)nd_snprintf(hsp, sizeof(hexstuff) - (hsp - hexstuff),
+               (void)snprintf(hsp, sizeof(hexstuff) - (hsp - hexstuff),
                    " %02x", s1);
                hsp += 3;
-               *(asp++) = (char)(ND_ISGRAPH(s1) ? s1 : '.');
+               *(asp++) = (char)(ND_ASCII_ISGRAPH(s1) ? s1 : '.');
                ++i;
        }
        if (i > 0) {
@@ -169,7 +172,7 @@ hex_print_with_offset(netdissect_options *ndo,
        u_int i, s;
        u_int nshorts;
 
-       caplength = (ndo->ndo_snapend > cp) ? ndo->ndo_snapend - cp : 0;
+       caplength = (ndo->ndo_snapend > cp) ? ND_BYTES_AVAILABLE_AFTER(cp) : 0;
        if (length > caplength)
                length = caplength;
        nshorts = length / sizeof(u_short);