X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/c1c3c77463d592cc576eaa491e604752044ca55a..e2982e7f6f0b624a773ec5a58885ee80fab46d34:/print-ascii.c diff --git a/print-ascii.c b/print-ascii.c index 92229a68..27ecc2e2 100644 --- a/print-ascii.c +++ b/print-ascii.c @@ -36,14 +36,17 @@ * POSSIBILITY OF SUCH DAMAGE. */ +/* \summary: ASCII packet dump printer */ + #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include +#include #include #include "netdissect.h" +#include "extract.h" #define ASCII_LINELENGTH 300 #define HEXDUMP_BYTES_PER_LINE 16 @@ -57,14 +60,15 @@ ascii_print(netdissect_options *ndo, const u_char *cp, u_int length) { u_int caplength; - register u_char s; + u_char s; caplength = (ndo->ndo_snapend >= cp) ? ndo->ndo_snapend - cp : 0; if (length > caplength) length = caplength; - ND_PRINT((ndo, "\n")); + ND_PRINT("\n"); while (length > 0) { - s = *cp++; + s = EXTRACT_U_1(cp); + cp++; length--; if (s == '\r') { /* @@ -76,26 +80,26 @@ ascii_print(netdissect_options *ndo, * * In the middle of a line, just print a '.'. */ - if (length > 1 && *cp != '\n') - ND_PRINT((ndo, ".")); + if (length > 1 && EXTRACT_U_1(cp) != '\n') + ND_PRINT("."); } else { if (!ND_ISGRAPH(s) && (s != '\t' && s != ' ' && s != '\n')) - ND_PRINT((ndo, ".")); + ND_PRINT("."); else - ND_PRINT((ndo, "%c", s)); + ND_PRINT("%c", s); } } } void -hex_and_ascii_print_with_offset(netdissect_options *ndo, register const char *ident, - register const u_char *cp, register u_int length, register u_int oset) +hex_and_ascii_print_with_offset(netdissect_options *ndo, const char *ident, + const u_char *cp, u_int length, u_int oset) { u_int caplength; - register u_int i; - register int s1, s2; - register int nshorts; + u_int i; + int s1, s2; + int nshorts; char hexstuff[HEXDUMP_SHORTS_PER_LINE*HEXDUMP_HEXSTUFF_PER_SHORT+1], *hsp; char asciistuff[ASCII_LINELENGTH+1], *asp; @@ -116,9 +120,9 @@ hex_and_ascii_print_with_offset(netdissect_options *ndo, register const char *id i++; if (i >= HEXDUMP_SHORTS_PER_LINE) { *hsp = *asp = '\0'; - ND_PRINT((ndo, "%s0x%04x: %-*s %s", + ND_PRINT("%s0x%04x: %-*s %s", ident, oset, HEXDUMP_HEXSTUFF_PER_LINE, - hexstuff, asciistuff)); + hexstuff, asciistuff); i = 0; hsp = hexstuff; asp = asciistuff; oset += HEXDUMP_BYTES_PER_LINE; } @@ -133,15 +137,15 @@ hex_and_ascii_print_with_offset(netdissect_options *ndo, register const char *id } if (i > 0) { *hsp = *asp = '\0'; - ND_PRINT((ndo, "%s0x%04x: %-*s %s", + ND_PRINT("%s0x%04x: %-*s %s", ident, oset, HEXDUMP_HEXSTUFF_PER_LINE, - hexstuff, asciistuff)); + hexstuff, asciistuff); } } void -hex_and_ascii_print(netdissect_options *ndo, register const char *ident, - register const u_char *cp, register u_int length) +hex_and_ascii_print(netdissect_options *ndo, const char *ident, + const u_char *cp, u_int length) { hex_and_ascii_print_with_offset(ndo, ident, cp, length, 0); } @@ -155,8 +159,8 @@ hex_print_with_offset(netdissect_options *ndo, u_int oset) { u_int caplength; - register u_int i, s; - register int nshorts; + u_int i, s; + int nshorts; caplength = (ndo->ndo_snapend >= cp) ? ndo->ndo_snapend - cp : 0; if (length > caplength) @@ -165,16 +169,16 @@ hex_print_with_offset(netdissect_options *ndo, i = 0; while (--nshorts >= 0) { if ((i++ % 8) == 0) { - ND_PRINT((ndo,"%s0x%04x: ", ident, oset)); + ND_PRINT("%s0x%04x: ", ident, oset); oset += HEXDUMP_BYTES_PER_LINE; } s = *cp++; - ND_PRINT((ndo," %02x%02x", s, *cp++)); + ND_PRINT(" %02x%02x", s, *cp++); } if (length & 1) { if ((i % 8) == 0) - ND_PRINT((ndo,"%s0x%04x: ", ident, oset)); - ND_PRINT((ndo," %02x", *cp)); + ND_PRINT("%s0x%04x: ", ident, oset); + ND_PRINT(" %02x", *cp); } }