Squelch a Coverity warning.

[tcpdump] / print.c

diff --git a/print.c b/print.c
index 876d09c6809d61685818fb5036d0f0a1f6285cd0..9fedd9fba2b0e19b054413ee021c510eb2a859b7 100644 (file)
--- a/print.c
+++ b/print.c
@@ -32,10 +32,9 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
 #include "netdissect.h"
-#include "interface.h"
 #include "addrtoname.h"
 #include "print.h"
 
@@ -224,7 +223,6 @@ static const struct printer printers[] = {
        { NULL,                 0 },
 };
 
-
 static void    ndo_default_print(netdissect_options *ndo, const u_char *bp,
                    u_int length);
 
@@ -247,7 +245,7 @@ static int  ndo_printf(netdissect_options *ndo _U_, const char *fmt, ...)
                     ;
 
 void
-init_print(netdissect_options *ndo, u_int32_t localnet, u_int32_t mask,
+init_print(netdissect_options *ndo, uint32_t localnet, uint32_t mask,
     uint32_t timezone_offset)
 {
 
@@ -296,19 +294,17 @@ lookup_printer(int type)
 int
 has_printer(int type)
 {
-
        return (lookup_printer(type) != NULL);
 }
 
-struct print_info
-get_print_info(netdissect_options *ndo, int type)
+if_printer
+get_if_printer(netdissect_options *ndo, int type)
 {
        const char *dltname;
-       struct print_info printinfo;
+       if_printer printer;
 
-       printinfo.ndo = ndo;
-       printinfo.printer = lookup_printer(type);
-       if (printinfo.printer == NULL) {
+       printer = lookup_printer(type);
+       if (printer == NULL) {
                dltname = pcap_datalink_val_to_name(type);
                if (dltname != NULL)
                        (*ndo->ndo_error)(ndo,
@@ -318,17 +314,14 @@ get_print_info(netdissect_options *ndo, int type)
                        (*ndo->ndo_error)(ndo,
                                          "packet printing is not supported for link type %d: use -w", type);
        }
-       return (printinfo);
+       return printer;
 }
 
 void
-pretty_print_packet(struct print_info *print_info, const struct pcap_pkthdr *h,
+pretty_print_packet(netdissect_options *ndo, const struct pcap_pkthdr *h,
     const u_char *sp, u_int packets_captured)
 {
        u_int hdrlen;
-        netdissect_options *ndo;
-
-        ndo = print_info->ndo;
 
        if(ndo->ndo_packet_number)
                ND_PRINT((ndo, "%5u  ", packets_captured));
@@ -343,7 +336,7 @@ pretty_print_packet(struct print_info *print_info, const struct pcap_pkthdr *h,
         */
        ndo->ndo_snapend = sp + h->caplen;
 
-        hdrlen = (*print_info->printer)(print_info->ndo, h, sp);
+        hdrlen = (ndo->ndo_if_printer)(ndo, h, sp);
 
        /*
         * Restore the original snapend, as a printer might have
@@ -469,13 +462,14 @@ ndo_printf(netdissect_options *ndo _U_, const char *fmt, ...)
        ret = vfprintf(stdout, fmt, args);
        va_end(args);
 
+       if (ret < 0)
+               ndo_error(ndo, "Unable to write output: %s", pcap_strerror(errno));
        return (ret);
 }
 
 void
 ndo_set_function_pointers(netdissect_options *ndo)
 {
-
        ndo->ndo_default_print=ndo_default_print;
        ndo->ndo_printf=ndo_printf;
        ndo->ndo_error=ndo_error;