Use symmetrical quotation characters in error messages

[tcpdump] / tcpdump.c

diff --git a/tcpdump.c b/tcpdump.c
index e8c6b816281b63df089014c67f62af51ba097355..633d4812d0e5379f41f5542705aa4f1ea34c80cb 100644 (file)
--- a/tcpdump.c
+++ b/tcpdump.c
@@ -1728,7 +1728,7 @@ main(int argc, char **argv)
                                if (nd_load_smi_module(optarg, ebuf, sizeof(ebuf)) == -1)
                                        error("%s", ebuf);
                        } else {
-                               (void)fprintf(stderr, "%s: ignoring option `-m %s' ",
+                               (void)fprintf(stderr, "%s: ignoring option '-m %s' ",
                                              program_name, optarg);
                                (void)fprintf(stderr, "(no libsmi support)\n");
                        }
@@ -1772,7 +1772,7 @@ main(int argc, char **argv)
                        else if (ascii_strcasecmp(optarg, "inout") == 0)
                                Qflag = PCAP_D_INOUT;
                        else
-                               error("unknown capture direction `%s'", optarg);
+                               error("unknown capture direction '%s'", optarg);
                        break;
 #endif /* HAVE_PCAP_SETDIRECTION */
 
@@ -1838,7 +1838,7 @@ main(int argc, char **argv)
                        else if (ascii_strcasecmp(optarg, "domain") == 0)
                                ndo->ndo_packettype = PT_DOMAIN;
                        else
-                               error("unknown packet type `%s'", optarg);
+                               error("unknown packet type '%s'", optarg);
                        break;
 
                case 'u':