tap: change glib functions to wmem.

Change-Id: I878ae6b121a669f9b7f4e1e57bc079f0cb44c0bf
Reviewed-on: https://code.wireshark.org/review/15270
Petri-Dish: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Evan Huus <eapache@gmail.com>
Reviewed-by: Anders Broman <a.broman58@gmail.com>

29 files changed, 82 insertions, 81 deletions

diff --git a/ui/cli/tap-camelsrt.c b/ui/cli/tap-camelsrt.c
index 6277d357d8..7e64bf6449 100644
--- a/ui/cli/tap-camelsrt.c
+++ b/ui/cli/tap-camelsrt.c
@@ -210,7 +210,7 @@ static void camelsrt_draw(void *phs)
 static void camelsrt_init(const char *opt_arg, void *userdata _U_)
 {
   struct camelsrt_t *p_camelsrt;
-  GString *error_string;
+  gchar *error_string;
 
   p_camelsrt = g_new(struct camelsrt_t, 1);
   if (!strncmp(opt_arg, "camel,srt,", 9)) {
@@ -234,8 +234,8 @@ static void camelsrt_init(const char *opt_arg, void *userdata _U_)
     g_free(p_camelsrt);
 
     fprintf(stderr, "tshark: Couldn't register camel,srt tap: %s\n",
-            error_string->str);
-    g_string_free(error_string, TRUE);
+            error_string);
+    wmem_free(NULL, error_string);
     exit(1);
   }
 
diff --git a/ui/cli/tap-comparestat.c b/ui/cli/tap-comparestat.c
index 286310103a..e11b1a132d 100644
--- a/ui/cli/tap-comparestat.c
+++ b/ui/cli/tap-comparestat.c
@@ -530,7 +530,7 @@ comparestat_init(const char *opt_arg, void *userdata _U_)
 {
 	comparestat_t *cs;
 	const char *filter = NULL;
-	GString *error_string;
+	gchar *error_string;
 	gint start, stop, ttl, order, pos = 0;
 	gdouble variance;
 
@@ -581,8 +581,8 @@ comparestat_init(const char *opt_arg, void *userdata _U_)
 		g_hash_table_destroy(cs->packet_set);
 		g_free(cs);
 
-		fprintf(stderr, "tshark: Couldn't register compare tap: %s\n", error_string->str);
-		g_string_free(error_string, TRUE);
+		fprintf(stderr, "tshark: Couldn't register compare tap: %s\n", error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-diameter-avp.c b/ui/cli/tap-diameter-avp.c
index 02106cd9f4..51223c8711 100644
--- a/ui/cli/tap-diameter-avp.c
+++ b/ui/cli/tap-diameter-avp.c
@@ -220,7 +220,7 @@ diameteravp_init(const char *opt_arg, void *userdata _U_)
 	guint		opt_count    = 0;
 	guint		opt_idx	     = 0;
 	GString	       *filter	     = NULL;
-	GString	       *error_string = NULL;
+	gchar	       *error_string = NULL;
 
 	ds = g_new(diameteravp_t, 1);
 	ds->frame	      = 0;
@@ -263,8 +263,8 @@ diameteravp_init(const char *opt_arg, void *userdata _U_)
 		g_free(ds);
 
 		fprintf(stderr, "tshark: Couldn't register diam,csv tap: %s\n",
-				error_string->str);
-		g_string_free(error_string, TRUE);
+				error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-endpoints.c b/ui/cli/tap-endpoints.c
index 5e261bd29b..9aec736047 100644
--- a/ui/cli/tap-endpoints.c
+++ b/ui/cli/tap-endpoints.c
@@ -113,7 +113,7 @@ endpoints_draw(void *arg)
 void init_hostlists(struct register_ct *ct, const char *filter)
 {
 	endpoints_t *iu;
-	GString *error_string;
+	gchar *error_string;
 
 	iu = g_new0(endpoints_t, 1);
 	iu->type = proto_get_protocol_short_name(find_protocol_by_id(get_conversation_proto_id(ct)));
@@ -124,8 +124,8 @@ void init_hostlists(struct register_ct *ct, const char *filter)
 	if (error_string) {
 		g_free(iu);
 		fprintf(stderr, "tshark: Couldn't register endpoint tap: %s\n",
-		    error_string->str);
-		g_string_free(error_string, TRUE);
+		    error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 
diff --git a/ui/cli/tap-expert.c b/ui/cli/tap-expert.c
index 07fdfb5f6c..be92d150dd 100644
--- a/ui/cli/tap-expert.c
+++ b/ui/cli/tap-expert.c
@@ -195,7 +195,7 @@ static void expert_stat_init(const char *opt_arg, void *userdata _U_)
 {
     const char       *args   = NULL;
     const char       *filter = NULL;
-    GString          *error_string;
+    gchar            *error_string;
     expert_tapdata_t *hs;
     int               n;
 
@@ -257,8 +257,8 @@ static void expert_stat_init(const char *opt_arg, void *userdata _U_)
                                          expert_stat_packet,
                                          expert_stat_draw);
     if (error_string) {
-        printf("Expert tap error (%s)!\n", error_string->str);
-        g_string_free(error_string, TRUE);
+        printf("Expert tap error (%s)!\n", error_string);
+        wmem_free(NULL, error_string);
         g_free(hs);
         exit(1);
     }
diff --git a/ui/cli/tap-follow.c b/ui/cli/tap-follow.c
index 9d2b2d0cc9..cfce4a9c9c 100644
--- a/ui/cli/tap-follow.c
+++ b/ui/cli/tap-follow.c
@@ -445,7 +445,7 @@ static void follow_stream(const char *opt_argp, void *userdata)
 {
   follow_info_t *follow_info;
   cli_follow_info_t* cli_follow_info;
-  GString  *errp;
+  gchar *errp;
   register_follow_t* follower = (register_follow_t*)userdata;
   follow_index_filter_func index_filter;
   follow_address_filter_func address_filter;
@@ -488,7 +488,7 @@ static void follow_stream(const char *opt_argp, void *userdata)
   if (errp != NULL)
   {
     follow_free(follow_info);
-    g_string_free(errp, TRUE);
+    wmem_free(NULL, errp);
     follow_exit("Error registering tap listener.");
   }
 }
diff --git a/ui/cli/tap-gsm_astat.c b/ui/cli/tap-gsm_astat.c
index 8b5bb2b5ab..7dc26e3d07 100644
--- a/ui/cli/tap-gsm_astat.c
+++ b/ui/cli/tap-gsm_astat.c
@@ -320,7 +320,7 @@ static void
 gsm_a_stat_init(const char *opt_arg _U_, void *userdata _U_)
 {
     gsm_a_stat_t        *stat_p;
-    GString             *err_p;
+    gchar               *err_p;
 
     stat_p = g_new(gsm_a_stat_t, 1);
 
@@ -335,7 +335,7 @@ gsm_a_stat_init(const char *opt_arg _U_, void *userdata _U_)
     if (err_p != NULL)
     {
         g_free(stat_p);
-        g_string_free(err_p, TRUE);
+        wmem_free(NULL, err_p);
 
         exit(1);
     }
diff --git a/ui/cli/tap-hosts.c b/ui/cli/tap-hosts.c
index f81a9fc739..1837738b09 100644
--- a/ui/cli/tap-hosts.c
+++ b/ui/cli/tap-hosts.c
@@ -95,7 +95,7 @@ hosts_draw(void *dummy _U_)
 static void
 hosts_init(const char *opt_arg, void *userdata _U_)
 {
-	GString *error_string;
+	gchar *error_string;
 	gchar **tokens;
 	gint opt_count;
 
@@ -128,8 +128,8 @@ hosts_init(const char *opt_arg, void *userdata _U_)
 	if (error_string) {
 		/* error, we failed to attach to the tap. clean up */
 		fprintf(stderr, "tshark: Couldn't register " TAP_NAME " tap: %s\n",
-			error_string->str);
-		g_string_free(error_string, TRUE);
+			error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-httpstat.c b/ui/cli/tap-httpstat.c
index 6b7334b223..ae49a0fce8 100644
--- a/ui/cli/tap-httpstat.c
+++ b/ui/cli/tap-httpstat.c
@@ -284,7 +284,7 @@ httpstat_init(const char *opt_arg, void *userdata _U_)
 {
 	httpstat_t *sp;
 	const char *filter = NULL;
-	GString	   *error_string;
+	gchar	   *error_string;
 
 	if (!strncmp (opt_arg, "http,stat,", 10)) {
 		filter = opt_arg+10;
@@ -314,8 +314,8 @@ httpstat_init(const char *opt_arg, void *userdata _U_)
 		g_free(sp->filter);
 		g_free(sp);
 		fprintf (stderr, "tshark: Couldn't register http,stat tap: %s\n",
-			 error_string->str);
-		g_string_free(error_string, TRUE);
+			 error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 
diff --git a/ui/cli/tap-icmpstat.c b/ui/cli/tap-icmpstat.c
index 9102cf32fe..6db273b0de 100644
--- a/ui/cli/tap-icmpstat.c
+++ b/ui/cli/tap-icmpstat.c
@@ -270,7 +270,7 @@ icmpstat_init(const char *opt_arg, void *userdata _U_)
 {
     icmpstat_t *icmpstat;
     const char *filter = NULL;
-    GString *error_string;
+    gchar *error_string;
 
     if (strstr(opt_arg, "icmp,srt,"))
         filter = opt_arg + strlen("icmp,srt,");
@@ -305,8 +305,8 @@ icmpstat_init(const char *opt_arg, void *userdata _U_)
         g_free(icmpstat);
 
         fprintf(stderr, "tshark: Couldn't register icmp,srt tap: %s\n",
-            error_string->str);
-        g_string_free(error_string, TRUE);
+            error_string);
+        wmem_free(NULL, error_string);
         exit(1);
     }
 }
diff --git a/ui/cli/tap-icmpv6stat.c b/ui/cli/tap-icmpv6stat.c
index 6c2a59d0d7..9c5d372684 100644
--- a/ui/cli/tap-icmpv6stat.c
+++ b/ui/cli/tap-icmpv6stat.c
@@ -271,7 +271,7 @@ icmpv6stat_init(const char *opt_arg, void *userdata _U_)
 {
     icmpv6stat_t *icmpv6stat;
     const char *filter = NULL;
-    GString *error_string;
+    gchar *error_string;
 
     if (strstr(opt_arg, "icmpv6,srt,"))
         filter = opt_arg + strlen("icmpv6,srt,");
@@ -306,8 +306,8 @@ icmpv6stat_init(const char *opt_arg, void *userdata _U_)
         g_free(icmpv6stat);
 
         fprintf(stderr, "tshark: Couldn't register icmpv6,srt tap: %s\n",
-            error_string->str);
-        g_string_free(error_string, TRUE);
+            error_string);
+        wmem_free(NULL, error_string);
         exit(1);
     }
 }
diff --git a/ui/cli/tap-iostat.c b/ui/cli/tap-iostat.c
index d481e1e898..5d3e6ee601 100644
--- a/ui/cli/tap-iostat.c
+++ b/ui/cli/tap-iostat.c
@@ -1220,7 +1220,7 @@ iostat_draw(void *arg)
 static void
 register_io_tap(io_stat_t *io, int i, const char *filter)
 {
-    GString *error_string;
+    gchar *error_string;
     const char *flt;
     int j;
     size_t namelen;
@@ -1372,8 +1372,8 @@ register_io_tap(io_stat_t *io, int i, const char *filter)
         g_free(io->items);
         g_free(io);
         fprintf(stderr, "\ntshark: Couldn't register io,stat tap: %s\n",
-            error_string->str);
-        g_string_free(error_string, TRUE);
+            error_string);
+        wmem_free(NULL, error_string);
         exit(1);
     }
 }
diff --git a/ui/cli/tap-iousers.c b/ui/cli/tap-iousers.c
index 06f02697ac..fb7e0d2f46 100644
--- a/ui/cli/tap-iousers.c
+++ b/ui/cli/tap-iousers.c
@@ -215,7 +215,7 @@ iousers_draw(void *arg)
 void init_iousers(struct register_ct *ct, const char *filter)
 {
 	io_users_t *iu;
-	GString *error_string;
+	gchar *error_string;
 
 	iu = g_new0(io_users_t, 1);
 	iu->type = proto_get_protocol_short_name(find_protocol_by_id(get_conversation_proto_id(ct)));
@@ -226,8 +226,8 @@ void init_iousers(struct register_ct *ct, const char *filter)
 	if (error_string) {
 		g_free(iu);
 		fprintf(stderr, "tshark: Couldn't register conversations tap: %s\n",
-		    error_string->str);
-		g_string_free(error_string, TRUE);
+		    error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 
diff --git a/ui/cli/tap-macltestat.c b/ui/cli/tap-macltestat.c
index c50dab9a87..d5afbdd4eb 100644
--- a/ui/cli/tap-macltestat.c
+++ b/ui/cli/tap-macltestat.c
@@ -517,7 +517,7 @@ static void mac_lte_stat_init(const char *opt_arg, void *userdata _U_)
 {
     mac_lte_stat_t    *hs;
     const char    *filter = NULL;
-    GString       *error_string;
+    gchar         *error_string;
 
     /* Check for a filter string */
     if (strncmp(opt_arg, "mac-lte,stat,", 13) == 0) {
@@ -539,7 +539,7 @@ static void mac_lte_stat_init(const char *opt_arg, void *userdata _U_)
                                          mac_lte_stat_packet,
                                          mac_lte_stat_draw);
     if (error_string) {
-        g_string_free(error_string, TRUE);
+        wmem_free(NULL, error_string);
         g_free(hs);
         exit(1);
     }
diff --git a/ui/cli/tap-protocolinfo.c b/ui/cli/tap-protocolinfo.c
index 23581bc127..8be62703ee 100644
--- a/ui/cli/tap-protocolinfo.c
+++ b/ui/cli/tap-protocolinfo.c
@@ -87,7 +87,7 @@ protocolinfo_init(const char *opt_arg, void *userdata _U_)
 	const char *field = NULL;
 	const char *filter = NULL;
 	header_field_info *hfi;
-	GString *error_string;
+	gchar *error_string;
 
 	if (!strncmp("proto,colinfo,", opt_arg, 14)) {
 		filter = opt_arg+14;
@@ -120,8 +120,8 @@ protocolinfo_init(const char *opt_arg, void *userdata _U_)
 	if (error_string) {
 		/* error, we failed to attach to the tap. complain and clean up */
 		fprintf(stderr, "tshark: Couldn't register proto,colinfo tap: %s\n",
-		    error_string->str);
-		g_string_free(error_string, TRUE);
+		    error_string);
+		wmem_free(NULL, error_string);
 		g_free(rs->filter);
 		g_free(rs);
 
diff --git a/ui/cli/tap-protohierstat.c b/ui/cli/tap-protohierstat.c
index 6fe4096a69..24d8365c46 100644
--- a/ui/cli/tap-protohierstat.c
+++ b/ui/cli/tap-protohierstat.c
@@ -170,7 +170,7 @@ protohierstat_init(const char *opt_arg, void *userdata _U_)
 	phs_t *rs;
 	int pos = 0;
 	const char *filter = NULL;
-	GString *error_string;
+	gchar *error_string;
 
 	if (strcmp("io,phs", opt_arg) == 0) {
 		/* No arguments */
@@ -198,8 +198,8 @@ protohierstat_init(const char *opt_arg, void *userdata _U_)
 		g_free(rs);
 
 		fprintf(stderr, "tshark: Couldn't register io,phs tap: %s\n",
-			error_string->str);
-		g_string_free(error_string, TRUE);
+			error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-rlcltestat.c b/ui/cli/tap-rlcltestat.c
index 546d2a246a..1cbe48eb4e 100644
--- a/ui/cli/tap-rlcltestat.c
+++ b/ui/cli/tap-rlcltestat.c
@@ -365,7 +365,7 @@ static void rlc_lte_stat_init(const char *opt_arg, void *userdata _U_)
 {
     rlc_lte_stat_t    *hs;
     const char        *filter = NULL;
-    GString           *error_string;
+    gchar             *error_string;
 
     /* Check for a filter string */
     if (strncmp(opt_arg, "rlc-lte,stat,", 13) == 0) {
@@ -392,7 +392,7 @@ static void rlc_lte_stat_init(const char *opt_arg, void *userdata _U_)
                                          rlc_lte_stat_packet,
                                          rlc_lte_stat_draw);
     if (error_string) {
-        g_string_free(error_string, TRUE);
+        wmem_free(NULL, error_string);
         g_free(hs);
         exit(1);
     }
diff --git a/ui/cli/tap-rpcprogs.c b/ui/cli/tap-rpcprogs.c
index 798062087d..ee2c9e7b77 100644
--- a/ui/cli/tap-rpcprogs.c
+++ b/ui/cli/tap-rpcprogs.c
@@ -211,7 +211,7 @@ rpcprogs_draw(void *dummy _U_)
 static void
 rpcprogs_init(const char *opt_arg _U_, void *userdata _U_)
 {
-	GString *error_string;
+	gchar *error_string;
 
 	if (already_enabled) {
 		return;
@@ -221,8 +221,8 @@ rpcprogs_init(const char *opt_arg _U_, void *userdata _U_)
 	error_string = register_tap_listener("rpc", NULL, NULL, 0, NULL, rpcprogs_packet, rpcprogs_draw);
 	if (error_string) {
 		fprintf(stderr, "tshark: Couldn't register rpc,programs tap: %s\n",
-			error_string->str);
-		g_string_free(error_string, TRUE);
+			error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-rtd.c b/ui/cli/tap-rtd.c
index 2e43286b62..c37d02713a 100644
--- a/ui/cli/tap-rtd.c
+++ b/ui/cli/tap-rtd.c
@@ -102,7 +102,7 @@ rtd_draw(void *arg)
 static void
 init_rtd_tables(register_rtd_t* rtd, const char *filter)
 {
-	GString *error_string;
+	gchar *error_string;
 	rtd_t* ui;
 
 	ui = g_new0(rtd_t, 1);
@@ -116,8 +116,8 @@ init_rtd_tables(register_rtd_t* rtd, const char *filter)
 	error_string = register_tap_listener(get_rtd_tap_listener_name(rtd), &ui->rtd, filter, 0, NULL, get_rtd_packet_func(rtd), rtd_draw);
 	if (error_string) {
 		free_rtd_table(&ui->rtd.stat_table, NULL, NULL);
-		fprintf(stderr, "tshark: Couldn't register srt tap: %s\n", error_string->str);
-		g_string_free(error_string, TRUE);
+		fprintf(stderr, "tshark: Couldn't register srt tap: %s\n", error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-rtp.c b/ui/cli/tap-rtp.c
index 71243474de..230f356087 100644
--- a/ui/cli/tap-rtp.c
+++ b/ui/cli/tap-rtp.c
@@ -139,7 +139,7 @@ rtp_streams_stat_draw(void *arg _U_)
 static void
 rtp_streams_stat_init(const char *opt_arg _U_, void *userdata _U_)
 {
-    GString             *err_p;
+    gchar             *err_p;
 
     err_p =
         register_tap_listener("rtp", &the_tapinfo_struct, NULL, 0,
@@ -149,7 +149,7 @@ rtp_streams_stat_init(const char *opt_arg _U_, void *userdata _U_)
 
     if (err_p != NULL)
     {
-        g_string_free(err_p, TRUE);
+        wmem_free(NULL, err_p);
 
         exit(1);
     }
diff --git a/ui/cli/tap-rtspstat.c b/ui/cli/tap-rtspstat.c
index 20d15e4640..d91167a30d 100644
--- a/ui/cli/tap-rtspstat.c
+++ b/ui/cli/tap-rtspstat.c
@@ -236,7 +236,7 @@ rtspstat_init(const char *opt_arg, void *userdata _U_)
 {
 	rtspstat_t *sp;
 	const char *filter = NULL;
-	GString	*error_string;
+	gchar	*error_string;
 
 	if (!strncmp (opt_arg, "rtsp,stat,", 10)) {
 		filter = opt_arg+10;
@@ -266,8 +266,8 @@ rtspstat_init(const char *opt_arg, void *userdata _U_)
 		g_free(sp->filter);
 		g_free(sp);
 		fprintf (stderr, "tshark: Couldn't register rtsp,stat tap: %s\n",
-				error_string->str);
-		g_string_free(error_string, TRUE);
+				error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 
diff --git a/ui/cli/tap-sctpchunkstat.c b/ui/cli/tap-sctpchunkstat.c
index 2d41d362ae..cb8efdc42b 100644
--- a/ui/cli/tap-sctpchunkstat.c
+++ b/ui/cli/tap-sctpchunkstat.c
@@ -198,7 +198,7 @@ static void
 sctpstat_init(const char *opt_arg, void *userdata _U_)
 {
 	sctpstat_t *hs;
-	GString	   *error_string;
+	gchar	   *error_string;
 
 	hs = (sctpstat_t *)g_malloc(sizeof(sctpstat_t));
 	if (!strncmp(opt_arg, "sctp,stat,", 11)) {
@@ -218,8 +218,8 @@ sctpstat_init(const char *opt_arg, void *userdata _U_)
 		g_free(hs);
 
 		fprintf(stderr, "tshark: Couldn't register sctp,stat tap: %s\n",
-			error_string->str);
-		g_string_free(error_string, TRUE);
+			error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-simple_stattable.c b/ui/cli/tap-simple_stattable.c
index 9f52eb458d..d722ba2f0f 100644
--- a/ui/cli/tap-simple_stattable.c
+++ b/ui/cli/tap-simple_stattable.c
@@ -103,7 +103,7 @@ simple_draw(void *arg)
 static void
 init_stat_table(stat_tap_table_ui *new_stat_tap, const char *filter)
 {
-	GString *error_string;
+	gchar *error_string;
 	table_stat_t* ui;
 
 	ui = g_new0(table_stat_t, 1);
@@ -116,8 +116,8 @@ init_stat_table(stat_tap_table_ui *new_stat_tap, const char *filter)
 	error_string = register_tap_listener(new_stat_tap->tap_name, &ui->stats, filter, 0, NULL, new_stat_tap->packet_func, simple_draw);
 	if (error_string) {
 /*		free_rtd_table(&ui->rtd.stat_table, NULL, NULL); */
-		fprintf(stderr, "tshark: Couldn't register tap: %s\n", error_string->str);
-		g_string_free(error_string, TRUE);
+		fprintf(stderr, "tshark: Couldn't register tap: %s\n", error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-sipstat.c b/ui/cli/tap-sipstat.c
index a7936102db..bac6b0f4f5 100644
--- a/ui/cli/tap-sipstat.c
+++ b/ui/cli/tap-sipstat.c
@@ -394,7 +394,7 @@ sipstat_init(const char *opt_arg, void *userdata _U_)
 {
 	sipstat_t  *sp;
 	const char *filter = NULL;
-	GString	   *error_string;
+	gchar	   *error_string;
 
 	if (strncmp (opt_arg, "sip,stat,", 9) == 0) {
 		filter = opt_arg+9;
@@ -424,8 +424,8 @@ sipstat_init(const char *opt_arg, void *userdata _U_)
 		g_free(sp->filter);
 		g_free(sp);
 		fprintf (stderr, "tshark: Couldn't register sip,stat tap: %s\n",
-			 error_string->str);
-		g_string_free(error_string, TRUE);
+			 error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 
diff --git a/ui/cli/tap-smbsids.c b/ui/cli/tap-smbsids.c
index 0234281e28..ce6f3f6be9 100644
--- a/ui/cli/tap-smbsids.c
+++ b/ui/cli/tap-smbsids.c
@@ -66,7 +66,7 @@ smbsids_draw(void *pss _U_)
 static void
 smbsids_init(const char *opt_arg _U_, void *userdata _U_)
 {
-	GString *error_string;
+	gchar *error_string;
 
 	if (!sid_name_snooping) {
 		fprintf(stderr, "The -z smb,sids function needs SMB/SID-Snooping to be enabled.\n");
@@ -81,8 +81,8 @@ smbsids_init(const char *opt_arg _U_, void *userdata _U_)
 	error_string = register_tap_listener("smb", NULL, NULL, 0, NULL, smbsids_packet, smbsids_draw);
 	if (error_string) {
 		fprintf(stderr, "tshark: Couldn't register smb,sids tap:%s\n",
-			error_string->str);
-		g_string_free(error_string, TRUE);
+			error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-srt.c b/ui/cli/tap-srt.c
index 32fde53594..d6a965e484 100644
--- a/ui/cli/tap-srt.c
+++ b/ui/cli/tap-srt.c
@@ -118,7 +118,7 @@ static void
 init_srt_tables(register_srt_t* srt, const char *filter)
 {
 	srt_t *ui;
-	GString *error_string;
+	gchar *error_string;
 
 	ui = g_new0(srt_t, 1);
 	ui->type = proto_get_protocol_short_name(find_protocol_by_id(get_srt_proto_id(srt)));
@@ -130,8 +130,8 @@ init_srt_tables(register_srt_t* srt, const char *filter)
 	if (error_string) {
 		free_srt_table(srt, global_srt_array, NULL, NULL);
 		g_free(ui);
-		fprintf(stderr, "tshark: Couldn't register srt tap: %s\n", error_string->str);
-		g_string_free(error_string, TRUE);
+		fprintf(stderr, "tshark: Couldn't register srt tap: %s\n", error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-stats_tree.c b/ui/cli/tap-stats_tree.c
index f30a5dc23b..fedf22da3b 100644
--- a/ui/cli/tap-stats_tree.c
+++ b/ui/cli/tap-stats_tree.c
@@ -64,7 +64,7 @@ static void
 init_stats_tree(const char *opt_arg, void *userdata _U_)
 {
 	char *abbr = stats_tree_get_abbr(opt_arg);
-	GString	*error_string;
+	gchar *error_string;
 	stats_tree_cfg *cfg = NULL;
 	stats_tree *st = NULL;
 
@@ -99,7 +99,8 @@ init_stats_tree(const char *opt_arg, void *userdata _U_)
 					     draw_stats_tree);
 
 	if (error_string) {
-		report_failure("stats_tree for: %s failed to attach to the tap: %s", cfg->name, error_string->str);
+		report_failure("stats_tree for: %s failed to attach to the tap: %s", cfg->name, error_string);
+		wmem_free(NULL, error_string);
 		return;
 	}
 
diff --git a/ui/cli/tap-sv.c b/ui/cli/tap-sv.c
index c7a43ef294..731fe42a67 100644
--- a/ui/cli/tap-sv.c
+++ b/ui/cli/tap-sv.c
@@ -56,7 +56,7 @@ sv_packet(void *prs _U_, packet_info *pinfo, epan_dissect_t *edt _U_, const void
 static void
 svstat_init(const char *opt_arg _U_, void *userdata _U_)
 {
-	GString	*error_string;
+	gchar	*error_string;
 
 	error_string = register_tap_listener(
 		"sv",
@@ -69,8 +69,8 @@ svstat_init(const char *opt_arg _U_, void *userdata _U_)
 	if (error_string) {
 		/* error, we failed to attach to the tap. clean up */
 		fprintf(stderr, "tshark: Couldn't register sv,stat tap: %s\n",
-				error_string->str);
-		g_string_free(error_string, TRUE);
+				error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }
diff --git a/ui/cli/tap-wspstat.c b/ui/cli/tap-wspstat.c
index b2a0ba46a8..f65280bbbe 100644
--- a/ui/cli/tap-wspstat.c
+++ b/ui/cli/tap-wspstat.c
@@ -216,7 +216,7 @@ wspstat_init(const char *opt_arg, void *userdata _U_)
 	wspstat_t          *sp;
 	const char         *filter = NULL;
 	guint32             i;
-	GString	           *error_string;
+	gchar	           *error_string;
 	wsp_status_code_t  *sc;
 	const value_string *wsp_vals_status_p;
 
@@ -272,8 +272,8 @@ wspstat_init(const char *opt_arg, void *userdata _U_)
 		g_hash_table_foreach( sp->hash, (GHFunc) wsp_free_hash_table, NULL ) ;
 		g_hash_table_destroy( sp->hash );
 		fprintf(stderr, "tshark: Couldn't register wsp,stat tap: %s\n",
-				error_string->str);
-		g_string_free(error_string, TRUE);
+				error_string);
+		wmem_free(NULL, error_string);
 		exit(1);
 	}
 }