* remote.c (register_remote_support_xml)

(remote_query_supported_append, remote_query_supported): Add cast
to NULL used as sentinel.
* tracepoint.c (tvariables_info_1): Likewise.
* utils.c (add_internal_problem_command): Likewise.

4 files changed, 20 insertions, 10 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 38ca84f..ece4fc0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,11 @@
+2010-05-04  Mark Kettenis  <kettenis@gnu.org>
+
+	* remote.c (register_remote_support_xml)
+	(remote_query_supported_append, remote_query_supported): Add cast
+	to NULL used as sentinel.
+	* tracepoint.c (tvariables_info_1): Likewise.
+	* utils.c (add_internal_problem_command): Likewise.
+
 2010-05-04  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 
 	* dwarf2loc.c (read_pieced_value, write_pieced_value,
diff --git a/gdb/remote.c b/gdb/remote.c
index d5f4894..34042fa 100644
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -3486,7 +3486,7 @@ register_remote_support_xml (const char *xml ATTRIBUTE_UNUSED)
 {
 #if defined(HAVE_LIBEXPAT)
   if (remote_support_xml == NULL)
-    remote_support_xml = concat ("xmlRegisters=", xml, NULL);
+    remote_support_xml = concat ("xmlRegisters=", xml, (char *) NULL);
   else
     {
       char *copy = xstrdup (remote_support_xml + 13);
@@ -3504,7 +3504,7 @@ register_remote_support_xml (const char *xml ATTRIBUTE_UNUSED)
       while ((p = strtok (NULL, ",")) != NULL);
       xfree (copy);
 
-      p = concat (remote_support_xml, ",", xml, NULL);
+      p = concat (remote_support_xml, ",", xml, (char *) NULL);
       xfree (remote_support_xml);
       remote_support_xml = p;
     }
@@ -3516,7 +3516,7 @@ remote_query_supported_append (char *msg, const char *append)
 {
   if (msg)
     {
-      char *p = concat (msg, ";", append, NULL);
+      char *p = concat (msg, ";", append, (char *) NULL);
       xfree (msg);
       return p;
     }
@@ -3556,7 +3556,7 @@ remote_query_supported (void)
 
       if (q)
 	{
-	  char *p = concat ("qSupported:", q, NULL);
+	  char *p = concat ("qSupported:", q, (char *) NULL);
 	  xfree (q);
 	  putpkt (p);
 	  xfree (p);
diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c
index 1e0feec..d62f660 100644
--- a/gdb/tracepoint.c
+++ b/gdb/tracepoint.c
@@ -446,7 +446,7 @@ tvariables_info_1 (void)
 
       back_to2 = make_cleanup_ui_out_tuple_begin_end (uiout, "variable");
 
-      name = concat ("$", tsv->name, NULL);
+      name = concat ("$", tsv->name, (char *) NULL);
       make_cleanup (xfree, name);
       ui_out_field_string (uiout, "name", name);
       ui_out_field_string (uiout, "initial", plongest (tsv->initial_value));
@@ -3171,7 +3171,7 @@ tfile_open (char *filename, int from_tty)
   filename = tilde_expand (filename);
   if (!IS_ABSOLUTE_PATH(filename))
     {
-      temp = concat (current_directory, "/", filename, (char *)NULL);
+      temp = concat (current_directory, "/", filename, (char *) NULL);
       xfree (filename);
       filename = temp;
     }
diff --git a/gdb/utils.c b/gdb/utils.c
index b4b85b1..875faaf 100644
--- a/gdb/utils.c
+++ b/gdb/utils.c
@@ -1120,13 +1120,15 @@ add_internal_problem_command (struct internal_problem *problem)
   add_prefix_cmd ((char*) problem->name,
 		  class_maintenance, set_internal_problem_cmd, set_doc,
 		  set_cmd_list,
-		  concat ("maintenance set ", problem->name, " ", NULL),
+		  concat ("maintenance set ", problem->name, " ",
+			  (char *) NULL),
 		  0/*allow-unknown*/, &maintenance_set_cmdlist);
 
   add_prefix_cmd ((char*) problem->name,
 		  class_maintenance, show_internal_problem_cmd, show_doc,
 		  show_cmd_list,
-		  concat ("maintenance show ", problem->name, " ", NULL),
+		  concat ("maintenance show ", problem->name, " ",
+			  (char *) NULL),
 		  0/*allow-unknown*/, &maintenance_show_cmdlist);
 
   set_doc = xstrprintf (_("\
@@ -3346,9 +3348,9 @@ xfullpath (const char *filename)
      directory separator, avoid doubling it.  */
   real_path = gdb_realpath (dir_name);
   if (IS_DIR_SEPARATOR (real_path[strlen (real_path) - 1]))
-    result = concat (real_path, base_name, (char *)NULL);
+    result = concat (real_path, base_name, (char *) NULL);
   else
-    result = concat (real_path, SLASH_STRING, base_name, (char *)NULL);
+    result = concat (real_path, SLASH_STRING, base_name, (char *) NULL);
 
   xfree (real_path);
   return result;