Style "pwd" output

This changes the "pwd" command to style its output.

gdb/ChangeLog
2019-10-01  Tom Tromey  <tom@tromey.com>

	* cli/cli-cmds.c (pwd_command): Style output.

gdb/testsuite/ChangeLog
2019-10-01  Tom Tromey  <tom@tromey.com>

	* gdb.base/style.exp: Test "pwd".

gdb/ChangeLog

@@ -1,3 +1,7 @@
+2019-10-01  Tom Tromey  <tom@tromey.com>
+
+	* cli/cli-cmds.c (pwd_command): Style output.
+
 2019-10-01  Pedro Alves  <palves@redhat.com>
 	    Tom Tromey  <tom@tromey.com>
 

gdb/cli/cli-cmds.c

@@ -49,6 +49,7 @@
 #include "cli/cli-script.h"
 #include "cli/cli-setshow.h"
 #include "cli/cli-cmds.h"
+#include "cli/cli-style.h"
 #include "cli/cli-utils.h"
 
 #include "extension.h"
@@ -451,10 +452,14 @@ pwd_command (const char *args, int from_tty)
            safe_strerror (errno));
 
   if (strcmp (cwd.get (), current_directory) != 0)
-    printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
+    printf_unfiltered (_("Working directory %ps\n (canonically %ps).\n"),
-		       current_directory, cwd.get ());
+		       styled_string (file_name_style.style (),
+				      current_directory),
+		       styled_string (file_name_style.style (), cwd.get ()));
   else
-    printf_unfiltered (_("Working directory %s.\n"), current_directory);
+    printf_unfiltered (_("Working directory %ps.\n"),
+		       styled_string (file_name_style.style (),
+				      current_directory));
 }
 
 void

gdb/testsuite/ChangeLog

@@ -1,3 +1,7 @@
+2019-10-01  Tom Tromey  <tom@tromey.com>
+
+	* gdb.base/style.exp: Test "pwd".
+
 2019-10-01  Tom Tromey  <tom@tromey.com>
 
 	* gdb.base/style.exp: Update tests.

gdb/testsuite/gdb.base/style.exp

@@ -131,4 +131,6 @@ save_vars { env(TERM) } {
     gdb_test "file $binfile" \
 	"Reading symbols from [style $quoted file]..." \
 	"filename is styled when loading symbol file"
+
+    gdb_test "pwd" "Working directory [style .*? file].*"
 }