Replace do_restore_instream_cleanup with scoped_restore

[deliverable/binutils-gdb.git] / gdb / top.c

diff --git a/gdb/top.c b/gdb/top.c
index 4a22be135ab58caa28f19749c53c1dac5f96fb14..6b00c6e7c2cee0e9cd3441af65ac91e5b3bca415 100644 (file)
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -35,6 +35,7 @@
 #include "value.h"
 #include "language.h"
 #include "terminal.h"          /* For job_control.  */
+#include "job-control.h"
 #include "annotate.h"
 #include "completer.h"
 #include "top.h"
@@ -128,10 +129,6 @@ show_confirm (struct ui_file *file, int from_tty,
                    value);
 }
 
-/* Flag to indicate whether a user defined command is currently running.  */
-
-int in_user_command;
-
 /* Current working directory.  */
 
 char *current_directory;
@@ -218,7 +215,7 @@ void (*deprecated_warning_hook) (const char *, va_list);
    called to notify the GUI that we are done with the interaction
    window and it can close it.  */
 
-void (*deprecated_readline_begin_hook) (char *, ...);
+void (*deprecated_readline_begin_hook) (const char *, ...);
 char *(*deprecated_readline_hook) (const char *);
 void (*deprecated_readline_end_hook) (void);
 
@@ -345,16 +342,16 @@ make_delete_ui_cleanup (struct ui *ui)
 /* Open file named NAME for read/write, making sure not to make it the
    controlling terminal.  */
 
-static FILE *
+static gdb_file_up
 open_terminal_stream (const char *name)
 {
   int fd;
 
-  fd = open (name, O_RDWR | O_NOCTTY);
+  fd = gdb_open_cloexec (name, O_RDWR | O_NOCTTY, 0);
   if (fd < 0)
     perror_with_name  (_("opening terminal failed"));
 
-  return fdopen (fd, "w+");
+  return gdb_file_up (fdopen (fd, "w+"));
 }
 
 /* Implementation of the "new-ui" command.  */
@@ -364,7 +361,7 @@ new_ui_command (char *args, int from_tty)
 {
   struct ui *ui;
   struct interp *interp;
-  FILE *stream[3] = { NULL, NULL, NULL };
+  gdb_file_up stream[3];
   int i;
   int res;
   int argc;
@@ -389,18 +386,13 @@ new_ui_command (char *args, int from_tty)
   {
     scoped_restore save_ui = make_scoped_restore (&current_ui);
 
-    failure_chain = make_cleanup (null_cleanup, NULL);
-
     /* Open specified terminal, once for each of
        stdin/stdout/stderr.  */
     for (i = 0; i < 3; i++)
-      {
-       stream[i] = open_terminal_stream (tty_name);
-       make_cleanup_fclose (stream[i]);
-      }
+      stream[i] = open_terminal_stream (tty_name);
 
-    ui = new_ui (stream[0], stream[1], stream[2]);
-    make_cleanup (delete_ui_cleanup, ui);
+    ui = new_ui (stream[0].get (), stream[1].get (), stream[2].get ());
+    failure_chain = make_cleanup (delete_ui_cleanup, ui);
 
     ui->async = 1;
 
@@ -410,6 +402,11 @@ new_ui_command (char *args, int from_tty)
 
     interp_pre_command_loop (top_level_interpreter ());
 
+    /* Make sure the files are not closed.  */
+    stream[0].release ();
+    stream[1].release ();
+    stream[2].release ();
+
     discard_cleanups (failure_chain);
 
     /* This restores the previous UI and frees argv.  */
@@ -447,27 +444,14 @@ quit_cover (void)
    event-top.c into this file, top.c.  */
 /* static */ const char *source_file_name;
 
-/* Clean up on error during a "source" command (or execution of a
-   user-defined command).  */
-
-void
-do_restore_instream_cleanup (void *stream)
-{
-  struct ui *ui = current_ui;
-
-  /* Restore the previous input stream.  */
-  ui->instream = (FILE *) stream;
-}
-
 /* Read commands from STREAM.  */
 void
 read_command_file (FILE *stream)
 {
   struct ui *ui = current_ui;
-  struct cleanup *cleanups;
 
-  cleanups = make_cleanup (do_restore_instream_cleanup, ui->instream);
-  ui->instream = stream;
+  scoped_restore save_instream
+    = make_scoped_restore (&ui->instream, stream);
 
   /* Read commands from `instream' and execute them until end of file
      or error reading instream.  */
@@ -482,8 +466,6 @@ read_command_file (FILE *stream)
        break;
       command_handler (command);
     }
-
-  do_cleanups (cleanups);
 }
 \f
 void (*pre_init_ui_hook) (void);
@@ -1216,7 +1198,8 @@ gdb_safe_append_history (void)
    as the user has requested.  */
 
 char *
-command_line_input (const char *prompt_arg, int repeat, char *annotation_suffix)
+command_line_input (const char *prompt_arg, int repeat,
+                   const char *annotation_suffix)
 {
   static struct buffer cmd_line_buffer;
   static int cmd_line_buffer_initialized;
@@ -2021,7 +2004,7 @@ init_main (void)
 
   /* Setup important stuff for command line editing.  */
   rl_completion_word_break_hook = gdb_completion_word_break_characters;
-  rl_completion_entry_function = readline_line_completion_function;
+  rl_attempted_completion_function = gdb_rl_attempted_completion_function;
   set_rl_completer_word_break_characters (default_word_break_characters ());
   rl_completer_quote_characters = get_gdb_completer_quote_characters ();
   rl_completion_display_matches_hook = cli_display_match_list;