/* MI Command Set - environment commands.
-
- Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2002-2019 Free Software Foundation, Inc.
Contributed by Red Hat Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "inferior.h"
#include "mi-getopt.h"
#include "symtab.h"
#include "target.h"
-#include "environ.h"
+#include "gdbsupport/environ.h"
#include "command.h"
#include "ui-out.h"
#include "top.h"
-
-#include "gdb_string.h"
-#include "gdb_stat.h"
-
-static void env_mod_path (char *dirname, char **which_path);
-extern void _initialize_mi_cmd_env (void);
+#include <sys/stat.h>
+#include "source.h"
static const char path_var_name[] = "PATH";
static char *orig_path = NULL;
/* The following is copied from mi-main.c so for m1 and below we can
perform old behavior and use cli commands. If ARGS is non-null,
append it to the CMD. */
+
static void
env_execute_cli_command (const char *cmd, const char *args)
{
if (cmd != 0)
{
- struct cleanup *old_cleanups;
- char *run;
+ gdb::unique_xmalloc_ptr<char> run;
+
if (args != NULL)
- run = xstrprintf ("%s %s", cmd, args);
+ run.reset (xstrprintf ("%s %s", cmd, args));
else
- run = xstrdup (cmd);
- old_cleanups = make_cleanup (xfree, run);
- execute_command ( /*ui */ run, 0 /*from_tty */ );
- do_cleanups (old_cleanups);
- return;
+ run.reset (xstrdup (cmd));
+ execute_command ( /*ui */ run.get (), 0 /*from_tty */ );
}
}
-
/* Print working directory. */
-enum mi_cmd_result
-mi_cmd_env_pwd (char *command, char **argv, int argc)
+
+void
+mi_cmd_env_pwd (const char *command, char **argv, int argc)
{
+ struct ui_out *uiout = current_uiout;
+
if (argc > 0)
- error (_("mi_cmd_env_pwd: No arguments required"));
+ error (_("-environment-pwd: No arguments allowed"));
if (mi_version (uiout) < 2)
{
env_execute_cli_command ("pwd", NULL);
- return MI_CMD_DONE;
+ return;
}
/* Otherwise the mi level is 2 or higher. */
- getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
- ui_out_field_string (uiout, "cwd", gdb_dirbuf);
+ gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0));
+ if (cwd == NULL)
+ error (_("-environment-pwd: error finding name of working directory: %s"),
+ safe_strerror (errno));
- return MI_CMD_DONE;
+ uiout->field_string ("cwd", cwd.get ());
}
/* Change working directory. */
-enum mi_cmd_result
-mi_cmd_env_cd (char *command, char **argv, int argc)
+
+void
+mi_cmd_env_cd (const char *command, char **argv, int argc)
{
if (argc == 0 || argc > 1)
- error (_("mi_cmd_env_cd: Usage DIRECTORY"));
+ error (_("-environment-cd: Usage DIRECTORY"));
env_execute_cli_command ("cd", argv[0]);
-
- return MI_CMD_DONE;
}
static void
-env_mod_path (char *dirname, char **which_path)
+env_mod_path (const char *dirname, char **which_path)
{
if (dirname == 0 || dirname[0] == '\0')
return;
}
/* Add one or more directories to start of executable search path. */
-enum mi_cmd_result
-mi_cmd_env_path (char *command, char **argv, int argc)
+
+void
+mi_cmd_env_path (const char *command, char **argv, int argc)
{
+ struct ui_out *uiout = current_uiout;
char *exec_path;
- char *env;
+ const char *env;
int reset = 0;
- int optind = 0;
+ int oind = 0;
int i;
- char *optarg;
+ char *oarg;
enum opt
{
RESET_OPT
};
- static struct mi_opt opts[] =
+ static const struct mi_opt opts[] =
{
{"r", RESET_OPT, 0},
{ 0, 0, 0 }
{
for (i = argc - 1; i >= 0; --i)
env_execute_cli_command ("path", argv[i]);
- return MI_CMD_DONE;
+ return;
}
/* Otherwise the mi level is 2 or higher. */
while (1)
{
- int opt = mi_getopt ("mi_cmd_env_path", argc, argv, opts,
- &optind, &optarg);
+ int opt = mi_getopt ("-environment-path", argc, argv, opts,
+ &oind, &oarg);
+
if (opt < 0)
break;
switch ((enum opt) opt)
break;
}
}
- argv += optind;
- argc -= optind;
+ argv += oind;
+ argc -= oind;
if (reset)
else
{
/* Otherwise, get current path to modify. */
- env = get_in_environ (inferior_environ, path_var_name);
+ env = current_inferior ()->environment.get (path_var_name);
/* Can be null if path is not set. */
if (!env)
for (i = argc - 1; i >= 0; --i)
env_mod_path (argv[i], &exec_path);
- set_in_environ (inferior_environ, path_var_name, exec_path);
+ current_inferior ()->environment.set (path_var_name, exec_path);
xfree (exec_path);
- env = get_in_environ (inferior_environ, path_var_name);
- ui_out_field_string (uiout, "path", env);
-
- return MI_CMD_DONE;
+ env = current_inferior ()->environment.get (path_var_name);
+ uiout->field_string ("path", env);
}
/* Add zero or more directories to the front of the source path. */
-enum mi_cmd_result
-mi_cmd_env_dir (char *command, char **argv, int argc)
+
+void
+mi_cmd_env_dir (const char *command, char **argv, int argc)
{
+ struct ui_out *uiout = current_uiout;
int i;
- int optind = 0;
+ int oind = 0;
int reset = 0;
- char *optarg;
+ char *oarg;
enum opt
{
RESET_OPT
};
- static struct mi_opt opts[] =
+ static const struct mi_opt opts[] =
{
{"r", RESET_OPT, 0},
{ 0, 0, 0 }
{
for (i = argc - 1; i >= 0; --i)
env_execute_cli_command ("dir", argv[i]);
- return MI_CMD_DONE;
+ return;
}
/* Otherwise mi level is 2 or higher. */
while (1)
{
- int opt = mi_getopt ("mi_cmd_env_dir", argc, argv, opts,
- &optind, &optarg);
+ int opt = mi_getopt ("-environment-directory", argc, argv, opts,
+ &oind, &oarg);
+
if (opt < 0)
break;
switch ((enum opt) opt)
break;
}
}
- argv += optind;
- argc -= optind;
+ argv += oind;
+ argc -= oind;
if (reset)
{
for (i = argc - 1; i >= 0; --i)
env_mod_path (argv[i], &source_path);
- init_last_source_visited ();
- ui_out_field_string (uiout, "source-path", source_path);
+ uiout->field_string ("source-path", source_path);
forget_cached_source_info ();
-
- return MI_CMD_DONE;
}
/* Set the inferior terminal device name. */
-enum mi_cmd_result
-mi_cmd_inferior_tty_set (char *command, char **argv, int argc)
+
+void
+mi_cmd_inferior_tty_set (const char *command, char **argv, int argc)
{
set_inferior_io_terminal (argv[0]);
-
- return MI_CMD_DONE;
}
-/* Print the inferior terminal device name */
-enum mi_cmd_result
-mi_cmd_inferior_tty_show (char *command, char **argv, int argc)
+/* Print the inferior terminal device name. */
+
+void
+mi_cmd_inferior_tty_show (const char *command, char **argv, int argc)
{
const char *inferior_io_terminal = get_inferior_io_terminal ();
- if ( !mi_valid_noargs ("mi_cmd_inferior_tty_show", argc, argv))
- error (_("mi_cmd_inferior_tty_show: Usage: No args"));
+ if ( !mi_valid_noargs ("-inferior-tty-show", argc, argv))
+ error (_("-inferior-tty-show: Usage: No args"));
if (inferior_io_terminal)
- ui_out_field_string (uiout, "inferior_tty_terminal", inferior_io_terminal);
-
- return MI_CMD_DONE;
+ current_uiout->field_string ("inferior_tty_terminal", inferior_io_terminal);
}
void
_initialize_mi_cmd_env (void)
{
- char *env;
-
- /* We want original execution path to reset to, if desired later. */
- env = get_in_environ (inferior_environ, path_var_name);
+ const char *env;
+
+ /* We want original execution path to reset to, if desired later.
+ At this point, current inferior is not created, so cannot use
+ current_inferior ()->environment. We use getenv here because it
+ is not necessary to create a whole new gdb_environ just for one
+ variable. */
+ env = getenv (path_var_name);
/* Can be null if path is not set. */
if (!env)