Add support for auto_boolean (true, false or auto).
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@ -1,3 +1,15 @@
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Mon Jun 19 11:29:35 2000 Andrew Cagney <cagney@b1.cygnus.com>
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* command.h (add_set_auto_boolean_cmd): Add declaration.
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(enum var_types): Add var_auto_boolean.
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* command.c (add_set_auto_boolean_cmd): New function.
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(do_setshow_command):
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(parse_binary_operation): Recognize enable and disable.
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(parse_auto_binary_operation): Parse auto binary variables.
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* TODO: Update
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Fri Jun 23 16:20:21 2000 Andrew Cagney <cagney@b1.cygnus.com>
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* mips-tdep.c (fp_register_arg_p): New function.
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30
gdb/TODO
30
gdb/TODO
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@ -1121,6 +1121,36 @@ The way GDB throws errors and records them needs a re-think. ui_out
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handles the correct output well. It doesn't resolve what to do with
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output / error-messages when things go wrong.
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--
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do_setshow_command contains a 1024 byte buffer.
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The function assumes that there will never be any more than 1024 bytes
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of enum. It should use mem_file.
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--
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Should struct cmd_list_element . completer take the command as an
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argument?
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--
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Should the bulk of top.c:line_completion_function() be moved to
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command.[hc]? complete_on_cmdlist() and complete_on_enums() could
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then be made private.
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--
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top.c (execute_command): Should a command being valid when the target
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is running be made an attribute (predicate) to the command rather than
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an explicit set of tests.
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--
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top.c (execute_command): Should the bulk of this function be moved
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into command.[hc] so that top.c doesn't grub around in the command
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internals?
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--
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Architectural Change: Async
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@ -327,6 +327,25 @@ add_set_enum_cmd (char *name,
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return c;
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}
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/* Add element named NAME to command list LIST (the list for set
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or some sublist thereof).
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CLASS is as in add_cmd.
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VAR is address of the variable which will contain the value.
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DOC is the documentation string. */
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struct cmd_list_element *
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add_set_auto_boolean_cmd (char *name,
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enum command_class class,
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enum cmd_auto_boolean *var,
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char *doc,
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struct cmd_list_element **list)
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{
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static const char *auto_boolean_enums[] = { "on", "off", "auto", NULL };
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struct cmd_list_element *c;
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c = add_set_cmd (name, class, var_auto_boolean, var, doc, list);
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c->enums = auto_boolean_enums;
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return c;
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}
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/* Where SETCMD has already been added, add the corresponding show
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command to LIST and return a pointer to the added command (not
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necessarily the head of LIST). */
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@ -1530,6 +1549,32 @@ complete_on_enum (const char *enumlist[],
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return matchlist;
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}
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static enum cmd_auto_boolean
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parse_auto_binary_operation (const char *arg)
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{
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if (arg != NULL && *arg != '\0')
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{
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int length = strlen (arg);
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while (isspace (arg[length - 1]) && length > 0)
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length--;
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if (strncmp (arg, "on", length) == 0
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|| strncmp (arg, "1", length) == 0
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|| strncmp (arg, "yes", length) == 0
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|| strncmp (arg, "enable", length) == 0)
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return CMD_AUTO_BOOLEAN_TRUE;
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else if (strncmp (arg, "off", length) == 0
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|| strncmp (arg, "0", length) == 0
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|| strncmp (arg, "no", length) == 0
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|| strncmp (arg, "disable", length) == 0)
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return CMD_AUTO_BOOLEAN_FALSE;
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else if (strncmp (arg, "auto", length) == 0
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|| (strncmp (arg, "-1", length) == 0 && length > 1))
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return CMD_AUTO_BOOLEAN_AUTO;
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}
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error ("\"on\", \"off\" or \"auto\" expected.");
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return CMD_AUTO_BOOLEAN_AUTO; /* pacify GCC */
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}
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static int
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parse_binary_operation (arg)
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char *arg;
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@ -1544,13 +1589,15 @@ parse_binary_operation (arg)
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while (arg[length - 1] == ' ' || arg[length - 1] == '\t')
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length--;
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if (!strncmp (arg, "on", length)
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|| !strncmp (arg, "1", length)
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|| !strncmp (arg, "yes", length))
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if (strncmp (arg, "on", length) == 0
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|| strncmp (arg, "1", length) == 0
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|| strncmp (arg, "yes", length) == 0
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|| strncmp (arg, "enable", length) == 0)
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return 1;
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else if (!strncmp (arg, "off", length)
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|| !strncmp (arg, "0", length)
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|| !strncmp (arg, "no", length))
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else if (strncmp (arg, "off", length) == 0
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|| strncmp (arg, "0", length) == 0
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|| strncmp (arg, "no", length) == 0
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|| strncmp (arg, "disable", length) == 0)
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return 0;
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else
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{
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@ -1635,6 +1682,9 @@ do_setshow_command (arg, from_tty, c)
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case var_boolean:
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*(int *) c->var = parse_binary_operation (arg);
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break;
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case var_auto_boolean:
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*(enum cmd_auto_boolean *) c->var = parse_auto_binary_operation (arg);
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break;
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case var_uinteger:
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if (arg == NULL)
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error_no_arg ("integer to set it to.");
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@ -1760,6 +1810,23 @@ do_setshow_command (arg, from_tty, c)
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case var_boolean:
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fputs_filtered (*(int *) c->var ? "on" : "off", stb->stream);
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break;
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case var_auto_boolean:
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switch (*(enum auto_boolean*) c->var)
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{
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case CMD_AUTO_BOOLEAN_TRUE:
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fputs_filtered ("on", stb->stream);
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break;
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case CMD_AUTO_BOOLEAN_FALSE:
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fputs_filtered ("off", stb->stream);
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break;
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case CMD_AUTO_BOOLEAN_AUTO:
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fputs_filtered ("auto", stb->stream);
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break;
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default:
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internal_error ("do_setshow_command: invalid var_auto_boolean");
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break;
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}
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break;
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case var_uinteger:
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if (*(unsigned int *) c->var == UINT_MAX)
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{
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@ -1813,6 +1880,23 @@ do_setshow_command (arg, from_tty, c)
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case var_boolean:
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fputs_filtered (*(int *) c->var ? "on" : "off", gdb_stdout);
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break;
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case var_auto_boolean:
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switch (*(enum cmd_auto_boolean*) c->var)
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{
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case CMD_AUTO_BOOLEAN_TRUE:
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fputs_filtered ("on", gdb_stdout);
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break;
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case CMD_AUTO_BOOLEAN_FALSE:
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fputs_filtered ("off", gdb_stdout);
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break;
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case CMD_AUTO_BOOLEAN_AUTO:
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fputs_filtered ("auto", gdb_stdout);
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break;
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default:
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internal_error ("do_setshow_command: invalid var_auto_boolean");
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break;
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}
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break;
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case var_uinteger:
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if (*(unsigned int *) c->var == UINT_MAX)
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{
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@ -47,12 +47,28 @@ typedef enum cmd_types
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}
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cmd_types;
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/* Reasonable values for an AUTO_BOOLEAN variable. */
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enum cmd_auto_boolean
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{
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CMD_AUTO_BOOLEAN_TRUE,
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CMD_AUTO_BOOLEAN_FALSE,
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CMD_AUTO_BOOLEAN_AUTO
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};
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/* Types of "set" or "show" command. */
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typedef enum var_types
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{
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/* "on" or "off". *VAR is an integer which is nonzero for on,
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zero for off. */
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var_boolean,
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/* "on" / "true" / "enable" or "off" / "false" / "disable" or
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"auto. *VAR is an ``enum cmd_auto_boolean''. NOTE: In general
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a custom show command will need to be implemented - one that
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for "auto" prints both the "auto" and the current auto-selected
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value. */
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var_auto_boolean,
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/* Unsigned Integer. *VAR is an unsigned int. The user can type 0
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to mean "unlimited", which is stored in *VAR as UINT_MAX. */
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var_uinteger,
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@ -299,6 +315,12 @@ extern struct cmd_list_element *add_set_enum_cmd (char *name,
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char *doc,
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struct cmd_list_element **list);
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extern struct cmd_list_element *add_set_auto_boolean_cmd (char *name,
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enum command_class class,
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enum cmd_auto_boolean *var,
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char *doc,
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struct cmd_list_element **list);
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extern struct cmd_list_element *add_show_from_set (struct cmd_list_element *,
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struct cmd_list_element
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**);
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