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-rw-r--r--gdb/cli/cli-setshow.c83
-rw-r--r--gdb/command.h6
2 files changed, 18 insertions, 71 deletions
diff --git a/gdb/cli/cli-setshow.c b/gdb/cli/cli-setshow.c
index 0f87b92286f..f06c92731e0 100644
--- a/gdb/cli/cli-setshow.c
+++ b/gdb/cli/cli-setshow.c
@@ -360,26 +360,12 @@ do_set_command (const char *arg, int from_tty, struct cmd_list_element *c)
*q++ = '\0';
newobj = (char *) xrealloc (newobj, q - newobj);
- const std::string cur_val = c->var->get<std::string> ();
- if (cur_val != std::string (newobj))
- {
- c->var->set<std::string> (std::string (newobj));
-
- option_changed = true;
- }
+ option_changed = c->var->set<std::string> (std::string (newobj));
xfree (newobj);
}
break;
case var_string_noescape:
- {
- const std::string cur_val = c->var->get<std::string> ();
- if (cur_val != arg)
- {
- c->var->set<std::string> (std::string (arg));
-
- option_changed = true;
- }
- }
+ option_changed = c->var->set<std::string> (std::string (arg));
break;
case var_filename:
if (*arg == '\0')
@@ -405,13 +391,8 @@ do_set_command (const char *arg, int from_tty, struct cmd_list_element *c)
else
val = xstrdup ("");
- const std::string cur_val = c->var->get<std::string> ();
- if (cur_val != std::string (val))
- {
- c->var->set<std::string> (std::string (val));
-
- option_changed = true;
- }
+ option_changed
+ = c->var->set<std::string> (std::string (val));
xfree (val);
}
break;
@@ -421,39 +402,18 @@ do_set_command (const char *arg, int from_tty, struct cmd_list_element *c)
if (val < 0)
error (_("\"on\" or \"off\" expected."));
- if (val != c->var->get<bool> ())
- {
- c->var->set<bool> (val);
- option_changed = true;
- }
+ option_changed = c->var->set<bool> (val);
}
break;
case var_auto_boolean:
- {
- enum auto_boolean val = parse_auto_binary_operation (arg);
-
- if (c->var->get<enum auto_boolean> () != val)
- {
- c->var->set<enum auto_boolean> (val);
-
- option_changed = true;
- }
- }
+ option_changed = c->var->set<enum auto_boolean> (parse_auto_binary_operation (arg));
break;
case var_uinteger:
case var_zuinteger:
- {
- unsigned int val
- = parse_cli_var_uinteger (c->var->type (), &arg, true);
-
- if (c->var->get<unsigned int> () != val)
- {
- c->var->set<unsigned int> (val);
-
- option_changed = true;
- }
- }
+ option_changed
+ = c->var->set<unsigned int> (parse_cli_var_uinteger (c->var->type (),
+ &arg, true));
break;
case var_integer:
case var_zinteger:
@@ -483,12 +443,7 @@ do_set_command (const char *arg, int from_tty, struct cmd_list_element *c)
|| (c->var->type () == var_zinteger && val > INT_MAX))
error (_("integer %s out of range"), plongest (val));
- if (c->var->get<int> () != val)
- {
- c->var->set<int> (val);
-
- option_changed = true;
- }
+ option_changed = c->var->set<int> (val);
}
break;
case var_enum:
@@ -501,24 +456,12 @@ do_set_command (const char *arg, int from_tty, struct cmd_list_element *c)
if (*after != '\0')
error (_("Junk after item \"%.*s\": %s"), len, arg, after);
- if (c->var->get<const char *> () != match)
- {
- c->var->set<const char *> (match);
-
- option_changed = true;
- }
+ option_changed = c->var->set<const char *> (match);
}
break;
case var_zuinteger_unlimited:
- {
- int val = parse_cli_var_zuinteger_unlimited (&arg, true);
-
- if (c->var->get<int> () != val)
- {
- c->var->set<int> (val);
- option_changed = true;
- }
- }
+ option_changed = c->var->set<int>
+ (parse_cli_var_zuinteger_unlimited (&arg, true));
break;
default:
error (_("gdb internal error: bad var_type in do_setshow_command"));
diff --git a/gdb/command.h b/gdb/command.h
index 12626298fda..2c21e68a65d 100644
--- a/gdb/command.h
+++ b/gdb/command.h
@@ -286,12 +286,14 @@ struct setting
The var_type of the setting must match T. */
template<typename T>
- void set (T v)
+ bool set (T v)
{
/* Check that the current instance is of one of the supported types for
this instantiation. */
gdb_assert (var_type_uses<T> (this->m_var_type));
+ const T old_value = this->get<T> ();
+
if (m_setter != nullptr)
{
auto setter = reinterpret_cast<setting_setter_ftype<T>> (m_setter);
@@ -302,6 +304,8 @@ struct setting
gdb_assert (this->m_var != nullptr);
*static_cast<T *> (this->m_var) = v;
}
+
+ return old_value != this->get<T> ();
}
protected: