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Cleanup value_fetch_lazy's comment and return value 

The comment for value_fetch_lazy seems outdated. It says that it's only
called from the value_contents and value_contents_all (macros!), which
is not true.  Also, the return value seems useless now, despite what the
comment says.

gdb/ChangeLog:

	* value.c (value_fetch_lazy): Update comment, change return
	value to void.
	* value.h (value_fetch_lazy): Change return value to void.
This commit is contained in:
Simon Marchi 2015-07-06 13:04:11 -04:00
parent f41cbf58f4
commit a844296a98
3 changed files with 12 additions and 13 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2015-07-06 Simon Marchi <simon.marchi@ericsson.com>
* value.c (value_fetch_lazy): Update comment, change return
value to void.
* value.h (value_fetch_lazy): Change return value to void.
2015-07-06 Andrew Burgess <andrew.burgess@embecosm.com>
* tui/tui-data.c (tui_partial_win_by_name): Window name is const.

17
gdb/value.c
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@ -3781,21 +3781,15 @@ value_initialized (struct value *val)
return val->initialized;
}
/* Called only from the value_contents and value_contents_all()
macros, if the current data for a variable needs to be loaded into
value_contents(VAL). Fetches the data from the user's process, and
clears the lazy flag to indicate that the data in the buffer is
valid.
/* Load the actual content of a lazy value. Fetch the data from the
user's process and clear the lazy flag to indicate that the data in
the buffer is valid.
If the value is zero-length, we avoid calling read_memory, which
would abort. We mark the value as fetched anyway -- all 0 bytes of
it.
it. */
This function returns a value because it is used in the
value_contents macro as part of an expression, where a void would
not work. The value is ignored. */
int
void
value_fetch_lazy (struct value *val)
{
gdb_assert (value_lazy (val));
@ -3947,7 +3941,6 @@ value_fetch_lazy (struct value *val)
internal_error (__FILE__, __LINE__, _("Unexpected lazy value type."));
set_value_lazy (val, 0);
return 0;
}
/* Implementation of the convenience function $_isvoid. */

2
gdb/value.h
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@ -361,7 +361,7 @@ extern const gdb_byte *value_contents_for_printing (struct value *value);
extern const gdb_byte *
value_contents_for_printing_const (const struct value *value);
extern int value_fetch_lazy (struct value *val);
extern void value_fetch_lazy (struct value *val);
/* If nonzero, this is the value of a variable which does not actually
exist in the program, at least partially. If the value is lazy,