From: Simon Marchi <simon.marchi@ericsson.com>
To: Tom Tromey <tom@tromey.com>, <gdb-patches@sourceware.org>
Subject: Re: [RFA 2/6] Remove some cleanups from probe.c
Date: Mon, 16 Oct 2017 20:26:00 -0000 [thread overview]
Message-ID: <7e541128-e6bf-142d-c145-65774a80421a@ericsson.com> (raw)
In-Reply-To: <20171016030427.21349-3-tom@tromey.com>
On 2017-10-15 11:04 PM, Tom Tromey wrote:
> This removes some cleanups from parse_probes by using std::string; and
> removes some unnecessary cleanups from elsewhere in probe.c.
>
> ChangeLog
> 2017-10-15 Tom Tromey <tom@tromey.com>
>
> * probe.c (parse_probes): Use std::string.
> (info_probes_for_ops, enable_probes_command)
> (disable_probes_command): Remove cleanups.
> ---
> gdb/ChangeLog | 6 ++++++
> gdb/probe.c | 24 ++++--------------------
> 2 files changed, 10 insertions(+), 20 deletions(-)
>
> diff --git a/gdb/probe.c b/gdb/probe.c
> index b3dbf896b9..e5a09211cb 100644
> --- a/gdb/probe.c
> +++ b/gdb/probe.c
> @@ -98,7 +98,6 @@ parse_probes (const struct event_location *location,
> {
> char *arg_end, *arg;
> char *objfile_namestr = NULL, *provider = NULL, *name, *p;
> - struct cleanup *cleanup;
> const struct probe_ops *probe_ops;
> const char *arg_start, *cs;
>
> @@ -118,8 +117,8 @@ parse_probes (const struct event_location *location,
> arg_end = skip_to_space (arg);
>
> /* We make a copy here so we can write over parts with impunity. */
> - arg = savestring (arg, arg_end - arg);
> - cleanup = make_cleanup (xfree, arg);
> + std::string copy (arg, arg_end - arg);
> + arg = ©[0];
>
> /* Extract each word from the argument, separated by ":"s. */
> p = strchr (arg, ':');
> @@ -183,17 +182,12 @@ parse_probes (const struct event_location *location,
>
> if (canonical)
> {
> - char *canon;
> -
> - canon = savestring (arg_start, arg_end - arg_start);
> - make_cleanup (xfree, canon);
> + std::string canon (arg_start, arg_end - arg_start);
> canonical->special_display = 1;
> canonical->pre_expanded = 1;
> - canonical->location = new_probe_location (canon);
> + canonical->location = new_probe_location (canon.c_str ());
> }
>
> - do_cleanups (cleanup);
> -
> return result;
> }
>
> @@ -548,7 +542,6 @@ info_probes_for_ops (const char *arg, int from_tty,
> const struct probe_ops *pops)
> {
> std::string provider, probe_name, objname;
> - struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
> int any_found;
> int ui_out_extra_fields = 0;
> size_t size_addr;
> @@ -657,7 +650,6 @@ info_probes_for_ops (const char *arg, int from_tty,
>
> any_found = !probes.empty ();
> }
> - do_cleanups (cleanup);
>
> if (!any_found)
> current_uiout->message (_("No probes matched.\n"));
> @@ -677,7 +669,6 @@ static void
> enable_probes_command (const char *arg, int from_tty)
> {
> std::string provider, probe_name, objname;
> - struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
>
> parse_probe_linespec ((const char *) arg, &provider, &probe_name, &objname);
>
> @@ -686,7 +677,6 @@ enable_probes_command (const char *arg, int from_tty)
> if (probes.empty ())
> {
> current_uiout->message (_("No probes matched.\n"));
> - do_cleanups (cleanup);
> return;
> }
>
> @@ -706,8 +696,6 @@ enable_probes_command (const char *arg, int from_tty)
> current_uiout->message (_("Probe %s:%s cannot be enabled.\n"),
> probe.probe->provider, probe.probe->name);
> }
> -
> - do_cleanups (cleanup);
> }
>
> /* Implementation of the `disable probes' command. */
> @@ -716,7 +704,6 @@ static void
> disable_probes_command (const char *arg, int from_tty)
> {
> std::string provider, probe_name, objname;
> - struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
>
> parse_probe_linespec ((const char *) arg, &provider, &probe_name, &objname);
>
> @@ -725,7 +712,6 @@ disable_probes_command (const char *arg, int from_tty)
> if (probes.empty ())
> {
> current_uiout->message (_("No probes matched.\n"));
> - do_cleanups (cleanup);
> return;
> }
>
> @@ -745,8 +731,6 @@ disable_probes_command (const char *arg, int from_tty)
> current_uiout->message (_("Probe %s:%s cannot be disabled.\n"),
> probe.probe->provider, probe.probe->name);
> }
> -
> - do_cleanups (cleanup);
> }
>
> /* See comments in probe.h. */
>
LGTM.
next prev parent reply other threads:[~2017-10-16 20:26 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-16 3:04 [RFA 0/6] more cleanup removals Tom Tromey
2017-10-16 3:04 ` [RFA 1/6] Use std::vector in end_symtab_get_static_block Tom Tromey
2017-10-16 20:18 ` Simon Marchi
2017-10-16 21:59 ` Tom Tromey
2017-10-20 15:33 ` Ulrich Weigand
2017-10-20 16:47 ` Pedro Alves
2017-10-23 16:16 ` Ulrich Weigand
2017-10-24 13:55 ` Tom Tromey
2017-10-24 14:41 ` [pushed] " Ulrich Weigand
2017-10-16 3:04 ` [RFA 3/6] Remove cleanup from ppc-linux-nat.c Tom Tromey
2017-10-16 20:28 ` Simon Marchi
2017-10-16 3:04 ` [RFA 6/6] Return unique_xmalloc_ptr from target_fileio_read_stralloc Tom Tromey
2017-10-16 21:07 ` Simon Marchi
2017-10-16 3:04 ` [RFA 2/6] Remove some cleanups from probe.c Tom Tromey
2017-10-16 20:26 ` Simon Marchi [this message]
2017-10-16 3:04 ` [RFA 5/6] Return unique_xmalloc_ptr from target_read_stralloc Tom Tromey
2017-10-16 21:02 ` Simon Marchi
2017-10-16 3:04 ` [RFA 4/6] Simple cleanup removals in remote.c Tom Tromey
2017-10-16 20:43 ` Simon Marchi
2017-10-16 21:14 ` Tom Tromey
2017-10-16 21:37 ` Simon Marchi
2017-10-16 21:50 ` Tom Tromey
2017-10-16 22:35 ` Pedro Alves
2017-10-16 23:00 ` Tom Tromey
2017-10-16 23:34 ` [PATCH 1/2] Introduce string_appendf/string_vappendf (Re: [RFA 4/6] Simple cleanup removals in remote.c) Pedro Alves
2017-10-19 3:11 ` Simon Marchi
2017-10-19 3:13 ` Simon Marchi
2017-10-30 0:16 ` Simon Marchi
2017-10-30 11:48 ` Pedro Alves
2017-10-16 23:38 ` [PATCH 2/2] remote.c, QCatchSyscalls: Build std::string instead of unique_xmalloc_ptr " Pedro Alves
2017-10-19 3:17 ` Simon Marchi
2017-10-30 11:49 ` Pedro Alves
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