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[FYI] Remove more unnecessary casts of NULL
- From: Tom Tromey <tom at tromey dot com>
- To: gdb-patches at sourceware dot org
- Cc: Tom Tromey <tom at tromey dot com>
- Date: Sun, 16 Jun 2019 13:50:25 -0600
- Subject: [FYI] Remove more unnecessary casts of NULL
I found a few more spots that unnecessarily cast NULL to a pointer
type. My earlier search included a "*" in the cast, but these use a
typedef to a pointer type instead. This patch removes these casts.
gdb/ChangeLog
2019-06-16 Tom Tromey <tom@tromey.com>
* tui/tui-data.c (tui_clear_win_detail, init_win_info)
(tui_free_window, free_content, free_content_elements): Remove
unnecessary cast.
* tui/tui-windata.c (tui_display_all_data): Remove unnecessary
cast.
* tui/tui-regs.c (tui_show_register_group)
(tui_display_registers_from, tui_display_reg_element_at_line):
Remove unnecessary cast.
---
gdb/ChangeLog | 11 +++++++++++
gdb/tui/tui-data.c | 20 ++++++++------------
gdb/tui/tui-regs.c | 7 +++----
gdb/tui/tui-windata.c | 5 ++---
4 files changed, 24 insertions(+), 19 deletions(-)
diff --git a/gdb/tui/tui-data.c b/gdb/tui/tui-data.c
index 35eae4f998a..2df9cbcd07b 100644
--- a/gdb/tui/tui-data.c
+++ b/gdb/tui/tui-data.c
@@ -198,11 +198,9 @@ tui_clear_win_detail (struct tui_win_info *win_info)
wmove (win_info->generic.handle, 0, 0);
break;
case DATA_WIN:
- win_info->detail.data_display_info.data_content =
- (tui_win_content) NULL;
+ win_info->detail.data_display_info.data_content = NULL;
win_info->detail.data_display_info.data_content_count = 0;
- win_info->detail.data_display_info.regs_content =
- (tui_win_content) NULL;
+ win_info->detail.data_display_info.regs_content = NULL;
win_info->detail.data_display_info.regs_content_count = 0;
win_info->detail.data_display_info.regs_column_count = 1;
win_info->detail.data_display_info.display_regs = FALSE;
@@ -516,9 +514,9 @@ init_win_info (struct tui_win_info *win_info)
win_info->detail.source_info.fullname = NULL;
break;
case DATA_WIN:
- win_info->detail.data_display_info.data_content = (tui_win_content) NULL;
+ win_info->detail.data_display_info.data_content = NULL;
win_info->detail.data_display_info.data_content_count = 0;
- win_info->detail.data_display_info.regs_content = (tui_win_content) NULL;
+ win_info->detail.data_display_info.regs_content = NULL;
win_info->detail.data_display_info.regs_content_count = 0;
win_info->detail.data_display_info.regs_column_count = 1;
win_info->detail.data_display_info.display_regs = FALSE;
@@ -686,13 +684,11 @@ tui_free_window (struct tui_win_info *win_info)
{
tui_free_data_content (win_info->detail.data_display_info.regs_content,
win_info->detail.data_display_info.regs_content_count);
- win_info->detail.data_display_info.regs_content =
- (tui_win_content) NULL;
+ win_info->detail.data_display_info.regs_content = NULL;
win_info->detail.data_display_info.regs_content_count = 0;
tui_free_data_content (win_info->detail.data_display_info.data_content,
win_info->detail.data_display_info.data_content_count);
- win_info->detail.data_display_info.data_content =
- (tui_win_content) NULL;
+ win_info->detail.data_display_info.data_content = NULL;
win_info->detail.data_display_info.data_content_count = 0;
win_info->detail.data_display_info.regs_column_count = 1;
win_info->detail.data_display_info.display_regs = FALSE;
@@ -808,7 +804,7 @@ free_content (tui_win_content content,
int content_size,
enum tui_win_type win_type)
{
- if (content != (tui_win_content) NULL)
+ if (content != NULL)
{
free_content_elements (content, content_size, win_type);
xfree (content);
@@ -823,7 +819,7 @@ free_content_elements (tui_win_content content,
int content_size,
enum tui_win_type type)
{
- if (content != (tui_win_content) NULL)
+ if (content != NULL)
{
int i;
diff --git a/gdb/tui/tui-regs.c b/gdb/tui/tui-regs.c
index dcfc433407c..b3456113369 100644
--- a/gdb/tui/tui-regs.c
+++ b/gdb/tui/tui-regs.c
@@ -237,7 +237,7 @@ tui_show_register_group (struct reggroup *group,
refresh_values_only = FALSE;
}
- if (display_info->regs_content != (tui_win_content) NULL)
+ if (display_info->regs_content != NULL)
{
if (!refresh_values_only || allocated_here)
{
@@ -299,7 +299,7 @@ tui_display_registers_from (int start_element_no)
{
struct tui_data_info *display_info = &TUI_DATA_WIN->detail.data_display_info;
- if (display_info->regs_content != (tui_win_content) NULL
+ if (display_info->regs_content != NULL
&& display_info->regs_content_count > 0)
{
int i = start_element_no;
@@ -398,8 +398,7 @@ static void
tui_display_reg_element_at_line (int start_element_no,
int start_line_no)
{
- if (TUI_DATA_WIN->detail.data_display_info.regs_content
- != (tui_win_content) NULL
+ if (TUI_DATA_WIN->detail.data_display_info.regs_content != NULL
&& TUI_DATA_WIN->detail.data_display_info.regs_content_count > 0)
{
int element_no = start_element_no;
diff --git a/gdb/tui/tui-windata.c b/gdb/tui/tui-windata.c
index 6f150c96620..8616b6c47b9 100644
--- a/gdb/tui/tui-windata.c
+++ b/gdb/tui/tui-windata.c
@@ -55,7 +55,7 @@ tui_first_data_item_displayed (void)
data_item_win
= &TUI_DATA_WIN->generic.content[i]->which_element.data_window;
- if (data_item_win->handle != NULL
+ if (data_item_win->handle != NULL
&& data_item_win->is_visible)
element_no = i;
}
@@ -138,8 +138,7 @@ tui_display_all_data (void)
tui_display_registers_from (0);
/* Then display the other data. */
- if (TUI_DATA_WIN->detail.data_display_info.data_content !=
- (tui_win_content) NULL
+ if (TUI_DATA_WIN->detail.data_display_info.data_content != NULL
&& TUI_DATA_WIN->detail.data_display_info.data_content_count > 0)
{
}
--
2.17.2