[PATCH v5] conhost: Use font face length as number of characters, not size
Hugh McMaster
hugh.mcmaster at outlook.com
Tue Aug 24 06:19:17 CDT 2021
Signed-off-by: Hugh McMaster <hugh.mcmaster at outlook.com>
---
Changes in v5:
* Add whitespace around arguments.
* Only null-terminate when copying to LOGFONT FaceName.
* Remove brackets around a multiplication operation.
programs/conhost/conhost.c | 13 +++++++++----
programs/conhost/window.c | 31 +++++++++++++++----------------
2 files changed, 24 insertions(+), 20 deletions(-)
diff --git a/programs/conhost/conhost.c b/programs/conhost/conhost.c
index 9bfc5f84242..05447d52dd5 100644
--- a/programs/conhost/conhost.c
+++ b/programs/conhost/conhost.c
@@ -97,9 +97,14 @@ static struct screen_buffer *create_screen_buffer( struct console *console, int
screen_buffer->popup_attr = console->active->attr;
screen_buffer->font = console->active->font;
- if (!(screen_buffer->font.face_name = malloc( screen_buffer->font.face_len ))) return NULL;
- memcpy( screen_buffer->font.face_name, console->active->font.face_name,
- screen_buffer->font.face_len );
+ if (screen_buffer->font.face_len)
+ {
+ screen_buffer->font.face_name = malloc( screen_buffer->font.face_len * sizeof(WCHAR) );
+ if (!screen_buffer->font.face_name) return NULL;
+
+ memcpy( screen_buffer->font.face_name, console->active->font.face_name,
+ screen_buffer->font.face_len * sizeof(WCHAR) );
+ }
}
else
{
@@ -1728,7 +1733,7 @@ static NTSTATUS get_output_info( struct screen_buffer *screen_buffer, size_t *ou
{
struct condrv_output_info *info;
- *out_size = min( *out_size, sizeof(*info) + screen_buffer->font.face_len );
+ *out_size = min( *out_size, sizeof(*info) + screen_buffer->font.face_len * sizeof(WCHAR) );
if (!(info = alloc_ioctl_buffer( *out_size ))) return STATUS_NO_MEMORY;
info->cursor_size = screen_buffer->cursor_size;
diff --git a/programs/conhost/window.c b/programs/conhost/window.c
index 3ce36fe2c3d..8df949645c0 100644
--- a/programs/conhost/window.c
+++ b/programs/conhost/window.c
@@ -242,7 +242,6 @@ static void load_config( const WCHAR *key_name, struct console_config *config )
TRACE("loading %s registry settings.\n", wine_dbgstr_w( key_name ));
memcpy( config->color_map, color_map, sizeof(color_map) );
- memset( config->face_name, 0, sizeof(config->face_name) );
config->cursor_size = 25;
config->cursor_visible = 1;
config->font_pitch_family = FIXED_PITCH | FF_DONTCARE;
@@ -683,9 +682,9 @@ static BOOL set_console_font( struct console *console, const LOGFONTW *logfont )
if (console->window->font && logfont->lfHeight == console->active->font.height &&
logfont->lfWeight == console->active->font.weight &&
!logfont->lfItalic && !logfont->lfUnderline && !logfont->lfStrikeOut &&
- console->active->font.face_len == wcslen( logfont->lfFaceName ) * sizeof(WCHAR) &&
+ console->active->font.face_len == wcslen( logfont->lfFaceName ) &&
!memcmp( logfont->lfFaceName, console->active->font.face_name,
- console->active->font.face_len ))
+ console->active->font.face_len * sizeof(WCHAR) ))
{
TRACE( "equal to current\n" );
return TRUE;
@@ -708,9 +707,9 @@ static BOOL set_console_font( struct console *console, const LOGFONTW *logfont )
font_info->weight = tm.tmWeight;
free( font_info->face_name );
- font_info->face_len = wcslen( logfont->lfFaceName ) * sizeof(WCHAR);
- font_info->face_name = malloc( font_info->face_len );
- memcpy( font_info->face_name, logfont->lfFaceName, font_info->face_len );
+ font_info->face_len = wcslen( logfont->lfFaceName );
+ font_info->face_name = malloc( font_info->face_len * sizeof(WCHAR) );
+ memcpy( font_info->face_name, logfont->lfFaceName, font_info->face_len * sizeof(WCHAR) );
/* FIXME: use maximum width for DBCS codepages since some chars take two cells */
if (GetCPInfo( console->output_cp, &cpinfo ) && cpinfo.MaxCharSize > 1)
@@ -819,9 +818,10 @@ static int WINAPI get_first_font_sub_enum( const LOGFONTW *lf, const TEXTMETRICW
load_config( fc->console->window->config_key, &config );
config.cell_width = fc->console->active->font.width;
config.cell_height = fc->console->active->font.height;
- fc->console->active->font.face_len = wcslen( config.face_name ) * sizeof(WCHAR);
- memcpy( fc->console->active->font.face_name, config.face_name,
- fc->console->active->font.face_len );
+ memcpy( config.face_name, fc->console->active->font.face_name,
+ fc->console->active->font.face_len * sizeof(WCHAR) );
+ config.face_name[fc->console->active->font.face_len] = 0;
+
/* Force also its writing back to the registry so that we can get it
* the next time.
*/
@@ -1895,8 +1895,9 @@ static void apply_config( struct console *console, const struct console_config *
console->active->font.height != config->cell_height ||
console->active->font.weight != config->font_weight ||
console->active->font.pitch_family != config->font_pitch_family ||
- console->active->font.face_len != wcslen( config->face_name ) * sizeof(WCHAR) ||
- memcmp( console->active->font.face_name, config->face_name, console->active->font.face_len ))
+ console->active->font.face_len != wcslen( config->face_name ) ||
+ memcmp( console->active->font.face_name, config->face_name,
+ console->active->font.face_len * sizeof(WCHAR) ))
{
update_console_font( console, config->face_name, config->cell_height, config->font_weight );
}
@@ -1908,8 +1909,6 @@ static void apply_config( struct console *console, const struct console_config *
static void current_config( struct console *console, struct console_config *config )
{
- size_t len;
-
config->menu_mask = console->window->menu_mask;
config->quick_edit = console->window->quick_edit;
@@ -1930,9 +1929,9 @@ static void current_config( struct console *console, struct console_config *conf
config->cell_height = console->active->font.height;
config->font_weight = console->active->font.weight;
config->font_pitch_family = console->active->font.pitch_family;
- len = min( ARRAY_SIZE(config->face_name) - 1, console->active->font.face_len / sizeof(WCHAR) );
- if (len) memcpy( config->face_name, console->active->font.face_name, len * sizeof(WCHAR) );
- config->face_name[len] = 0;
+ memcpy( config->face_name, console->active->font.face_name,
+ console->active->font.face_len * sizeof(WCHAR) );
+ config->face_name[console->active->font.face_len] = 0;
config->sb_width = console->active->width;
config->sb_height = console->active->height;
--
2.33.0
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