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menu: Update bootmenu_loop() to return the code

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Use the return value to save having to pass around a pointer. This also
resolves any ambiguity about what *key contains when the function is
called.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-01-06 08:52:24 -06:00 committed by Tom Rini
parent 5712976b26
commit d0ca98dbd9
4 changed files with 24 additions and 23 deletions
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2
cmd/bootmenu.c
View file

@ -96,7 +96,7 @@ static char *bootmenu_choice_entry(void *data)
key = bootmenu_autoboot_loop(menu, &esc);
} else {
/* Some key was pressed, so autoboot was stopped */
bootmenu_loop(menu, &key, &esc);
key = bootmenu_loop(menu, &esc);
}
switch (key) {

4
cmd/eficonfig.c
View file

@ -191,7 +191,7 @@ static char *eficonfig_choice_entry(void *data)
struct efimenu *efi_menu = data;
while (1) {
bootmenu_loop((struct bootmenu_data *)efi_menu, &key, &esc);
key = bootmenu_loop((struct bootmenu_data *)efi_menu, &esc);
switch (key) {
case BKEY_UP:
@ -1868,7 +1868,7 @@ static efi_status_t eficonfig_choice_change_boot_order(struct efimenu *efi_menu)
struct eficonfig_entry *entry, *tmp;
while (1) {
bootmenu_loop(NULL, &key, &esc);
key = bootmenu_loop(NULL, &esc);
switch (key) {
case BKEY_PLUS:

30
common/menu.c
View file

@ -476,9 +476,9 @@ enum bootmenu_key bootmenu_autoboot_loop(struct bootmenu_data *menu, int *esc)
return key;
}
void bootmenu_loop(struct bootmenu_data *menu,
enum bootmenu_key *key, int *esc)
enum bootmenu_key bootmenu_loop(struct bootmenu_data *menu, int *esc)
{
enum bootmenu_key key = BKEY_NONE;
int c;
if (*esc == 1) {
@ -505,17 +505,17 @@ void bootmenu_loop(struct bootmenu_data *menu,
/* First char of ANSI escape sequence '\e' */
if (c == '\e') {
*esc = 1;
*key = BKEY_NONE;
key = BKEY_NONE;
}
break;
case 1:
/* Second char of ANSI '[' */
if (c == '[') {
*esc = 2;
*key = BKEY_NONE;
key = BKEY_NONE;
} else {
/* Alone ESC key was pressed */
*key = BKEY_QUIT;
key = BKEY_QUIT;
*esc = (c == '\e') ? 1 : 0;
}
break;
@ -524,7 +524,7 @@ void bootmenu_loop(struct bootmenu_data *menu,
/* Third char of ANSI (number '1') - optional */
if (*esc == 2 && c == '1') {
*esc = 3;
*key = BKEY_NONE;
key = BKEY_NONE;
break;
}
@ -532,31 +532,33 @@ void bootmenu_loop(struct bootmenu_data *menu,
/* ANSI 'A' - key up was pressed */
if (c == 'A')
*key = BKEY_UP;
key = BKEY_UP;
/* ANSI 'B' - key down was pressed */
else if (c == 'B')
*key = BKEY_DOWN;
key = BKEY_DOWN;
/* other key was pressed */
else
*key = BKEY_NONE;
key = BKEY_NONE;
break;
}
/* enter key was pressed */
if (c == '\r')
*key = BKEY_SELECT;
key = BKEY_SELECT;
/* ^C was pressed */
if (c == 0x3)
*key = BKEY_QUIT;
key = BKEY_QUIT;
if (c == '+')
*key = BKEY_PLUS;
key = BKEY_PLUS;
if (c == '-')
*key = BKEY_MINUS;
key = BKEY_MINUS;
if (c == ' ')
*key = BKEY_SPACE;
key = BKEY_SPACE;
return key;
}

11
include/menu.h
View file

@ -83,7 +83,10 @@ enum bootmenu_key bootmenu_autoboot_loop(struct bootmenu_data *menu, int *esc);
* character is recognised
*
* @menu: Menu being processed
* @key: Returns the code for the key the user pressed:
* @esc: On input, a non-zero value indicates that an escape sequence has
* resulted in that many characters so far. On exit this is updated to the
* new number of characters
* Returns: code for the key the user pressed:
* enter: BKEY_SELECT
* Ctrl-C: BKEY_QUIT
* Up arrow: BKEY_UP
@ -92,11 +95,7 @@ enum bootmenu_key bootmenu_autoboot_loop(struct bootmenu_data *menu, int *esc);
* Plus: BKEY_PLUS
* Minus: BKEY_MINUS
* Space: BKEY_SPACE
* @esc: On input, a non-zero value indicates that an escape sequence has
* resulted in that many characters so far. On exit this is updated to the
* new number of characters
*/
void bootmenu_loop(struct bootmenu_data *menu,
enum bootmenu_key *key, int *esc);
enum bootmenu_key bootmenu_loop(struct bootmenu_data *menu, int *esc);
#endif /* __MENU_H__ */