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efi_loader: use efi_create_indexed_name()

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Simplify the creation of indexed variable names like 'Boot0000' by using
function efi_create_indexed_name().

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Heinrich Schuchardt 2021-05-24 10:57:03 +02:00
parent 60177e0ac2
commit 2ecee31017
1 changed files with 14 additions and 23 deletions
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37
cmd/efidebug.c
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@ -227,8 +227,7 @@ static int do_efi_capsule_res(struct cmd_tbl *cmdtp, int flag,
{
int capsule_id;
char *endp;
char var_name[12];
u16 var_name16[12], *p;
u16 var_name16[12];
efi_guid_t guid;
struct efi_capsule_result_variable_header *result = NULL;
efi_uintn_t size;
@ -259,9 +258,8 @@ static int do_efi_capsule_res(struct cmd_tbl *cmdtp, int flag,
if (capsule_id < 0 || capsule_id > 0xffff)
return CMD_RET_USAGE;
sprintf(var_name, "Capsule%04X", capsule_id);
p = var_name16;
utf8_utf16_strncpy(&p, var_name, 9);
efi_create_indexed_name(var_name16, sizeof(var_name16),
"Capsule", capsule_id);
}
size = 0;
@ -954,8 +952,7 @@ static int do_efi_boot_add(struct cmd_tbl *cmdtp, int flag,
{
int id;
char *endp;
char var_name[9];
u16 var_name16[9], *p;
u16 var_name16[9];
efi_guid_t guid;
size_t label_len, label_len16;
u16 *label;
@ -988,9 +985,8 @@ static int do_efi_boot_add(struct cmd_tbl *cmdtp, int flag,
if (*endp != '\0' || id > 0xffff)
return CMD_RET_USAGE;
sprintf(var_name, "Boot%04X", id);
p = var_name16;
utf8_utf16_strncpy(&p, var_name, 9);
efi_create_indexed_name(var_name16, sizeof(var_name16),
"Boot", id);
/* label */
label_len = strlen(argv[2]);
@ -1107,8 +1103,7 @@ static int do_efi_boot_rm(struct cmd_tbl *cmdtp, int flag,
efi_guid_t guid;
int id, i;
char *endp;
char var_name[9];
u16 var_name16[9], *p;
u16 var_name16[9];
efi_status_t ret;
if (argc == 1)
@ -1120,10 +1115,8 @@ static int do_efi_boot_rm(struct cmd_tbl *cmdtp, int flag,
if (*endp != '\0' || id > 0xffff)
return CMD_RET_FAILURE;
sprintf(var_name, "Boot%04X", id);
p = var_name16;
utf8_utf16_strncpy(&p, var_name, 9);
efi_create_indexed_name(var_name16, sizeof(var_name16),
"Boot", id);
ret = EFI_CALL(efi_set_variable(var_name16, &guid, 0, 0, NULL));
if (ret) {
printf("Cannot remove %ls\n", var_name16);
@ -1313,8 +1306,7 @@ static int show_efi_boot_order(void)
u16 *bootorder;
efi_uintn_t size;
int num, i;
char var_name[9];
u16 var_name16[9], *p16;
u16 var_name16[9];
void *data;
struct efi_load_option lo;
efi_status_t ret;
@ -1344,16 +1336,15 @@ static int show_efi_boot_order(void)
num = size / sizeof(u16);
for (i = 0; i < num; i++) {
sprintf(var_name, "Boot%04X", bootorder[i]);
p16 = var_name16;
utf8_utf16_strncpy(&p16, var_name, 9);
efi_create_indexed_name(var_name16, sizeof(var_name16),
"Boot", i);
size = 0;
ret = EFI_CALL(efi_get_variable(var_name16,
&efi_global_variable_guid, NULL,
&size, NULL));
if (ret != EFI_BUFFER_TOO_SMALL) {
printf("%2d: %s: (not defined)\n", i + 1, var_name);
printf("%2d: %ls: (not defined)\n", i + 1, var_name16);
continue;
}
@ -1378,7 +1369,7 @@ static int show_efi_boot_order(void)
goto out;
}
printf("%2d: %s: %ls\n", i + 1, var_name, lo.label);
printf("%2d: %ls: %ls\n", i + 1, var_name16, lo.label);
free(data);
}