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chassis: bootdev: Refactor more

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* Get rid of magic '8' in bootdev options processing.

* Optimize the code of bootdev arguments processing, remove the
  special crafting of flags for 'clear-cmos' argument, make it use
  the same code as other options.

Signed-off-by: Alexander Amelkin <alexander@amelkin.msk.ru>
This commit is contained in:
Alexander Amelkin 2019-11-08 14:04:13 +03:00 committed by Alexander Amelkin
parent aa72d9c426
commit 0663814eec
1 changed files with 27 additions and 17 deletions
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44
lib/ipmi_chassis.c
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@ -1714,7 +1714,8 @@ ipmi_chassis_set_bootflag_help()
/*
* Sugar. Macros for internal use by bootdev_parse_options() to make
* the structure initialization look better
* the structure initialization look better. Can't use scope-limited
* static consts for initializers with gcc5, alas.
*/
#define BF1_OFFSET 0
#define BF2_OFFSET 1
@ -1730,13 +1731,15 @@ bootdev_parse_options(char *optstring, uint8_t flags[])
char *token;
char *saveptr = NULL;
int optionError = 0;
static struct {
static const struct bootdev_opt_s {
char *name;
off_t offset;
unsigned char mask;
unsigned char value;
char *desc;
} *op, options[] = {
} *op;
static const struct bootdev_opt_s options[] = {
/* data 1 */
{
"valid",
@ -2047,23 +2050,30 @@ ipmi_chassis_main(struct ipmi_intf * intf, int argc, char ** argv)
lprintf(LOG_NOTICE, " bios : Force boot into BIOS Setup");
lprintf(LOG_NOTICE, " floppy: Force boot from Floppy/primary removable media");
} else {
if (argc < 3)
rc = ipmi_chassis_set_bootdev(intf, argv[1], NULL);
else if (strncmp(argv[2], "clear-cmos=", 11) == 0) {
if (strncmp(argv[2]+11, "yes", 3) == 0) {
uint8_t flags[5] = {0, (1<<7), 0, 0, 0};
rc = ipmi_chassis_set_bootdev(intf, argv[1], flags);
} else
rc = ipmi_chassis_set_bootdev(intf, argv[1], NULL);
static const char *kw = "options=";
static const int kw_len = 8;
char *optstr = NULL;
uint8_t flags[BF_BYTE_COUNT];
bool use_flags = false;
if (argc >= 3) {
if (!strcmp(argv[2], "clear-cmos=yes")) {
/* Exclusive clear-cmos, no other flags */
optstr = "clear-cmos";
}
else if (!strncmp(argv[2], kw, kw_len)) {
optstr = argv[2] + kw_len;
}
}
else if (strncmp(argv[2], "options=", 8) == 0) {
uint8_t flags[BF_BYTE_COUNT];
if (!bootdev_parse_options(argv[2] + 8, flags))
if (optstr) {
if (!bootdev_parse_options(optstr, flags))
return -1;
rc = ipmi_chassis_set_bootdev(intf, argv[1], flags);
use_flags = true;
}
else
rc = ipmi_chassis_set_bootdev(intf, argv[1], NULL);
rc = ipmi_chassis_set_bootdev(intf, argv[1],
use_flags
? flags
: NULL);
}
}
else if (!strcmp(argv[0], "bootmbox")) {