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util/nvmutil: tidy up some comments

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-07 02:44:11 +00:00
parent 49eca198da
commit b8bd1ca65a
1 changed files with 9 additions and 21 deletions
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util/nvmutil/nvmutil.c
+9 -21
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@@ -266,16 +266,18 @@ set_cmd(int argc, char *argv[])
size_t i;
/*
* Example: ./nvmutil gbe.bin
*
* Here, we assume that the user
* wants a randomised MAC address.
* No extra args: ./nvmutil gbe.bin
* Equivalent: ./nvm gbe.bin setmac xx:xx:xx:xx:xx:xx
*/
if (argc == 2) {
cmd = cmd_setmac;
return;
}
/*
* Three or more args.
* Example: ./nvmutil gbe.bin copy 0
*/
for (i = 0; i < items(command); i++) {
if (strcmp(argv[2], command[i].str) != 0)
continue;
@@ -293,28 +295,14 @@ check_cmd_args(int argc, char *argv[])
{
if (cmd == NULL && argc > 2) {
/*
* Here, no valid command was found, but a
* 3rd argument is available, which tells
* us that the 3rd argument is a MAC address
* supplied by the user, which could also
* contain one or more random characters.
*
* This is intentional, because a lot of
* users might run something like:
*
* ./nvmutil gbe.bin xx:1f:16:??:??:??
*
* Instead of (more properly):
*
* ./nvmutil gbe.bin setmac xx:1f:16:??:??:??
*
* This quirk makes the tool easier to use.
* Example: ./nvmutil gbe.bin xx:1f:16:xx:xx:xx
* Eqivalent ./nvmutil gbe.bin setmac xx:1f:16:xx:xx:xx
*/
mac_str = argv[2];
cmd = cmd_setmac;
} else if (cmd == cmd_setmac) {
/*
* ./nvmutil gbe.bin setmac [MAC]
* Example: ./nvmutil gbe.bin setmac xx:1f:16:xx:xx:xx
*/
mac_str = rmac; /* random MAC */
if (argc > 3)