util/nvmutil: separate usage function

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-02 12:11:16 +00:00
parent 7e81c5c630
commit 9c23eac148
+23 -17
View File
@@ -19,7 +19,7 @@ void cmd_setchecksum(void), cmd_brick(void), swap(int partnum), writeGbe(void),
checkdir(const char *path), macf(int partnum), hexdump(int partnum),
parseMacString(const char *strMac, uint16_t *mac), cmd_swap(void),
openFiles(const char *path), cmd_copy(void), writeGbe_part(int),
readGbe_part(int);
readGbe_part(int), usage(char*);
int goodChecksum(int partnum);
uint8_t hextonum(char chs), rhex(void);
@@ -77,22 +77,8 @@ main(int argc, char *argv[])
err_if(pledge("stdio rpath wpath unveil", NULL) == -1);
#endif
if (argc < 2) {
#ifdef __OpenBSD__
err_if(pledge("stdio", NULL) == -1);
#endif
fprintf(stderr, "Modify Intel GbE NVM images e.g. set MAC\n");
fprintf(stderr, "USAGE:\n");
fprintf(stderr, " %s FILE dump\n", argv[0]);
fprintf(stderr, " %s FILE\n # same as setmac without arg\n",
argv[0]);
fprintf(stderr, " %s FILE setmac [MAC]\n", argv[0]);
fprintf(stderr, " %s FILE swap\n", argv[0]);
fprintf(stderr, " %s FILE copy 0|1\n", argv[0]);
fprintf(stderr, " %s FILE brick 0|1\n", argv[0]);
fprintf(stderr, " %s FILE setchecksum 0|1\n", argv[0]);
err(SET_ERR(ECANCELED), "Too few arguments");
}
if (argc < 2)
usage(argv[0]);
fname = argv[1];
@@ -455,3 +441,23 @@ swap(int partnum)
n[w] ^= n[x];
}
}
void
usage(char *util)
{
#ifdef __OpenBSD__
err_if(pledge("stdio", NULL) == -1);
#endif
fprintf(stderr,
"Modify Intel GbE NVM images e.g. set MAC\n"
"USAGE:\n"
"%s FILE dump\n"
" %s FILE\n # same as setmac without arg\n"
" %s FILE setmac [MAC]\n"
" %s FILE swap\n"
" %s FILE copy 0|1\n"
" %s FILE brick 0|1\n"
" %s FILE setchecksum 0|1\n",
util, util, util, util, util, util, util);
err(SET_ERR(ECANCELED), "Too few arguments");
}