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util/nvmutil: more consistent output in usage()

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and use getnvmprogname

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-03 18:03:27 +00:00
parent 2faea7d890
commit 3af94efc16
1 changed files with 11 additions and 10 deletions
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util/nvmutil/nvmutil.c
+11 -10
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@@ -43,7 +43,7 @@ static void check_bound(int, int);
static void write_gbe(void);
static void write_gbe_part(int);
static void swap(int);
static void usage(const char *);
static void usage(void);
static void err_if(int);
static void err(int, const char *, ...);
static const char *getnvmprogname(void);
@@ -97,7 +97,7 @@ main(int argc, char *argv[])
{
argv0 = argv[0];
if (argc < 2)
usage(getnvmprogname());
usage();
fname = argv[1];
#ifdef __OpenBSD__
err_if(pledge("stdio rpath wpath unveil", NULL) == -1);
@@ -572,21 +572,22 @@ swap(int partnum)
}
static void
usage(const char *util)
usage(void)
{
const char *util = getnvmprogname();
#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",
"\t%s FILE dump\n"
"\t%s FILE # same as setmac without [MAC]\n"
"\t%s FILE setmac [MAC]\n"
"\t%s FILE swap\n"
"\t%s FILE copy 0|1\n"
"\t%s FILE brick 0|1\n"
"\t%s FILE setchecksum 0|1\n",
util, util, util, util, util, util, util);
err(set_err(ECANCELED), "Too few arguments");
}