diff options
Diffstat (limited to 'futility/cmd_dump_fmap.c')
| -rw-r--r-- | futility/cmd_dump_fmap.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/futility/cmd_dump_fmap.c b/futility/cmd_dump_fmap.c index e57bbf7c..b512fdca 100644 --- a/futility/cmd_dump_fmap.c +++ b/futility/cmd_dump_fmap.c @@ -5,6 +5,7 @@ */ #include <errno.h> #include <fcntl.h> +#include <getopt.h> #include <inttypes.h> #include <stdint.h> #include <stdio.h> @@ -411,6 +412,13 @@ static void print_help(int argc, char *argv[]) printf(usage, argv[0]); } +enum { + OPT_HELP = 1000, +}; +static const struct option long_opts[] = { + {"help", 0, 0, OPT_HELP}, + {NULL, 0, 0, 0} +}; static int do_dump_fmap(int argc, char *argv[]) { int c; @@ -421,7 +429,7 @@ static int do_dump_fmap(int argc, char *argv[]) int retval = 1; opterr = 0; /* quiet, you */ - while ((c = getopt(argc, argv, ":xpFhH")) != -1) { + while ((c = getopt_long(argc, argv, ":xpFhH", long_opts, 0)) != -1) { switch (c) { case 'x': opt_extract = 1; @@ -439,6 +447,9 @@ static int do_dump_fmap(int argc, char *argv[]) opt_format = FMT_HUMAN; opt_overlap++; break; + case OPT_HELP: + print_help(argc, argv); + return 0; case '?': fprintf(stderr, "%s: unrecognized switch: -%c\n", argv[0], optopt); @@ -510,7 +521,5 @@ static int do_dump_fmap(int argc, char *argv[]) return retval; } -DECLARE_FUTIL_COMMAND(dump_fmap, do_dump_fmap, - VBOOT_VERSION_ALL, - "Display FMAP contents from a firmware image", - print_help); +DECLARE_FUTIL_COMMAND(dump_fmap, do_dump_fmap, VBOOT_VERSION_ALL, + "Display FMAP contents from a firmware image"); |