On Tue, Sep 17, 2013 at 09:58:53AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote: > the format is %08x > > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> > --- > commands/crc.c | 20 +++++++++++++++++++- > 1 file changed, 19 insertions(+), 1 deletion(-) > > diff --git a/commands/crc.c b/commands/crc.c > index a0071b0..b7416e1 100644 > --- a/commands/crc.c > +++ b/commands/crc.c > @@ -82,6 +82,19 @@ out: > return ret; > } > > +static int crc_from_file(const char* file, ulong *crc) > +{ > + char * buf; > + > + buf= read_file(file, NULL); > + > + if (!buf) > + return -ENOMEM; > + > + *crc = simple_strtoul(buf, NULL, 16); > + return 0; > +} > + > static int do_crc(int argc, char *argv[]) > { > loff_t start = 0, size = ~0; > @@ -92,7 +105,7 @@ static int do_crc(int argc, char *argv[]) > #endif > int opt, err = 0, filegiven = 0, verify = 0; > > - while((opt = getopt(argc, argv, "f:F:v:")) > 0) { > + while((opt = getopt(argc, argv, "f:F:v:V:")) > 0) { > switch(opt) { > case 'f': > filename = optarg; > @@ -108,6 +121,10 @@ static int do_crc(int argc, char *argv[]) > verify = 1; > vcrc = simple_strtoul(optarg, NULL, 0); > break; > + case 'V': > + if (!crc_from_file(optarg, &vcrc)) > + verify = 1; > + break; > default: > return COMMAND_ERROR_USAGE; > } > @@ -153,6 +170,7 @@ BAREBOX_CMD_HELP_OPT ("-f <file>", "Use file instead of memory.\n") > BAREBOX_CMD_HELP_OPT ("-F <file>", "Use file to compare.\n") > #endif > BAREBOX_CMD_HELP_OPT ("-v <crc>", "Verify\n") > +BAREBOX_CMD_HELP_OPT ("-V <file>", "Verify\n") Please increase verbosity a bit, like "Verify with crc read from <file>". Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox