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tornado/fw/ben/ben.c (main): use getopt

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This commit is contained in:
Werner Almesberger 2012-12-05 13:01:13 -03:00
parent cb324a81fc
commit e2172b4eef
1 changed files with 19 additions and 5 deletions
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24
tornado/fw/ben/ben.c
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@ -13,6 +13,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>
@ -92,6 +93,9 @@ static void usage(const char *name)
int main(int argc, char **argv)
{
int do_read = 1;
int c;
io_setup();
if (!mmc_init()) {
@ -99,11 +103,21 @@ int main(int argc, char **argv)
exit(1);
}
if (argc == 1)
read_block();
else if (!strcmp(argv[1], "-w"))
write_block();
else
while ((c = getopt(argc, argv, "w")) != EOF)
switch (c) {
case 'w':
do_read = 0;
break;
default:
usage(*argv);
}
if (optind != argc)
usage(*argv);
if (do_read)
read_block();
else
write_block();
return 0;
}