I personally think it would be better to use getopt() here.
Regards
--
Iain Bucław
*(p < e ? p++ : p) = (c & 0x0f) + '0';
diff -Naurp btrfs-tools-0.19.orig/btrfsck.c btrfs-tools-0.19/btrfsck.c
--- btrfs-tools-0.19.orig/btrfsck.c 2009-06-11 17:56:15.000000000 +0100
+++ btrfs-tools-0.19/btrfsck.c 2010-02-14 20:53:21.000000000 +0000
@@ -21,6 +21,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
+#include <getopt.h>
#include "kerncompat.h"
#include "ctree.h"
#include "disk-io.h"
@@ -2441,16 +2442,38 @@ static void print_usage(void)
exit(1);
}
+static char *btrfs_parseopts(int ac, char **av)
+{
+ int c;
+
+ if (ac < 2)
+ print_usage();
+
+ while ((c = getopt (ac, av, "apy")) != EOF)
+
+ switch (c) {
+ case 'a':
+ case 'p':
+ case 'y':
+ default:
+ break;
+ }
+ if (optind != ac - 1)
+ print_usage();
+
+ return (av[optind]);
+}
+
int main(int ac, char **av)
{
struct btrfs_root *root;
+ char *file;
int ret;
- if (ac < 2)
- print_usage();
+ file = btrfs_parseopts(ac, av);
radix_tree_init();
- root = open_ctree(av[1], 0, 0);
+ root = open_ctree(file, 0, 0);
if (root == NULL)
return 1;
