From: Dave Chinner <dchinner@xxxxxxxxxx>
Abstract out the common subopt parsing code into a common function
and type table so we can factor the parsing code. Add the function
stubs in preparation for factoring.
Signed-Off-By: Dave Chinner <dchinner@xxxxxxxxxx>
---
mkfs/xfs_mkfs.c | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 130 insertions(+)
diff --git a/mkfs/xfs_mkfs.c b/mkfs/xfs_mkfs.c
index 2b264ec32974..022fb84016f6 100644
--- a/mkfs/xfs_mkfs.c
+++ b/mkfs/xfs_mkfs.c
@@ -1467,6 +1467,136 @@ getstr(
return str;
}
+static int
+block_opts_parser(
+ struct opt_params *opts,
+ int subopt,
+ char *value,
+ struct cli_params *cli)
+{
+ return 0;
+}
+
+static int
+data_opts_parser(
+ struct opt_params *opts,
+ int subopt,
+ char *value,
+ struct cli_params *cli)
+{
+ return 0;
+}
+
+static int
+inode_opts_parser(
+ struct opt_params *opts,
+ int subopt,
+ char *value,
+ struct cli_params *cli)
+{
+ return 0;
+}
+
+static int
+log_opts_parser(
+ struct opt_params *opts,
+ int subopt,
+ char *value,
+ struct cli_params *cli)
+{
+ return 0;
+}
+
+static int
+meta_opts_parser(
+ struct opt_params *opts,
+ int subopt,
+ char *value,
+ struct cli_params *cli)
+{
+ return 0;
+}
+
+static int
+naming_opts_parser(
+ struct opt_params *opts,
+ int subopt,
+ char *value,
+ struct cli_params *cli)
+{
+ return 0;
+}
+
+static int
+rtdev_opts_parser(
+ struct opt_params *opts,
+ int subopt,
+ char *value,
+ struct cli_params *cli)
+{
+ return 0;
+}
+
+static int
+sector_opts_parser(
+ struct opt_params *opts,
+ int subopt,
+ char *value,
+ struct cli_params *cli)
+{
+ return 0;
+}
+
+struct subopts {
+ char opt;
+ struct opt_params *opts;
+ int (*parser)();
+} subopt_tab[] = {
+ { 'b', &bopts, block_opts_parser },
+ { 'd', &dopts, data_opts_parser },
+ { 'i', &iopts, inode_opts_parser },
+ { 'l', &lopts, log_opts_parser },
+ { 'm', &mopts, meta_opts_parser },
+ { 'n', &nopts, naming_opts_parser },
+ { 'r', &ropts, rtdev_opts_parser },
+ { 's', &sopts, sector_opts_parser },
+ { '\0', NULL, NULL },
+};
+
+static void
+parse_subopts(
+ char opt,
+ char *arg,
+ struct cli_params *cli)
+{
+ struct subopts *sop = &subopt_tab[0];
+ char *p;
+ int ret = 0;
+
+ while (sop->opts) {
+ if (sop->opt == opt)
+ break;
+ sop++;
+ }
+
+ /* should never happen */
+ if (!sop->opts)
+ return;
+
+ p = arg;
+ while (*p != '\0') {
+ char **subopts = (char **)sop->opts->subopts;
+ char *value;
+ int subopt;
+
+ subopt = getsubopt(&p, subopts, &value);
+
+ ret = (sop->parser)(sop->opts, subopt, value, cli);
+ if (ret)
+ unknown(opt, value);
+ }
+}
+
int
main(
int argc,
--
2.13.3
--
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