libxtables: XTTYPE_UINT32 support
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/xtoptions.c b/xtoptions.c
index df917b6..843395b 100644
--- a/xtoptions.c
+++ b/xtoptions.c
@@ -80,12 +80,34 @@
return merge;
}
+/**
+ * Require a simple integer.
+ */
+static void xtopt_parse_int(struct xt_option_call *cb)
+{
+ const struct xt_option_entry *entry = cb->entry;
+ unsigned int lmin = 0, lmax = UINT32_MAX;
+ unsigned int value;
+
+ if (!xtables_strtoui(cb->arg, NULL, &value, lmin, lmax))
+ xt_params->exit_err(PARAMETER_PROBLEM,
+ "%s: bad value for option \"--%s\", "
+ "or out of range (%u-%u).\n",
+ cb->ext_name, entry->name, lmin, lmax);
+
+ if (entry->type == XTTYPE_UINT32) {
+ cb->val.u32 = value;
+ if (entry->flags & XTOPT_PUT)
+ *(uint32_t *)XTOPT_MKPTR(cb) = cb->val.u32;
+ }
+}
+
static void (*const xtopt_subparse[])(struct xt_option_call *) = {
- [XTTYPE_NONE] = NULL,
+ [XTTYPE_UINT32] = xtopt_parse_int,
};
static const size_t xtopt_psize[] = {
- [XTTYPE_NONE] = 0,
+ [XTTYPE_UINT32] = sizeof(uint32_t),
};
/**