@@ -169,6 +169,31 @@ static struct ematch_util *get_ematch_kind_num(__u16 kind)
return get_ematch_kind(name);
}
+static int em_parse_call(struct nlmsghdr *n, struct tcf_ematch_hdr *hdr,
+ struct ematch_util *e, struct ematch *t)
+{
+ if (e->parse_eopt_argv) {
+ int argc = 0, i = 0, ret;
+ struct bstr *args;
+ char **argv;
+
+ for (args = t->args; args; args = bstr_next(args))
+ argc++;
+ argv = calloc(argc, sizeof(char *));
+ if (!argv)
+ return -1;
+ for (args = t->args; args; args = bstr_next(args))
+ argv[i++] = args->data;
+
+ ret = e->parse_eopt_argv(n, hdr, argc, argv);
+
+ free(argv);
+ return ret;
+ }
+
+ return e->parse_eopt(n, hdr, t->args->next);
+}
+
static int parse_tree(struct nlmsghdr *n, struct ematch *tree)
{
int index = 1;
@@ -212,7 +237,7 @@ static int parse_tree(struct nlmsghdr *n, struct ematch *tree)
}
hdr.kind = num;
- if (e->parse_eopt(n, &hdr, t->args->next) < 0)
+ if (em_parse_call(n, &hdr, e, t) < 0)
return -1;
}
@@ -88,6 +88,8 @@ struct ematch_util
int kind_num;
int (*parse_eopt)(struct nlmsghdr *,struct tcf_ematch_hdr *,
struct bstr *);
+ int (*parse_eopt_argv)(struct nlmsghdr *, struct tcf_ematch_hdr *,
+ int, char **);
int (*print_eopt)(FILE *, struct tcf_ematch_hdr *, void *, int);
void (*print_usage)(FILE *);
struct ematch_util *next;
ematche uses YACC to parse ematch arguments and places them in struct bstr linked lists. It is useful to be able to receive parameters as argc,argv in order to use getopt (and alike) argument parsers. Signed-off-by: Eyal Birger <eyal.birger@gmail.com> --- tc/m_ematch.c | 27 ++++++++++++++++++++++++++- tc/m_ematch.h | 2 ++ 2 files changed, 28 insertions(+), 1 deletion(-)