libtraceevent: Allow function parameters to have operators
It is perfectly fine if a function parameter has operators. Parse them
properly.
Link: https://lore.kernel.org/linux-trace-devel/20221213221913.0cc8e17c@gandalf.local.home
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
diff --git a/src/event-parse.c b/src/event-parse.c
index 8ec95a2..1aeed95 100644
--- a/src/event-parse.c
+++ b/src/event-parse.c
@@ -2570,19 +2570,31 @@
type = process_arg(event, field, &token);
- if (test_type_token(type, token, TEP_EVENT_DELIM, next_token)) {
- errno = EINVAL;
- ret = -1;
- free_arg(field);
- goto out_free_token;
+ /* We do allow operators */
+ if (type == TEP_EVENT_OP) {
+ type = process_op(event, field, &token);
+
+ if (consolidate_op_arg(field) < 0)
+ type = TEP_EVENT_ERROR;
+
+ if (type == TEP_EVENT_ERROR)
+ goto out_error;
}
+ if (test_type_token(type, token, TEP_EVENT_DELIM, next_token))
+ goto out_error;
+
*print_arg = field;
out_free_token:
free_token(token);
return ret;
+out_error:
+ errno = EINVAL;
+ ret = -1;
+ free_arg(field);
+ goto out_free_token;
}
static char *arg_eval (struct tep_print_arg *arg);