From: "Steven Rostedt (Google)" <rostedt@xxxxxxxxxxx>
In parsing the print fmt parameters, the code currently treats both single
and double quotes the same. But they are not. Double quotes represent
strings and single quotes represent characters.
A character could be used as a number as well, so it needs to be treated
as such.
Link: https://lore.kernel.org/all/20240315174900.14418f22@booty/
Fixes: 6582b0aea1cc ("tools/events: Add files to create libtraceevent.a")
Reported-by: Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx>
Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
---
src/event-parse.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/src/event-parse.c b/src/event-parse.c
index d607556ea1a9..61b09662f28f 100644
--- a/src/event-parse.c
+++ b/src/event-parse.c
@@ -3732,8 +3732,19 @@ process_arg_token(struct tep_event *event, struct tep_print_arg *arg,
arg->atom.atom = atom;
break;
- case TEP_EVENT_DQUOTE:
case TEP_EVENT_SQUOTE:
+ arg->type = TEP_PRINT_ATOM;
+ /* Make characters into numbers */
+ if (asprintf(&arg->atom.atom, "%d", token[0]) < 0) {
+ free_token(token);
+ *tok = NULL;
+ arg->atom.atom = NULL;
+ return TEP_EVENT_ERROR;
+ }
+ free_token(token);
+ type = read_token_item(event->tep, &token);
+ break;
+ case TEP_EVENT_DQUOTE:
arg->type = TEP_PRINT_ATOM;
arg->atom.atom = token;
type = read_token_item(event->tep, &token);
--
2.43.0
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