When passing format strings to the trace function, allow gcc to analyze
those and warn on issues.

Signed-off-by: Norbert Manthey <nmanthey@amazon.de>
Reviewed-by: Thomas Friebel <friebelt@amazon.de>
Reviewed-by: Julien Grall <jgrall@amazon.co.uk>

---
 tools/xenstore/xenstored_core.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/xenstore/xenstored_core.h b/tools/xenstore/xenstored_core.h
--- a/tools/xenstore/xenstored_core.h
+++ b/tools/xenstore/xenstored_core.h
@@ -217,7 +217,7 @@ int delay_request(struct connection *conn, struct buffered_data *in,
 /* Tracing infrastructure. */
 void trace_create(const void *data, const char *type);
 void trace_destroy(const void *data, const char *type);
-void trace(const char *fmt, ...);
+void trace(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
 void dtrace_io(const struct connection *conn, const struct buffered_data *data, int out);
 void reopen_log(void);
 void close_log(void);
-- 
2.17.1




Amazon Development Center Germany GmbH
Krausenstr. 38
10117 Berlin
Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss
Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B
Sitz: Berlin
Ust-ID: DE 289 237 879

On 26.02.21 15:41, Norbert Manthey wrote:
> When passing format strings to the trace function, allow gcc to analyze
> those and warn on issues.
> 
> Signed-off-by: Norbert Manthey <nmanthey@amazon.de>
> Reviewed-by: Thomas Friebel <friebelt@amazon.de>
> Reviewed-by: Julien Grall <jgrall@amazon.co.uk>

Reviewed-by: Juergen Gross <jgross@suse.com>


Juergen

Norbert Manthey writes ("[PATCH XENSTORE v1 03/10] xenstore: check formats of trace"):
> When passing format strings to the trace function, allow gcc to analyze
> those and warn on issues.
> 
> Signed-off-by: Norbert Manthey <nmanthey@amazon.de>
> Reviewed-by: Thomas Friebel <friebelt@amazon.de>
> Reviewed-by: Julien Grall <jgrall@amazon.co.uk>

Release-Acked-by: Ian Jackson <iwj@xenproject.org>