linux-kernel - [PATCH 10/17] libtracefs: Add a parse_error() helper function to record errors

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Date:   Fri, 30 Jul 2021 18:18:17 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-trace-devel@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Tom Zanussi <zanussi@...nel.org>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-rt-users <linux-rt-users@...r.kernel.org>,
        Clark Williams <williams@...hat.com>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>
Subject: [PATCH 10/17] libtracefs: Add a parse_error() helper function to record errors

From: "Steven Rostedt (VMware)" <rostedt@...dmis.org>

Add parse_error() that calls into sql_parse_error() with the appropriate
ap argument. That is, parse_error() takes a normal printf() form and then
translates it to the vprintf from of sql_parse_error.

Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
---
 src/tracefs-sqlhist.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/tracefs-sqlhist.c b/src/tracefs-sqlhist.c
index 887c2441a39e..c0875d630391 100644
--- a/src/tracefs-sqlhist.c
+++ b/src/tracefs-sqlhist.c
@@ -8,6 +8,7 @@
  */
 #include <trace-seq.h>
 #include <stdlib.h>
+#include <stdarg.h>
 #include <errno.h>
 
 #include "tracefs.h"
@@ -153,6 +154,16 @@ __hidden void sql_parse_error(struct sqlhist_bison *sb, const char *text,
 	trace_seq_destroy(&s);
 }
 
+static void parse_error(struct sqlhist_bison *sb, const char *text,
+			const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	sql_parse_error(sb, text, fmt, ap);
+	va_end(ap);
+}
+
 static inline unsigned int quick_hash(const char *str)
 {
 	unsigned int val = 0;
-- 
2.30.2