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Message-ID: <20231211140732.11475-19-bpoirier@nvidia.com>
Date: Mon, 11 Dec 2023 09:07:30 -0500
From: Benjamin Poirier <bpoirier@...dia.com>
To: netdev@...r.kernel.org
Cc: Petr Machata <petrm@...dia.com>,
Roopa Prabhu <roopa@...dia.com>
Subject: [PATCH iproute2-next 18/20] json_print: Output to temporary buffer in print_range() only as needed
The string that's formatted in the "end" buffer is only needed when
outputting a range so move the snprintf() call within the condition.
Reviewed-by: Petr Machata <petrm@...dia.com>
Tested-by: Petr Machata <petrm@...dia.com>
Signed-off-by: Benjamin Poirier <bpoirier@...dia.com>
---
lib/json_print.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/lib/json_print.c b/lib/json_print.c
index 072105c0..f38171ff 100644
--- a/lib/json_print.c
+++ b/lib/json_print.c
@@ -377,14 +377,15 @@ int print_color_rate(bool use_iec, enum output_type type, enum color_attr color,
unsigned int print_range(const char *name, __u32 start, __u32 id)
{
- char end[64];
int width;
- snprintf(end, sizeof(end), "%sEnd", name);
-
width = print_uint(PRINT_ANY, name, "%u", start);
- if (start != id)
+ if (start != id) {
+ char end[64];
+
+ snprintf(end, sizeof(end), "%sEnd", name);
width += print_uint(PRINT_ANY, end, "-%u", id);
+ }
return width;
}
--
2.43.0
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