From 43b1daf325a44c400dcc989a5560d4f93e8df202 Mon Sep 17 00:00:00 2001 From: chenyong Date: Thu, 21 Jan 2021 18:58:57 +0800 Subject: [PATCH] [utilities][ulog] fix ulog backend color log length calculation error Signed-off-by: chenyong --- components/utilities/ulog/ulog.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/components/utilities/ulog/ulog.c b/components/utilities/ulog/ulog.c index 8be20ae115..5fcc40ac07 100644 --- a/components/utilities/ulog/ulog.c +++ b/components/utilities/ulog/ulog.c @@ -408,7 +408,11 @@ void ulog_output_to_all_backend(rt_uint32_t level, const char *tag, rt_bool_t is else { /* recalculate the log start address and log size when backend not supported color */ - rt_size_t color_info_len = rt_strlen(color_output_info[level]), output_size = size; + rt_size_t color_info_len = 0, output_size = size; + + if (color_output_info[level] != RT_NULL) + color_info_len = rt_strlen(color_output_info[level]); + if (color_info_len) { rt_size_t color_hdr_len = rt_strlen(CSI_START) + color_info_len;