When the length of name_in is NAME_ID_SIZE, the last byte of the name and a whitespace will get lost.
Signed-off-by: Lidong Zhong <[email protected]> --- dlm_controld/logging.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/dlm_controld/logging.c b/dlm_controld/logging.c index 9347e43..ea879e8 100644 --- a/dlm_controld/logging.c +++ b/dlm_controld/logging.c @@ -122,7 +122,7 @@ static void log_save_str(int len, char *log_buf, unsigned int *point, void log_level(char *name_in, uint32_t level_in, const char *fmt, ...) { va_list ap; - char name[NAME_ID_SIZE + 1]; + char name[NAME_ID_SIZE + 2]; uint32_t level = level_in & 0x0000FFFF; uint32_t extra = level_in & 0xFFFF0000; int ret, pos = 0; @@ -132,7 +132,7 @@ void log_level(char *name_in, uint32_t level_in, const char *fmt, ...) memset(name, 0, sizeof(name)); if (name_in) - snprintf(name, NAME_ID_SIZE, "%s ", name_in); + snprintf(name, NAME_ID_SIZE + 2, "%s ", name_in); ret = snprintf(log_str + pos, len - pos, "%llu %s", (unsigned long long)monotime(), name); -- 1.8.1.4
