grn_rc
grn_timeval2str(grn_ctx *ctx, grn_timeval *tv, char *buf, size_t buf_size)
{
struct tm tm;
struct tm *ltm;
ltm = grn_timeval2tm(ctx, tv, &tm);
grn_snprintf(buf, buf_size, GRN_TIMEVAL_STR_SIZE,
GRN_TIMEVAL_STR_FORMAT,
ltm->tm_year + 1900, ltm->tm_mon + 1, ltm->tm_mday,
ltm->tm_hour, ltm->tm_min, ltm->tm_sec,
(int)(GRN_TIME_NSEC_TO_USEC(tv->tv_nsec)));
if (buf_size > GRN_TIMEVAL_STR_SIZE) {
buf[GRN_TIMEVAL_STR_SIZE - 1] = '\0';
} else {
buf[buf_size - 1] = '\0';
}
return ctx->rc;
}
static void
rotate_log_file(grn_ctx *ctx, const char *current_path)
{
char rotated_path[PATH_MAX];
grn_timeval now;
struct tm tm_buffer;
struct tm *tm;
grn_timeval_now(ctx, &now);
tm = grn_timeval2tm(ctx, &now, &tm_buffer);
grn_snprintf(rotated_path, PATH_MAX, PATH_MAX,
"%s.%04d-%02d-%02d-%02d-%02d-%02d-%06d",
current_path,
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
(int)(GRN_TIME_NSEC_TO_USEC(now.tv_nsec)));
rename(current_path, rotated_path);
}