[Libguestfs] [PATCH nbdkit v3 1/5] filters: stats: Add maybe() helper

Returns non-null string or "(n/a)". --- filters/stats/stats.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/filters/stats/stats.c b/filters/stats/stats.c index 6e48017..44f3379 100644 --- a/filters/stats/stats.c +++ b/filters/stats/stats.c @@ -94,6 +94,12 @@ humansize (uint64_t bytes) return ret; } +static inline const char * +maybe (char *s) +{ + return s ? s : "(n/a)"; +} + static void print_stat (const stat *st, int64_t usecs) { @@ -104,8 +110,7 @@ print_stat (const stat *st, int64_t usecs) humansize (st->bytes / (usecs / 1000000.0)) : NULL; fprintf (fp, "%s: %" PRIu64 " ops, %s, %s/s\n", - st->name, st->ops, - size ? size : "(n/a)", rate ? rate : "(n/a)"); + st->name, st->ops, maybe (size), maybe (rate)); free (size); free (rate); -- 2.21.0