diff options
Diffstat (limited to 'lib/strftime.c')
-rw-r--r-- | lib/strftime.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/strftime.c b/lib/strftime.c index 213ced860de..c82d585bfa1 100644 --- a/lib/strftime.c +++ b/lib/strftime.c @@ -208,7 +208,14 @@ extern char *tzname[]; else if (to_uppcase) \ fwrite_uppcase (p, (s), _n); \ else \ - fwrite (s, _n, 1, p); \ + { \ + /* Ignore the value of fwrite. The caller can determine whether \ + an error occured by inspecting ferror (P). All known fwrite \ + implementations set the stream's error indicator when they \ + fail due to ENOMEM etc., even though C11 and POSIX.1-2008 do \ + not require this. */ \ + fwrite (s, _n, 1, p); \ + } \ } \ while (0) \ ) |