diff options
Diffstat (limited to 'libc/libio/iofwrite_u.c')
| -rw-r--r-- | libc/libio/iofwrite_u.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/libc/libio/iofwrite_u.c b/libc/libio/iofwrite_u.c index 4a9d6caa0..18dc6d032 100644 --- a/libc/libio/iofwrite_u.c +++ b/libc/libio/iofwrite_u.c @@ -44,12 +44,12 @@ fwrite_unlocked (buf, size, count, fp) if (_IO_fwide (fp, -1) == -1) { written = _IO_sputn (fp, (const char *) buf, request); - /* We are guaranteed to have written all of the input, none of it, or - some of it. */ - if (written == request) + /* We have written all of the input in case the return value indicates + this or EOF is returned. The latter is a special case where we + simply did not manage to flush the buffer. But the data is in the + buffer and therefore written as far as fwrite is concerned. */ + if (written == request || written == EOF) return count; - else if (written == EOF) - return 0; } return written / size; |