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| author | pfg <pfg@FreeBSD.org> | 2014-07-20 21:24:29 +0000 |
|---|---|---|
| committer | pfg <pfg@FreeBSD.org> | 2014-07-20 21:24:29 +0000 |
| commit | 4116752e681819b04fba157cf62b81c7432011ee (patch) | |
| tree | 7c1f5231a148a0b9e1489646eb32f94be3a5e8b7 /lib/libc/stdio/wbuf.c | |
| parent | d83317ec90360b529ba9e0ef55d6a089c2a0dfac (diff) | |
| download | FreeBSD-src-4116752e681819b04fba157cf62b81c7432011ee.zip FreeBSD-src-4116752e681819b04fba157cf62b81c7432011ee.tar.gz | |
Adjust errno on failed prepwrite.
Obtained from: Apple Inc. (Libc 997.90.3)
Phabric: D442
MFC after: 1 week
Diffstat (limited to 'lib/libc/stdio/wbuf.c')
| -rw-r--r-- | lib/libc/stdio/wbuf.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libc/stdio/wbuf.c b/lib/libc/stdio/wbuf.c index 3f697e2..5bc3c4d 100644 --- a/lib/libc/stdio/wbuf.c +++ b/lib/libc/stdio/wbuf.c @@ -36,6 +36,7 @@ static char sccsid[] = "@(#)wbuf.c 8.1 (Berkeley) 6/4/93"; #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +#include <errno.h> #include <stdio.h> #include "local.h" @@ -59,8 +60,10 @@ __swbuf(int c, FILE *fp) * calls might wrap _w from negative to positive. */ fp->_w = fp->_lbfsize; - if (prepwrite(fp) != 0) + if (prepwrite(fp) != 0) { + errno = EBADF; return (EOF); + } c = (unsigned char)c; ORIENT(fp, -1); |
