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apply an 11 years old fix from FreeBSD:

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if EBADF is returned due to a read from a write-only stream, also
set ferror()
found by a selftest of Python-2.6.6, thanks to obache for pointing
out the details
This commit is contained in:
drochner 2010-09-10 10:29:23 +00:00
parent 51b3e42a8d
commit 927f8fc1e3
1 changed files with 3 additions and 2 deletions
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5
lib/libc/stdio/refill.c
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@ -1,4 +1,4 @@
/* $NetBSD: refill.c,v 1.13 2003/08/07 16:43:30 agc Exp $ */
/* $NetBSD: refill.c,v 1.14 2010/09/10 10:29:23 drochner Exp $ */
/*-
* Copyright (c) 1990, 1993
@ -37,7 +37,7 @@
#if 0
static char sccsid[] = "@(#)refill.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: refill.c,v 1.13 2003/08/07 16:43:30 agc Exp $");
__RCSID("$NetBSD: refill.c,v 1.14 2010/09/10 10:29:23 drochner Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
@ -91,6 +91,7 @@ __srefill(fp)
if ((fp->_flags & __SRD) == 0) {
if ((fp->_flags & __SRW) == 0) {
errno = EBADF;
fp->_flags |= __SERR;
return (EOF);
}
/* switch to reading */