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authorpfg <pfg@FreeBSD.org>2014-08-03 18:28:10 +0000
committerpfg <pfg@FreeBSD.org>2014-08-03 18:28:10 +0000
commit5c8726d1b258dd69e1f906f463c2bcc65c1b64a5 (patch)
treefffeed563f0bdf924883b06dc4de075adb02c829 /lib/libc/stdio/rewind.c
parenteabfc5bd75e50f98ad4963ab269825213771c398 (diff)
downloadFreeBSD-src-5c8726d1b258dd69e1f906f463c2bcc65c1b64a5.zip
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MFC r268926, r268930, r268983:
Use a correct errno in freopen. Use EBADF instead of EINVAL when working around incorrect O_ACCMODE. Adjust errno on failed prepwrite. rewind: always clear error indicator as required by POSIX. Obtained from: Apple Inc. (Libc 997.90.3) Phabric: D442
Diffstat (limited to 'lib/libc/stdio/rewind.c')
-rw-r--r--lib/libc/stdio/rewind.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/libc/stdio/rewind.c b/lib/libc/stdio/rewind.c
index ff4c907..133e3f4 100644
--- a/lib/libc/stdio/rewind.c
+++ b/lib/libc/stdio/rewind.c
@@ -53,9 +53,8 @@ rewind(FILE *fp)
__sinit();
FLOCKFILE(fp);
- if (_fseeko(fp, (off_t)0, SEEK_SET, 1) == 0) {
- clearerr_unlocked(fp);
+ if (_fseeko(fp, (off_t)0, SEEK_SET, 1) == 0)
errno = serrno;
- }
+ clearerr_unlocked(fp); /* POSIX: clear stdio error regardless */
FUNLOCKFILE(fp);
}
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