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| author | pfg <pfg@FreeBSD.org> | 2014-08-03 18:28:10 +0000 |
|---|---|---|
| committer | pfg <pfg@FreeBSD.org> | 2014-08-03 18:28:10 +0000 |
| commit | 5c8726d1b258dd69e1f906f463c2bcc65c1b64a5 (patch) | |
| tree | fffeed563f0bdf924883b06dc4de075adb02c829 /lib/libc/stdio/vfprintf.c | |
| parent | eabfc5bd75e50f98ad4963ab269825213771c398 (diff) | |
| download | FreeBSD-src-5c8726d1b258dd69e1f906f463c2bcc65c1b64a5.zip FreeBSD-src-5c8726d1b258dd69e1f906f463c2bcc65c1b64a5.tar.gz | |
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/vfprintf.c')
| -rw-r--r-- | lib/libc/stdio/vfprintf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c index ea47d36..e54e8ac 100644 --- a/lib/libc/stdio/vfprintf.c +++ b/lib/libc/stdio/vfprintf.c @@ -455,8 +455,10 @@ __vfprintf(FILE *fp, locale_t locale, const char *fmt0, va_list ap) return (__xvprintf(fp, fmt0, ap)); /* sorry, fprintf(read_only_file, "") returns EOF, not 0 */ - if (prepwrite(fp) != 0) + if (prepwrite(fp) != 0) { + errno = EBADF; return (EOF); + } convbuf = NULL; fmt = (char *)fmt0; |
