svn commit: r305369 - stable/10/lib/libc/stdio
Andrey A. Chernov
ache at FreeBSD.org
Sun Sep 4 00:34:17 UTC 2016
Author: ache
Date: Sun Sep 4 00:34:15 2016
New Revision: 305369
URL: https://svnweb.freebsd.org/changeset/base/305369
Log:
MFC r305219
If error happens, don't overwrite original errno comes from __mbrtowc()
and __srefill().
Modified:
stable/10/lib/libc/stdio/fgetwc.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/lib/libc/stdio/fgetwc.c
==============================================================================
--- stable/10/lib/libc/stdio/fgetwc.c Sun Sep 4 00:29:48 2016 (r305368)
+++ stable/10/lib/libc/stdio/fgetwc.c Sun Sep 4 00:34:15 2016 (r305369)
@@ -84,9 +84,10 @@ __fgetwc_mbs(FILE *fp, mbstate_t *mbs, i
return (WEOF);
do {
nconv = l->__mbrtowc(&wc, fp->_p, fp->_r, mbs);
- if (nconv == (size_t)-1)
- break;
- else if (nconv == (size_t)-2)
+ if (nconv == (size_t)-1) {
+ fp->_flags |= __SERR;
+ return (WEOF);
+ } else if (nconv == (size_t)-2)
continue;
else if (nconv == 0) {
fp->_p++;
@@ -100,7 +101,9 @@ __fgetwc_mbs(FILE *fp, mbstate_t *mbs, i
return (wc);
}
} while (__srefill(fp) == 0);
- fp->_flags |= __SERR;
- errno = EILSEQ;
+ if (__sfeof(fp)) {
+ fp->_flags |= __SERR;
+ errno = EILSEQ;
+ }
return (WEOF);
}
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