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Fix bug in off_t overflow checking: if fp->_offset overflows, just remove

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__SOFF flag (i.e. we don't have offset) instead of returning EOVERFLOW.
It allows again continious reading from non-stop stream.
This commit is contained in:
Andrey A. Chernov 2001-09-02 19:52:09 +00:00
parent 890bbd6bda
commit 778d840e50
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=82818
1 changed files with 3 additions and 5 deletions
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8
lib/libc/stdio/refill.c
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@ -142,17 +142,15 @@ __srefill(FILE *fp)
if (fp->_r == 0)
fp->_flags |= __SEOF;
else {
err:
fp->_r = 0;
fp->_flags |= __SERR;
fp->_flags &= ~__SOFF;
}
return (EOF);
} else if (fp->_flags & __SOFF) {
if (fp->_offset > OFF_MAX - fp->_r) {
errno = EOVERFLOW;
goto err;
} else
if (fp->_offset > OFF_MAX - fp->_r)
fp->_flags &= ~__SOFF;
else
fp->_offset += fp->_r;
}
return (0);