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In > LONG_MAX test use sseek return value and not _offset which can be not

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ache 2001-10-25 22:56:04 +00:00
parent 6c4623e897
commit 7f305ae939
1 changed files with 4 additions and 3 deletions
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7
lib/libc/stdio/fseek.c
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@ -110,7 +110,7 @@ _fseeko(fp, offset, whence, ltest)
int ltest;
{
register fpos_t (*seekfn) __P((void *, fpos_t, int));
fpos_t target, curoff;
fpos_t target, curoff, ret;
size_t n;
struct stat st;
int havepos;
@ -295,7 +295,8 @@ abspos:
* do it. Allow the seek function to change fp->_bf._base.
*/
dumb:
if (__sflush(fp) || _sseek(fp, (fpos_t)offset, whence) == POS_ERR)
if (__sflush(fp) ||
(ret = _sseek(fp, (fpos_t)offset, whence)) == POS_ERR)
return (-1);
/* success: clear EOF indicator and discard ungetc() data */
if (HASUB(fp))
@ -304,7 +305,7 @@ dumb:
fp->_r = 0;
/* fp->_w = 0; */ /* unnecessary (I think...) */
fp->_flags &= ~__SEOF;
if (ltest && fp->_offset > LONG_MAX) {
if (ltest && ret > LONG_MAX) {
fp->_flags |= __SERR;
errno = EOVERFLOW;
return (-1);