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Remove even more unneded checks, original code can't overflows in that place

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This commit is contained in:
Andrey A. Chernov 2001-09-01 15:01:37 +00:00
parent 4fd8a4cf24
commit d911eb4536
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=82742
1 changed files with 1 additions and 5 deletions
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6
lib/libc/stdio/fseek.c
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@ -232,8 +232,6 @@ _fseeko(fp, offset, whence, ltest)
* file offset for the first byte in the current input buffer.
*/
if (HASUB(fp)) {
if (curoff > 0 && fp->_r > OFF_MAX - curoff)
goto abspos;
curoff += fp->_r; /* kill off ungetc */
n = fp->_extra->_up - fp->_bf._base;
curoff -= n;
@ -249,9 +247,7 @@ _fseeko(fp, offset, whence, ltest)
* simply adjust the pointers, clear EOF, undo ungetc(),
* and return.
*/
if (target >= curoff &&
(curoff <= 0 || n <= OFF_MAX - curoff) &&
target < curoff + n) {
if (target >= curoff && target < curoff + n) {
size_t o = target - curoff;
fp->_p = fp->_bf._base + o;