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prevent CNAME/PTR parsing from reading data past the response end
[musl]
/
src
/
math
/
nexttowardf.c
diff --git
a/src/math/nexttowardf.c
b/src/math/nexttowardf.c
index
8648be6
..
bbf172f
100644
(file)
--- a/
src/math/nexttowardf.c
+++ b/
src/math/nexttowardf.c
@@
-2,35
+2,34
@@
float nexttowardf(float x, long double y)
{
float nexttowardf(float x, long double y)
{
- union
fshape ux
;
+ union
{float f; uint32_t i;} ux = {x}
;
uint32_t e;
if (isnan(x) || isnan(y))
return x + y;
if (x == y)
return y;
uint32_t e;
if (isnan(x) || isnan(y))
return x + y;
if (x == y)
return y;
- ux.value = x;
if (x == 0) {
if (x == 0) {
- ux.
bits
= 1;
+ ux.
i
= 1;
if (signbit(y))
if (signbit(y))
- ux.
bits
|= 0x80000000;
+ ux.
i
|= 0x80000000;
} else if (x < y) {
if (signbit(x))
} else if (x < y) {
if (signbit(x))
- ux.
bits
--;
+ ux.
i
--;
else
else
- ux.
bits
++;
+ ux.
i
++;
} else {
if (signbit(x))
} else {
if (signbit(x))
- ux.
bits
++;
+ ux.
i
++;
else
else
- ux.
bits
--;
+ ux.
i
--;
}
}
- e = ux.
bits
& 0x7f800000;
- /* raise overflow if ux.
value
is infinite and x is finite */
+ e = ux.
i
& 0x7f800000;
+ /* raise overflow if ux.
f
is infinite and x is finite */
if (e == 0x7f800000)
if (e == 0x7f800000)
-
return x + x
;
- /* raise underflow if ux.
value
is subnormal or zero */
+
FORCE_EVAL(x+x)
;
+ /* raise underflow if ux.
f
is subnormal or zero */
if (e == 0)
if (e == 0)
- FORCE_EVAL(x*x + ux.
value*ux.value
);
- return ux.
value
;
+ FORCE_EVAL(x*x + ux.
f*ux.f
);
+ return ux.
f
;
}
}