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fix uninitialized variable in new __res_msend dns function
[musl]
/
src
/
math
/
__fpclassifyl.c
diff --git
a/src/math/__fpclassifyl.c
b/src/math/__fpclassifyl.c
index
e4d231b
..
6dc1002
100644
(file)
--- a/
src/math/__fpclassifyl.c
+++ b/
src/math/__fpclassifyl.c
@@
-5,26
+5,28
@@
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
int __fpclassifyl(long double x)
{
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
int __fpclassifyl(long double x)
{
- union ldshape u = {
x
};
- int e = u.
bits.exp
;
- i
f (!e) {
- if (u.bits.m >> 63) return FP_NAN;
-
else if (u.bits.m) return FP_SUBNORMAL
;
- else return FP_ZERO;
- }
+ union ldshape u = {
x
};
+ int e = u.
i.se & 0x7fff
;
+ i
nt msb = u.i.m>>63;
+ if (!e && !msb)
+
return u.i.m ? FP_SUBNORMAL : FP_ZERO
;
+ if (!msb)
+ return FP_NAN;
if (e == 0x7fff)
if (e == 0x7fff)
- return u.
bits.m & (uint64_t)-1>>
1 ? FP_NAN : FP_INFINITE;
- return
u.bits.m & (uint64_t)1<<63 ? FP_NORMAL : FP_NAN
;
+ return u.
i.m <<
1 ? FP_NAN : FP_INFINITE;
+ return
FP_NORMAL
;
}
#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
int __fpclassifyl(long double x)
{
}
#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
int __fpclassifyl(long double x)
{
- union ldshape u = {
x
};
- int e = u.
bits.exp
;
+ union ldshape u = {
x
};
+ int e = u.
i.se & 0x7fff
;
if (!e)
if (!e)
- return u.bits.mlo | u.bits.mhi ? FP_SUBNORMAL : FP_ZERO;
- if (e == 0x7fff)
- return u.bits.mlo | u.bits.mhi ? FP_NAN : FP_INFINITE;
+ return u.i2.lo | u.i2.hi ? FP_SUBNORMAL : FP_ZERO;
+ if (e == 0x7fff) {
+ u.i.se = 0;
+ return u.i2.lo | u.i2.hi ? FP_NAN : FP_INFINITE;
+ }
return FP_NORMAL;
}
#endif
return FP_NORMAL;
}
#endif