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-rw-r--r--wcsmbs/wcstold.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/wcsmbs/wcstold.c b/wcsmbs/wcstold.c
index 4cb68af1f8..c94d47ea4f 100644
--- a/wcsmbs/wcstold.c
+++ b/wcsmbs/wcstold.c
@@ -27,5 +27,12 @@
 #define	MPN2FLOAT	__mpn_construct_long_double
 #define	FLOAT_HUGE_VAL	HUGE_VALL
 #define	USE_WIDE_CHAR	1
+#define SET_MANTISSA(flt, mant) \
+  do { union ieee854_long_double u;					      \
+       u.d = (flt);							      \
+       u.ieee.mantissa0 = ((mant) >> 32) & 0x7fffffff;			      \
+       u.ieee.mantissa1 = (mant) & 0xffffffff;				      \
+       (flt) = u.d;							      \
+  } while (0)
 
 #include "../stdlib/strtod.c"