fix public clone function to be safe and usable by applications

[musl] / src / internal / floatscan.c

diff --git a/src/internal/floatscan.c b/src/internal/floatscan.c
index 278bf25..8c0828f 100644 (file)
--- a/src/internal/floatscan.c
+++ b/src/internal/floatscan.c
@@ -33,9 +33,6 @@
 
 #define MASK (KMAX-1)
 
-#define CONCAT2(x,y) x ## y
-#define CONCAT(x,y) CONCAT2(x,y)
-
 static long long scanexp(FILE *f, int pok)
 {
        int c;
@@ -301,7 +298,7 @@ static long double decfloat(FILE *f, int c, int bits, int emin, int sign, int po
        y -= bias;
 
        if ((e2+LDBL_MANT_DIG & INT_MAX) > emax-5) {
-               if (fabs(y) >= CONCAT(0x1p, LDBL_MANT_DIG)) {
+               if (fabsl(y) >= 2/LDBL_EPSILON) {
                        if (denormal && bits==LDBL_MANT_DIG+e2-emin)
                                denormal = 0;
                        y *= 0.5;