prevent CNAME/PTR parsing from reading data past the response end

[musl] / src / complex / casin.c

diff --git a/src/complex/casin.c b/src/complex/casin.c
index dfdda98..3244beb 100644 (file)
--- a/src/complex/casin.c
+++ b/src/complex/casin.c
@@ -1,4 +1,4 @@
-#include "libm.h"
+#include "complex_impl.h"
 
 // FIXME
 
@@ -12,5 +12,6 @@ double complex casin(double complex z)
        x = creal(z);
        y = cimag(z);
        w = CMPLX(1.0 - (x - y)*(x + y), -2.0*x*y);
-       return clog(CMPLX(-y, x) + csqrt(w));
+       double complex r = clog(CMPLX(-y, x) + csqrt(w));
+       return CMPLX(cimag(r), -creal(r));
 }