Better size-safe checking for integer widths.

[pdclib] / functions / stdlib / strtoll.c

diff --git a/functions/stdlib/strtoll.c b/functions/stdlib/strtoll.c
index b4476915b0a6b7c29fff1c17a8d8fa694746d01f..41640a159e074a632540410f805a1b72026bf2a5 100644 (file)
--- a/functions/stdlib/strtoll.c
+++ b/functions/stdlib/strtoll.c
@@ -88,7 +88,7 @@ int main( void )
     /* for one-complement and signed magnitude just as well. Anyone having */
     /* a platform to test this on?                                         */
     errno = 0;
-#if LLONG_MAX == 0x7fffffffffffffffLL
+#if LLONG_MAX >> 62 == 1
     /* testing "even" overflow, i.e. base is power of two */
     TESTCASE( strtoll( "9223372036854775807", NULL, 0 ) == 0x7fffffffffffffff );
     TESTCASE( errno == 0 );
@@ -102,7 +102,7 @@ int main( void )
     TESTCASE( strtoll( "-9223372036854775809", NULL, 0 ) == LLONG_MIN );
     TESTCASE( errno == ERANGE );
     /* TODO: test "odd" overflow, i.e. base is not power of two */
-#elif LLONG_MAX == 0x7fffffffffffffffffffffffffffffffLL
+#elif LLONG_MAX >> 126 == 1
     /* testing "even" overflow, i.e. base is power of two */
     TESTCASE( strtoll( "170141183460469231731687303715884105728", NULL, 0 ) == 0x7fffffffffffffffffffffffffffffff );
     TESTCASE( errno == 0 );