X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Finttypes%2Fstrtoumax.c;h=9c9833eda92bd367d462f734e1fde975abf0c9b8;hb=3c7e677c7a6b43ce8bd12021e0af280f08009777;hp=0da7ec2889f31fffb2f510287e61a5d8dd5ad30c;hpb=45f394553721285e7bc6187419613c33915cce21;p=pdclib diff --git a/functions/inttypes/strtoumax.c b/functions/inttypes/strtoumax.c old mode 100755 new mode 100644 index 0da7ec2..9c9833e --- a/functions/inttypes/strtoumax.c +++ b/functions/inttypes/strtoumax.c @@ -76,14 +76,16 @@ int main( void ) TESTCASE( strtoumax( overflow, &endptr, 0 ) == 0 ); TESTCASE( endptr == overflow ); errno = 0; -#if UINTMAX_MAX == 0xffffffffffffffffLL +/* uintmax_t -> long long -> 64 bit */ +#if UINTMAX_MAX >> 63 == 1 /* testing "even" overflow, i.e. base is power of two */ TESTCASE( strtoumax( "18446744073709551615", NULL, 0 ) == UINTMAX_MAX ); TESTCASE( errno == 0 ); TESTCASE( strtoumax( "18446744073709551616", NULL, 0 ) == UINTMAX_MAX ); TESTCASE( errno == ERANGE ); /* TODO: test "odd" overflow, i.e. base is not power of two */ -#elif UINTMAX_MAX == 0xffffffffffffffffffffffffffffffffLL +/* uintmax_t -> long long -> 128 bit */ +#elif UINTMAX_MAX >> 127 == 1 /* testing "even" overflow, i.e. base is power of two */ TESTCASE( strtoumax( "340282366920938463463374607431768211455", NULL, 0 ) == UINTMAX_MAX ); TESTCASE( errno == 0 );