From c486885ecda309759144ebad16ec4afd566e0bee Mon Sep 17 00:00:00 2001 From: Jakob Kaivo Date: Wed, 12 Aug 2020 19:13:56 -0400 Subject: prevent prepocessor comparisons against empty tokens --- pwd.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'pwd.h') diff --git a/pwd.h b/pwd.h index 870d482..cb0b2d0 100644 --- a/pwd.h +++ b/pwd.h @@ -27,6 +27,11 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +#if defined _XOPEN_SOURCE && _XOPEN_SOURCE - 1 < 0 +#undef _XOPEN_SOURCE +#define _XOPEN_SOURCE 400 +#endif + #if defined _XOPEN_SOURCE && !defined _POSIX_C_SOURCE # if (_XOPEN_SOURCE >= 700) # define _POSIX_C_SOURCE 200809L @@ -35,6 +40,8 @@ SOFTWARE. # elif (_XOPEN_SOURCE >= 500) # define _POSIX_C_SOURCE 199506L # else +# undef _XOPEN_SOURCE +# define _XOPEN_SOURCE 400 # define _POSIX_C_SOURCE 2 # endif #endif -- cgit v1.2.1