Define _XOPEN_SOURCE to access some libc functions on Linux

2019-08-10 01:02:59 +03:00 · 2019-08-10 01:02:59 +03:00 · be3c93e2b8
parent 08027cac9b
commit be3c93e2b8
3 changed files with 6 additions and 0 deletions
--- a/c/string.c
+++ b/c/string.c
@ -2,6 +2,8 @@
  string functions
 */

+#define _XOPEN_SOURCE
+
 #include <sys/types.h>
 #include <sys/time.h>

--- a/c/time_unix.c
+++ b/c/time_unix.c
@ -1,3 +1,5 @@
+#define _XOPEN_SOURCE
+
 #include <sys/poll.h>
 #include <sys/time.h>

--- a/c/utf8.c
+++ b/c/utf8.c
@ -13,6 +13,8 @@
  A UTF-8 validation routine is included.
 */

+#define _XOPEN_SOURCE
+
 #include <assert.h>
 #include <stdarg.h>
 #include <stddef.h>