Fix tests for cygwin again

Author: 500-internal-server-error

libc-test/build.rs

@@ -592,6 +592,7 @@ fn test_cygwin(target: &str) {
         "spawn.h",
         "stddef.h",
         "stdlib.h",
+        "stdio.h",
         "string.h",
         "sys/cpuset.h",
         "sys/ioctl.h",
@@ -614,6 +615,7 @@ fn test_cygwin(target: &str) {
         "termios.h",
         "unistd.h",
         "utime.h",
+        "utmpx.h",
         "wait.h",
         "wchar.h",
     );

src/unix/cygwin/mod.rs

@@ -509,6 +509,18 @@ s_no_extra_traits! {
         pub ifc_len: c_int,
         pub ifc_ifcu: __c_anonymous_ifc_ifcu,
     }
+
+    pub struct utmpx {
+        pub ut_type: c_short,
+        pub ut_pid: pid_t,
+        pub ut_line: [c_char; UT_LINESIZE],
+        pub ut_id: [c_char; UT_IDLEN],
+        pub ut_time: time_t,
+        pub ut_user: [c_char; UT_NAMESIZE],
+        pub ut_host: [c_char; UT_HOSTSIZE],
+        pub ut_addr: c_long,
+        pub ut_tv: timeval,
+    }
 }
 
 impl siginfo_t {
@@ -981,20 +993,6 @@ pub const LOGIN_PROCESS: c_short = 6;
 pub const USER_PROCESS: c_short = 7;
 pub const DEAD_PROCESS: c_short = 8;
 
-#[derive(Debug, Copy, Clone)]
-#[repr(C)]
-pub struct utmpx {
-    pub ut_type: c_short,
-    pub ut_pid: pid_t,
-    pub ut_line: [c_char; UT_LINESIZE],
-    pub ut_id: [c_char; UT_IDLEN],
-    pub ut_time: time_t,
-    pub ut_user: [c_char; UT_NAMESIZE],
-    pub ut_host: [c_char; UT_NAMESIZE],
-    pub ut_addr: c_long,
-    pub ut_tv: timeval,
-}
-
 pub const POLLIN: c_short = 0x1;
 pub const POLLPRI: c_short = 0x2;
 pub const POLLOUT: c_short = 0x4;