windows: Fix INVALID_HANDLE_VALUE

Made INVALID_HANDLE_VALUE actually a HANDLE.
Removed all useless casts during INVALID_HANDLE_VALUE comparisons.

Signed-off-by: Peter Atashian <retep998@gmail.com>

3 files changed, 13 insertions, 13 deletions

diff --git a/src/libnative/io/file_win32.rs b/src/libnative/io/file_win32.rs
index a024d498ef3..fe29c024529 100644
--- a/src/libnative/io/file_win32.rs
+++ b/src/libnative/io/file_win32.rs
@@ -320,7 +320,7 @@ pub fn open(path: &CString, fm: rtio::FileMode, fa: rtio::FileAccess)
                           dwFlagsAndAttributes,
                           ptr::mut_null())
     };
-    if handle == libc::INVALID_HANDLE_VALUE as libc::HANDLE {
+    if handle == libc::INVALID_HANDLE_VALUE {
         Err(super::last_error())
     } else {
         let fd = unsafe {
@@ -368,7 +368,7 @@ pub fn readdir(p: &CString) -> IoResult<Vec<CString>> {
         let wfd_ptr = malloc_raw(rust_list_dir_wfd_size() as uint);
         let find_handle = libc::FindFirstFileW(path.as_ptr(),
                                                wfd_ptr as libc::HANDLE);
-        if find_handle as libc::c_int != libc::INVALID_HANDLE_VALUE {
+        if find_handle != libc::INVALID_HANDLE_VALUE {
             let mut paths = vec!();
             let mut more_files = 1 as libc::c_int;
             while more_files != 0 {
@@ -440,7 +440,7 @@ pub fn readlink(p: &CString) -> IoResult<CString> {
                           libc::FILE_ATTRIBUTE_NORMAL,
                           ptr::mut_null())
     };
-    if handle as int == libc::INVALID_HANDLE_VALUE as int {
+    if handle == libc::INVALID_HANDLE_VALUE {
         return Err(super::last_error())
     }
     // Specify (sz - 1) because the documentation states that it's the size
diff --git a/src/libnative/io/pipe_win32.rs b/src/libnative/io/pipe_win32.rs
index 87129bba845..717915e5d23 100644
--- a/src/libnative/io/pipe_win32.rs
+++ b/src/libnative/io/pipe_win32.rs
@@ -223,7 +223,7 @@ impl UnixStream {
                 libc::FILE_FLAG_OVERLAPPED,
                 ptr::mut_null())
         };
-        if result != libc::INVALID_HANDLE_VALUE as libc::HANDLE {
+        if result != libc::INVALID_HANDLE_VALUE {
             return Some(result)
         }
 
@@ -238,7 +238,7 @@ impl UnixStream {
                     libc::FILE_FLAG_OVERLAPPED,
                     ptr::mut_null())
             };
-            if result != libc::INVALID_HANDLE_VALUE as libc::HANDLE {
+            if result != libc::INVALID_HANDLE_VALUE {
                 return Some(result)
             }
         }
@@ -253,7 +253,7 @@ impl UnixStream {
                     libc::FILE_FLAG_OVERLAPPED,
                     ptr::mut_null())
             };
-            if result != libc::INVALID_HANDLE_VALUE as libc::HANDLE {
+            if result != libc::INVALID_HANDLE_VALUE {
                 return Some(result)
             }
         }
@@ -565,7 +565,7 @@ impl UnixListener {
         // and such.
         let addr_v = try!(to_utf16(addr));
         let ret = unsafe { pipe(addr_v.as_ptr(), true) };
-        if ret == libc::INVALID_HANDLE_VALUE as libc::HANDLE {
+        if ret == libc::INVALID_HANDLE_VALUE {
             Err(super::last_error())
         } else {
             Ok(UnixListener { handle: ret, name: addr.clone() })
@@ -680,7 +680,7 @@ impl UnixAcceptor {
         // create a second server pipe. If this fails, we disconnect the
         // connected client and return an error (see comments above).
         let new_handle = unsafe { pipe(name.as_ptr(), false) };
-        if new_handle == libc::INVALID_HANDLE_VALUE as libc::HANDLE {
+        if new_handle == libc::INVALID_HANDLE_VALUE {
             let ret = Err(super::last_error());
             // If our disconnection fails, then there's not really a whole lot
             // that we can do, so fail the task.
diff --git a/src/libnative/io/process.rs b/src/libnative/io/process.rs
index c89a40d6513..d83e36a5e2a 100644
--- a/src/libnative/io/process.rs
+++ b/src/libnative/io/process.rs
@@ -359,13 +359,13 @@ fn spawn_process_os(cfg: ProcessConfig,
                                               libc::OPEN_EXISTING,
                                               0,
                                               ptr::mut_null());
-                    if *slot == INVALID_HANDLE_VALUE as libc::HANDLE {
+                    if *slot == INVALID_HANDLE_VALUE {
                         return Err(super::last_error())
                     }
                 }
                 Some(ref fd) => {
                     let orig = get_osfhandle(fd.fd()) as HANDLE;
-                    if orig == INVALID_HANDLE_VALUE as HANDLE {
+                    if orig == INVALID_HANDLE_VALUE {
                         return Err(super::last_error())
                     }
                     if DuplicateHandle(cur_proc, orig, cur_proc, slot,
@@ -450,9 +450,9 @@ fn zeroed_startupinfo() -> libc::types::os::arch::extra::STARTUPINFO {
         wShowWindow: 0,
         cbReserved2: 0,
         lpReserved2: ptr::mut_null(),
-        hStdInput: libc::INVALID_HANDLE_VALUE as libc::HANDLE,
-        hStdOutput: libc::INVALID_HANDLE_VALUE as libc::HANDLE,
-        hStdError: libc::INVALID_HANDLE_VALUE as libc::HANDLE,
+        hStdInput: libc::INVALID_HANDLE_VALUE,
+        hStdOutput: libc::INVALID_HANDLE_VALUE,
+        hStdError: libc::INVALID_HANDLE_VALUE,
     }
 }