Add per-platform file-open flags to std.os. Open buffers as desired in std._io.

1 files changed, 16 insertions, 1 deletions

diff --git a/src/lib/win32_os.rs b/src/lib/win32_os.rs
index f770a5de..3d8e5f3a 100644
--- a/src/lib/win32_os.rs
+++ b/src/lib/win32_os.rs
@@ -2,8 +2,23 @@ import _str.sbuf;
 import _vec.vbuf;
 
 native mod libc = "msvcrt.dll" {
-  fn open(sbuf s, int flags) -> int = "_open";
+  fn open(sbuf s, int flags, uint mode) -> int = "_open";
   fn read(int fd, vbuf buf, uint count) -> int = "_read";
   fn write(int fd, vbuf buf, uint count) -> int = "_write";
   fn close(int fd) -> int = "_close";
 }
+
+mod libc_constants {
+  fn O_RDONLY() -> int { ret 0x0000; }
+  fn O_WRONLY() -> int { ret 0x0001; }
+  fn O_RDWR()   -> int { ret 0x0002; }
+  fn O_APPEND() -> int { ret 0x0400; }
+  fn O_CREAT()  -> int { ret 0x0040; }
+  fn O_EXCL()   -> int { ret 0x0080; }
+  fn O_TRUNC()  -> int { ret 0x0200; }
+  fn O_TEXT()   -> int { ret 0x4000; }
+  fn O_BINARY() -> int { ret 0x8000; }
+
+  fn S_IRUSR() -> uint { ret 0x0100u; } // really _S_IREAD  in win32
+  fn S_IWUSR() -> uint { ret 0x0080u; } // really _S_IWRITE in win32
+}