1 files changed, 101 insertions, 0 deletions
diff --git a/ocaml-binary-annot/otherlibs/win32unix/write.c b/ocaml-binary-annot/otherlibs/win32unix/write.c
new file mode 100644
index 0000000000..190d902539
--- /dev/null
+++ b/ocaml-binary-annot/otherlibs/win32unix/write.c
@@ -0,0 +1,101 @@
+/***********************************************************************/
+/*                                                                     */
+/*                           Objective Caml                            */
+/*                                                                     */
+/*            Xavier Leroy, projet Cristal, INRIA Rocquencourt         */
+/*                                                                     */
+/*  Copyright 1996 Institut National de Recherche en Informatique et   */
+/*  en Automatique.  All rights reserved.  This file is distributed    */
+/*  under the terms of the GNU Library General Public License, with    */
+/*  the special exception on linking described in file ../../LICENSE.  */
+/*                                                                     */
+/***********************************************************************/
+
+/* $Id$ */
+
+#include <errno.h>
+#include <string.h>
+#include <mlvalues.h>
+#include <memory.h>
+#include <signals.h>
+#include "unixsupport.h"
+
+CAMLprim value unix_write(value fd, value buf, value vofs, value vlen)
+{
+  intnat ofs, len, written;
+  DWORD numbytes, numwritten;
+  char iobuf[UNIX_BUFFER_SIZE];
+  DWORD err = 0;
+
+  Begin_root (buf);
+    ofs = Long_val(vofs);
+    len = Long_val(vlen);
+    written = 0;
+    while (len > 0) {
+      numbytes = len > UNIX_BUFFER_SIZE ? UNIX_BUFFER_SIZE : len;
+      memmove (iobuf, &Byte(buf, ofs), numbytes);
+      if (Descr_kind_val(fd) == KIND_SOCKET) {
+        int ret;
+        SOCKET s = Socket_val(fd);
+        enter_blocking_section();
+        ret = send(s, iobuf, numbytes, 0);
+        if (ret == SOCKET_ERROR) err = WSAGetLastError();
+        leave_blocking_section();
+        numwritten = ret;
+      } else {
+        HANDLE h = Handle_val(fd);
+        enter_blocking_section();
+        if (! WriteFile(h, iobuf, numbytes, &numwritten, NULL))
+          err = GetLastError();
+        leave_blocking_section();
+      }
+      if (err) {
+        win32_maperr(err);
+        uerror("write", Nothing);
+      }
+      written += numwritten;
+      ofs += numwritten;
+      len -= numwritten;
+    }
+  End_roots();
+  return Val_long(written);
+}
+
+CAMLprim value unix_single_write(value fd, value buf, value vofs, value vlen)
+{
+  intnat ofs, len, written;
+  DWORD numbytes, numwritten;
+  char iobuf[UNIX_BUFFER_SIZE];
+  DWORD err = 0;
+
+  Begin_root (buf);
+    ofs = Long_val(vofs);
+    len = Long_val(vlen);
+    written = 0;
+    if (len > 0) {
+      numbytes = len > UNIX_BUFFER_SIZE ? UNIX_BUFFER_SIZE : len;
+      memmove (iobuf, &Byte(buf, ofs), numbytes);
+      if (Descr_kind_val(fd) == KIND_SOCKET) {
+        int ret;
+        SOCKET s = Socket_val(fd);
+        enter_blocking_section();
+        ret = send(s, iobuf, numbytes, 0);
+        if (ret == SOCKET_ERROR) err = WSAGetLastError();
+        leave_blocking_section();
+        numwritten = ret;
+      } else {
+        HANDLE h = Handle_val(fd);
+        enter_blocking_section();
+        if (! WriteFile(h, iobuf, numbytes, &numwritten, NULL))
+          err = GetLastError();
+        leave_blocking_section();
+      }
+      if (err) {
+        win32_maperr(err);
+        uerror("single_write", Nothing);
+      }
+      written = numwritten;
+    }
+  End_roots();
+  return Val_long(written);
+}