From 1e664b94467a65841e63d2dea50cd1f64e8a3258 Mon Sep 17 00:00:00 2001 From: Xavier Leroy Date: Wed, 3 Sep 1997 14:38:02 +0000 Subject: Implementation du type file_descr par le type HANDLE de Win32. Court-circuite la libc de MSVC. git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@1700 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02 --- otherlibs/win32unix/write.c | 49 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 otherlibs/win32unix/write.c (limited to 'otherlibs/win32unix/write.c') diff --git a/otherlibs/win32unix/write.c b/otherlibs/win32unix/write.c new file mode 100644 index 000000000..bf79c0e0c --- /dev/null +++ b/otherlibs/win32unix/write.c @@ -0,0 +1,49 @@ +/***********************************************************************/ +/* */ +/* Objective Caml */ +/* */ +/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */ +/* */ +/* Copyright 1996 Institut National de Recherche en Informatique et */ +/* Automatique. Distributed only by permission. */ +/* */ +/***********************************************************************/ + +/* $Id$ */ + +#include +#include +#include +#include +#include +#include "unixsupport.h" + +value unix_write(value fd, value buf, value vofs, value vlen) /* ML */ +{ + long ofs, len, written; + DWORD numbytes, numwritten; + BOOL ret; + char iobuf[UNIX_BUFFER_SIZE]; + HANDLE h = Handle_val(fd); + + 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; + bcopy(&Byte(buf, ofs), iobuf, numbytes); + enter_blocking_section(); + ret = WriteFile(h, iobuf, numbytes, &numwritten, NULL); + leave_blocking_section(); + if (! ret) { + _dosmaperr(GetLastError()); + uerror("write", Nothing); + } + written += numwritten; + ofs += numwritten; + len -= numwritten; + } + End_roots(); + return Val_long(written); +} -- cgit v1.2.3-70-g09d2