Ajout primitives LargeFile

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@4486 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02

1 files changed, 93 insertions, 0 deletions

diff --git a/otherlibs/win32unix/stat.c b/otherlibs/win32unix/stat.c
new file mode 100644
index 000000000..6a1259acd
--- /dev/null
+++ b/otherlibs/win32unix/stat.c
@@ -0,0 +1,93 @@
+/***********************************************************************/
+/*                                                                     */
+/*                           Objective Caml                            */
+/*                                                                     */
+/*            Xavier Leroy, projet Cristal, INRIA Rocquencourt         */
+/*                                                                     */
+/*  Copyright 2002 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 <mlvalues.h>
+#include <memory.h>
+#include <alloc.h>
+#include "unixsupport.h"
+#include "cst2constr.h"
+#define _INTEGRAL_MAX_BITS 64
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#ifndef S_IFLNK
+#define S_IFLNK 0
+#endif
+#ifndef S_IFIFO
+#define S_IFIFO 0
+#endif
+#ifndef S_IFSOCK
+#define S_IFSOCK 0
+#endif
+#ifndef S_IFBLK
+#define S_IFBLK 0
+#endif
+
+static int file_kind_table[] = {
+  S_IFREG, S_IFDIR, S_IFCHR, S_IFBLK, S_IFLNK, S_IFIFO, S_IFSOCK
+};
+
+static value stat_aux(int use_64, struct _stati64 *buf)
+{
+  value v;
+  value atime = Val_unit, mtime = Val_unit, ctime = Val_unit;
+
+  Begin_roots3(atime,mtime,ctime)
+    atime = copy_double((double) buf->st_atime);
+    mtime = copy_double((double) buf->st_mtime);
+    ctime = copy_double((double) buf->st_ctime);
+    v = alloc_small(12, 0);
+    Field (v, 0) = Val_int (buf->st_dev);
+    Field (v, 1) = Val_int (buf->st_ino);
+    Field (v, 2) = cst_to_constr(buf->st_mode & S_IFMT, file_kind_table,
+                                 sizeof(file_kind_table) / sizeof(int), 0);
+    Field (v, 3) = Val_int(buf->st_mode & 07777);
+    Field (v, 4) = Val_int (buf->st_nlink);
+    Field (v, 5) = Val_int (buf->st_uid);
+    Field (v, 6) = Val_int (buf->st_gid);
+    Field (v, 7) = Val_int (buf->st_rdev);
+    Field (v, 8) = 
+      use_64 ? copy_int64(buf->st_size) : Val_int (buf->st_size);
+    Field (v, 9) = atime;
+    Field (v, 10) = mtime;
+    Field (v, 11) = ctime;
+  End_roots();
+  return v;
+}
+
+CAMLprim value unix_stat(value path)
+{
+  int ret;
+  struct _stati64 buf;
+
+  ret = _stati64(String_val(path), &buf);
+  if (ret == -1) uerror("stat", path);
+  if (buf.st_size > Max_long) {
+    win32_maperr(ERROR_ARITHMETIC_OVERFLOW);
+    uerror("stat", path);
+  }
+  return stat_aux(0, &buf);
+}
+
+CAMLprim value unix_stat_64(value path)
+{
+  int ret;
+  struct _stati64 buf;
+  ret = _stati64(String_val(path), &buf);
+  if (ret == -1) uerror("stat", path);
+  return stat_aux(1, &buf);
+}
+