Drop use of def files for x86, x64 mono-2.0-sgen|boehm.dll Windows build.

[mono.git] / mono / utils / mono-filemap.c

diff --git a/mono/utils/mono-filemap.c b/mono/utils/mono-filemap.c
index 36c7fd6df93abbdec09fb325c2957bad9dbe1e61..416ca2625d37be2696b07494c1a444e11fbd17a6 100644 (file)
--- a/mono/utils/mono-filemap.c
+++ b/mono/utils/mono-filemap.c
@@ -1,10 +1,12 @@
-/*
- * mono-filemap.c: Unix/Windows implementation for filemap.
+/**
+ * \file
+ * Unix/Windows implementation for filemap.
  *
  * Author:
  *   Paolo Molaro (lupus@ximian.com)
  *
  * Copyright 2008-2008 Novell, Inc.
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
  */
 
 #include "config.h"
@@ -35,7 +37,10 @@ mono_file_map_open (const char* name)
        g_free (wname);
        return result;
 #else
-       return (MonoFileMap *)fopen (name, "rb");
+       int fd = open (name, O_RDONLY);
+       if (fd < 0)
+               return NULL;
+       return (MonoFileMap *)(size_t)fd;
 #endif
 }
 
@@ -43,7 +48,7 @@ guint64
 mono_file_map_size (MonoFileMap *fmap)
 {
        struct stat stat_buf;
-       if (fstat (fileno ((FILE*)fmap), &stat_buf) < 0)
+       if (fstat (mono_file_map_fd (fmap), &stat_buf) < 0)
                return 0;
        return stat_buf.st_size;
 }
@@ -51,13 +56,21 @@ mono_file_map_size (MonoFileMap *fmap)
 int
 mono_file_map_fd (MonoFileMap *fmap)
 {
+#ifdef WIN32
        return fileno ((FILE*)fmap);
+#else
+       return (int)(size_t)fmap;
+#endif
 }
 
 int 
 mono_file_map_close (MonoFileMap *fmap)
 {
+#ifdef WIN32
        return fclose ((FILE*)fmap);
+#else
+       return close (mono_file_map_fd (fmap));
+#endif
 }
 
 #if !defined (HOST_WIN32)