1 files changed, 97 insertions, 0 deletions
diff --git a/mysys/my_open.c b/mysys/my_open.c
new file mode 100644
index 00000000000..ef1db41e3f5
--- /dev/null
+++ b/mysys/my_open.c
@@ -0,0 +1,97 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
+#define USES_TYPES
+#include "mysys_priv.h"
+#include "mysys_err.h"
+#include <errno.h>
+#if defined(MSDOS) || defined(__WIN__)
+#include <share.h>
+#endif
+
+	/* Open a file */
+
+File my_open(const char *FileName, int Flags, myf MyFlags)
+				/* Path-name of file */
+				/* Read | write .. */
+				/* Special flags */
+{
+  File fd;
+  DBUG_ENTER("my_open");
+  DBUG_PRINT("my",("Name: '%s'  Flags: %d  MyFlags: %d",
+		   FileName, Flags, MyFlags));
+#if defined(MSDOS) || defined(__WIN__)
+  if (Flags & O_SHARE)
+    fd = sopen((my_string) FileName, (Flags & ~O_SHARE) | O_BINARY, SH_DENYNO);
+  else
+    fd = open((my_string) FileName, Flags | O_BINARY);
+#elif !defined(NO_OPEN_3)
+  fd = open(FileName, Flags, 0);	/* Normal unix */
+#else
+  fd = open((my_string) FileName, Flags);
+#endif
+
+  if ((int) fd >= 0)
+  {
+    if ((int) fd >= MY_NFILE)
+      DBUG_RETURN(fd);				/* safeguard */
+    pthread_mutex_lock(&THR_LOCK_open);
+    if ((my_file_info[fd].name = (char*) my_strdup(FileName,MyFlags)))
+    {
+      my_file_opened++;
+      my_file_info[fd].type = FILE_BY_OPEN;
+      pthread_mutex_unlock(&THR_LOCK_open);
+      DBUG_PRINT("exit",("fd: %d",fd));
+      DBUG_RETURN(fd);
+    }
+    pthread_mutex_unlock(&THR_LOCK_open);
+    (void) my_close(fd,MyFlags);
+    my_errno=ENOMEM;
+  }
+  else
+    my_errno=errno;
+  DBUG_PRINT("error",("Got error %d on open",my_errno));
+  if (MyFlags & (MY_FFNF | MY_FAE | MY_WME))
+    my_error(EE_FILENOTFOUND, MYF(ME_BELL+ME_WAITTANG), FileName,my_errno);
+  DBUG_RETURN(fd);
+} /* my_open */
+
+
+	/* Close a file */
+
+int my_close(File fd, myf MyFlags)
+{
+  int err;
+  DBUG_ENTER("my_close");
+  DBUG_PRINT("my",("fd: %d  MyFlags: %d",fd, MyFlags));
+
+  pthread_mutex_lock(&THR_LOCK_open);
+  if ((err = close(fd)) != 0)
+  {
+    my_errno=errno;
+    if (MyFlags & (MY_FAE | MY_WME))
+      my_error(EE_BADCLOSE, MYF(ME_BELL+ME_WAITTANG),my_filename(fd),errno);
+  }
+  if ((uint) fd < MY_NFILE && my_file_info[fd].type != UNOPEN)
+  {
+    my_file_opened--;
+    my_free(my_file_info[fd].name, MYF(0));
+    my_file_info[fd].type = UNOPEN;
+  }
+  pthread_mutex_unlock(&THR_LOCK_open);
+  DBUG_RETURN(err);
+} /* my_close */