1 files changed, 54 insertions, 0 deletions
diff --git a/mysys/my_lread.c b/mysys/my_lread.c
new file mode 100644
index 00000000000..c3b8a6704c3
--- /dev/null
+++ b/mysys/my_lread.c
@@ -0,0 +1,54 @@
+/* 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 */
+
+#include "mysys_priv.h"
+#include "mysys_err.h"
+
+	/* Read a chunk of bytes from a file  */
+
+uint32 my_lread(int Filedes, byte *Buffer, uint32 Count, myf MyFlags)
+				/* File descriptor */
+				/* Buffer must be at least count bytes */
+				/* Max number of bytes returnd */
+				/* Flags on what to do on error */
+{
+  uint32 readbytes;
+  DBUG_ENTER("my_lread");
+  DBUG_PRINT("my",("Fd: %d  Buffer: %ld  Count: %ld  MyFlags: %d",
+		   Filedes, Buffer, Count, MyFlags));
+
+  /* Temp hack to get count to int32 while read wants int */
+  if ((readbytes = (uint32) read(Filedes, Buffer, (size_t) Count)) != Count)
+  {
+    my_errno=errno;
+    if (MyFlags & (MY_WME | MY_FAE | MY_FNABP))
+    {
+      if (readbytes == MY_FILE_ERROR)
+	my_error(EE_READ, MYF(ME_BELL+ME_WAITTANG),
+		 my_filename(Filedes),errno);
+      else
+      if (MyFlags & (MY_NABP | MY_FNABP))
+	my_error(EE_EOFERR, MYF(ME_BELL+ME_WAITTANG),
+		 my_filename(Filedes),errno);
+    }
+    if (readbytes == MY_FILE_ERROR || MyFlags & (MY_NABP | MY_FNABP))
+      DBUG_RETURN((uint32) -1);		/* Return med felkod */
+  }
+  if (MyFlags & (MY_NABP | MY_FNABP))
+    DBUG_RETURN(0);			/* Ok vid l{sning */
+  DBUG_RETURN(readbytes);
+} /* my_lread */