bk commit into 5.0 tree (dkatz:1.2462) BUG#25761

[damien]

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ChangeSet@stripped, 2007-04-19 13:41:12-04:00, dkatz@stripped +1 -0
  Bug #25761  	Table is partially created when disk is full, causing database corruption

  mysys/my_copy.c@stripped, 2007-04-19 13:41:08-04:00, dkatz@stripped +6 -1
    my_copy now deletes any partially copied file if the copy fails to complete.

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	dkatz
# Host:	damien-katzs-computer.local
# Root:	/Users/dkatz/50c

--- 1.15/mysys/my_copy.c	2006-12-23 14:04:07 -05:00
+++ 1.16/mysys/my_copy.c	2007-04-19 13:41:08 -04:00
@@ -111,6 +111,11 @@ int my_copy(const char *from, const char
 
 err:
   if (from_file >= 0) VOID(my_close(from_file,MyFlags));
-  if (to_file >= 0)   VOID(my_close(to_file,MyFlags));
+  if (to_file >= 0)
+  {
+    VOID(my_close(to_file, MyFlags));
+    /* attempt to delete the to-file we've partially written */
+    VOID(my_delete(to, MyFlags));
+  }
   DBUG_RETURN(-1);
 } /* my_copy */