merge with 4.0

BitKeeper/etc/logging_ok:
  auto-union
VC++Files/innobase/innobase.dsp:
  Auto merged
VC++Files/libmysql/libmysql.dsp:
  Auto merged
acinclude.m4:
  Auto merged
configure.in:
  Auto merged
BitKeeper/deleted/.del-com0shm.c~6a16f0c3d81de1f:
  Auto merged
BitKeeper/deleted/.del-mysql_fix_privilege_tables.sql:
  Auto merged
extra/replace.c:
  Auto merged
include/my_sys.h:
  Auto merged
innobase/btr/btr0btr.c:
  Auto merged
innobase/btr/btr0cur.c:
  Auto merged
innobase/btr/btr0pcur.c:
  Auto merged
innobase/btr/btr0sea.c:
  Auto merged
innobase/configure.in:
  Auto merged
innobase/data/data0data.c:
  Auto merged
innobase/dict/dict0boot.c:
  Auto merged
innobase/dict/dict0crea.c:
  Auto merged
innobase/dict/dict0dict.c:
  Auto merged
innobase/dict/dict0load.c:
  Auto merged
innobase/dict/dict0mem.c:
  Auto merged
innobase/ha/ha0ha.c:
  Auto merged
innobase/ha/hash0hash.c:
  Auto merged
innobase/include/btr0btr.ic:
  Auto merged
innobase/include/data0type.ic:
  Auto merged
innobase/include/dict0mem.h:
  Auto merged
innobase/include/log0log.ic:
  Auto merged
innobase/include/mach0data.ic:
  Auto merged
innobase/include/mtr0log.h:
  Auto merged
innobase/include/mtr0mtr.h:
  Auto merged
innobase/include/os0file.h:
  Auto merged
innobase/include/row0upd.ic:
  Auto merged
innobase/include/srv0srv.h:
  Auto merged
innobase/include/sync0sync.h:
  Auto merged
innobase/include/trx0rseg.ic:
  Auto merged
innobase/lock/lock0lock.c:
  Auto merged
innobase/log/log0recv.c:
  Auto merged
innobase/mem/mem0dbg.c:
  Auto merged
innobase/mtr/mtr0log.c:
  Auto merged
innobase/mtr/mtr0mtr.c:
  Auto merged
innobase/os/os0file.c:
  Auto merged
innobase/page/page0cur.c:
  Auto merged
innobase/page/page0page.c:
  Auto merged
innobase/pars/lexyy.c:
  Auto merged
innobase/read/read0read.c:
  Auto merged
innobase/rem/rem0cmp.c:
  Auto merged
innobase/rem/rem0rec.c:
  Auto merged
innobase/row/row0ins.c:
  Auto merged
innobase/row/row0mysql.c:
  Auto merged
innobase/row/row0purge.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/row/row0undo.c:
  Auto merged
innobase/row/row0upd.c:
  Auto merged
innobase/srv/srv0srv.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
innobase/sync/sync0rw.c:
  Auto merged
innobase/thr/thr0loc.c:
  Auto merged
innobase/trx/trx0purge.c:
  Auto merged
innobase/trx/trx0rec.c:
  Auto merged
innobase/trx/trx0roll.c:
  Auto merged
innobase/trx/trx0trx.c:
  Auto merged
innobase/trx/trx0undo.c:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/myisamchk.c:
  Auto merged
mysql-test/r/multi_update.result:
  Auto merged
mysql-test/r/mysqlbinlog.result:
  Auto merged
mysql-test/r/rpl_error_ignored_table.result:
  Auto merged
mysql-test/t/multi_update.test:
  Auto merged
mysql-test/t/rpl_error_ignored_table.test:
  Auto merged
mysys/mf_iocache.c:
  Auto merged
mysys/mf_pack.c:
  Auto merged
mysys/my_getopt.c:
  Auto merged
sql/ha_berkeley.cc:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/lock.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/set_var.h:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_cache.h:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_handler.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_list.h:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged
tests/thread_test.c:
  Auto merged
client/mysqldump.c:
  Keep original indentation
mysql-test/r/merge.result:
  keep old file
scripts/mysql_fix_privilege_tables.sh:
  Keep old structure in merge with 4.0
sql/table.cc:
  merge with 4.0 + simple optimizations

1 files changed, 22 insertions, 8 deletions

diff --git a/mysys/mf_pack.c b/mysys/mf_pack.c
index 638bbaf7baf..2d0a5ea282b 100644
--- a/mysys/mf_pack.c
+++ b/mysys/mf_pack.c
@@ -347,11 +347,25 @@ static my_string NEAR_F expand_tilde(my_string *path)
   return (my_string) 0;
 }
 
-	/* fix filename so it can be used by open, create .. */
-	/* to may be == from */
-	/* Returns to */
 
-my_string unpack_filename(my_string to, const char *from)
+/*
+  Fix filename so it can be used by open, create
+
+  SYNOPSIS
+    unpack_filename()
+    to		Store result here. Must be at least of size FN_REFLEN.
+    from	Filename in unix format (with ~)
+
+  RETURN
+    # length of to
+
+  NOTES
+    to may be == from
+    ~ will only be expanded if total length < FN_REFLEN
+*/
+
+
+uint unpack_filename(my_string to, const char *from)
 {
   uint length,n_length;
   char buff[FN_REFLEN];
@@ -362,17 +376,17 @@ my_string unpack_filename(my_string to, const char *from)
   if (n_length+strlen(from+length) < FN_REFLEN)
   {
     (void) strmov(buff+n_length,from+length);
-    (void) system_filename(to,buff);		/* Fix to usably filename */
+    length= system_filename(to,buff);		/* Fix to usably filename */
   }
   else
-    (void) system_filename(to,from);		/* Fix to usably filename */
-  DBUG_RETURN(to);
+    length= system_filename(to,from);		/* Fix to usably filename */
+  DBUG_RETURN(length);
 } /* unpack_filename */
 
 
 	/* Convert filename (unix standard) to system standard */
 	/* Used before system command's like open(), create() .. */
-	/* Returns to */
+	/* Returns length of to */
 
 uint system_filename(my_string to, const char *from)
 {