Faster log::write() call, memory leak fix, flush master fix.

BUILD/compile-alpha-ccc:
  remove deps to get things to compile better
Docs/manual.texi:
  Small fixes
configure.in:
  Fix for mlockmem()
include/my_sys.h:
  Made key_cache_inited global
myisammrg/myrg_close.c:
  Fixed memory leak
myisammrg/myrg_open.c:
  Initialize queue to avoid memory leak bug
mysys/mf_format.c:
  Added overflow check
mysys/mf_keycache.c:
  Made key_cache_init more secure to use
mysys/my_static.h:
  Make key_cache_inite global
sql/ChangeLog:
  Changes
sql/lock.cc:
  Added logging of locktime
sql/log.cc:
  Added logging of locktime
sql/mysql_priv.h:
  Added locked_in_memory
sql/mysqld.cc:
  Added logging of locktime + locked in memory
sql/sql_acl.cc:
  Added thd to log::write() for faster call
sql/sql_base.cc:
  Use global key_cache variable
sql/sql_class.cc:
  Added result row counting
sql/sql_class.h:
  Added thd to log::write() for faster call
sql/sql_db.cc:
  Added thd to log::write() for faster call
sql/sql_delete.cc:
  Added thd to log::write() for faster call
sql/sql_insert.cc:
  Added thd to log::write() for faster call
sql/sql_load.cc:
  Added thd to log::write() for faster call
sql/sql_parse.cc:
  Added thd to log::write() for faster call
sql/sql_rename.cc:
  Added thd to log::write() for faster call
sql/sql_table.cc:
  Added thd to log::write() for faster call
sql/sql_update.cc:
  Added thd to log::write() for faster call

1 files changed, 5 insertions, 1 deletions

diff --git a/mysys/mf_format.c b/mysys/mf_format.c
index 623f1dbd19e..39084799563 100644
--- a/mysys/mf_format.c
+++ b/mysys/mf_format.c
@@ -31,6 +31,7 @@
 	/*		8   Pack filename as short as possibly */
 	/*		16  Resolve symbolic links for filename */
 	/*		32  Resolve filename to full path */
+	/*		64  Return NULL if too long path */
 
 #ifdef MAXPATHLEN
 #define BUFF_LEN MAXPATHLEN
@@ -80,7 +81,10 @@ my_string fn_format(my_string to, const char *name, const char *dsk,
 
   if (strlen(dev)+length+strlen(ext) >= FN_REFLEN || length >= FN_LEN )
   {				/* To long path, return original */
-    uint tmp_length=strlength(startpos);
+    uint tmp_length;
+    if (flag & 64)
+      return 0;
+    tmp_length=strlength(startpos);
     DBUG_PRINT("error",("dev: '%s'  ext: '%s'  length: %d",dev,ext,length));
     (void) strmake(to,startpos,min(tmp_length,FN_REFLEN-1));
   }