merge

Build-tools/Do-compile

@@ -7,7 +7,7 @@ $opt_tmp=$opt_version_suffix="";
 $opt_help=$opt_Information=$opt_delete=$opt_debug=$opt_stage=$opt_rsh_mail=$opt_no_test=$opt_no_perl=$opt_with_low_memory=$opt_fast_benchmark=$opt_static_client=$opt_static_server=$opt_static_perl=$opt_sur=$opt_with_small_disk=$opt_local_perl=$opt_tcpip=$opt_build_thread=$opt_no_mysqltest=$opt_use_old_distribution=$opt_enable_shared=$opt_no_crash_me=$opt_no_strip=0;
 $opt_innodb=$opt_bdb=0;
 
-GetOptions("Information","help","distribution=s","user=s","result=s","delete","no-test","no-mysqltest","perl-files=s","debug","config-options=s","config-env=s","stage=i","rsh-mail","with-low-memory","fast-benchmark","tmp=s","static-client","static-server","static-perl","no-perl","local-perl","perl-options=s","sur","with-small-disk","dbd-options=s","tcpip","suffix=s","build-thread=i","innodb","bdb","use-old-distribution","enable-shared","no-crash-me","no-strip","version-suffix=s", "with-other-libc=s) || usage();
+GetOptions("Information","help","distribution=s","user=s","result=s","delete","no-test","no-mysqltest","perl-files=s","debug","config-options=s","config-env=s","stage=i","rsh-mail","with-low-memory","fast-benchmark","tmp=s","static-client","static-server","static-perl","no-perl","local-perl","perl-options=s","sur","with-small-disk","dbd-options=s","tcpip","suffix=s","build-thread=i","innodb","bdb","use-old-distribution","enable-shared","no-crash-me","no-strip","version-suffix=s", "with-other-libc=s") || usage();
 
 usage() if ($opt_help || $opt_Information);
 usage() if (!$opt_distribution);

Docs/manual.texi

@@ -566,7 +566,8 @@ a commercial memory leakage detector.
 @item
 Works on many different platforms.  @xref{Which OS}.
 @item
-Uses GNU Automake, Autoconf (Ver 2.52 or newer), and Libtool for portability.
+Uses GNU Automake (1.4), Autoconf (Ver 2.52 or newer), and Libtool for
+portability.
 @item
 APIs for C, C++, Eiffel, Java, Perl, PHP, Python and Tcl.  @xref{Clients}.
 @item
@@ -6254,11 +6255,14 @@ shell> gunzip < /path/to/mysql-VERSION-OS.tar.gz | tar xvf -
 shell> ln -s mysql-VERSION-OS mysql
 shell> cd mysql
 shell> scripts/mysql_install_db
-shell> chown -R root  /usr/local/mysql
+shell> chown -R root  .
-shell> chown -R mysql /usr/local/mysql/data
+shell> chown -R mysql ./data
-shell> chgrp -R mysql /usr/local/mysql
+shell> chgrp -R mysql .
-shell> chown -R root /usr/local/mysql/bin
+shell> chown -R root ./bin
 shell> bin/safe_mysqld --user=mysql &
+or
+shell> bin/mysqld_safe --user=mysql &
+if you are running MySQL 4.x
 @end example
 
 @cindex adding, new users
@@ -6522,6 +6526,9 @@ shell> chown -R mysql /usr/local/mysql/var
 shell> chgrp -R mysql /usr/local/mysql
 shell> cp support-files/my-medium.cnf /etc/my.cnf
 shell> /usr/local/mysql/bin/safe_mysqld --user=mysql &
+or
+shell> /usr/local/mysql/bin/mysqld_safe --user=mysql &
+if you are running MySQL 4.x.
 @end example
 
 If you want have support for InnoDB tables, you should edit the
@@ -7009,11 +7016,10 @@ The initial download of the source tree may take a while, depending on the
 speed of your connection; be patient.
 
 @item
-You will need GNU @code{autoconf 2.13}, @code{automake 1.4},
+You will need GNU @code{autoconf 2.52}, @code{automake 1.4},
 @code{libtool}, and @code{m4} to run the next set of commands.
 
-If you are using the 3.23 tree the new versions of @code{autoconf}
+@code{automake} (1.5) doesn't yet work.
-(2.52) and @code{automake} (1.5) will not work.
 
 If you get some strange error during this stage, check that you really
 have @code{libtool} installed!
@@ -8141,6 +8147,9 @@ version 4.0;
 
 @itemize @bullet
 @item
+Use @code{ORDER BY column DESC} now always sorts @code{NULL} values
+first; In 3.23 this was not always consistent.
+@item
 @code{SHOW INDEX} has 2 columns more (@code{Null} and @code{Index_type})
 than it had in 3.23.
 @item
@@ -12676,9 +12685,15 @@ mysql> SELECT 1 IS NULL, 1 IS NOT NULL;
 +-----------+---------------+
 @end example
 
+Note that two @code{NULL} are compared as equal is when you do an
+@code{GROUP BY}.
+
 In MySQL, 0 or @code{NULL} means false and anything else means true.
 The default truth value from a boolean operation is 1.
 
+When doing an @code{ORDER BY}, @code{NULL} values are always sorted first,
+even if you are using @code{DESC}.
+
 This special treatment of @code{NULL} is why, in the previous section, it
 was necessary to determine which animals are no longer alive using
 @code{death IS NOT NULL} instead of @code{death <> NULL}.
@@ -13206,7 +13221,7 @@ mysql> DESCRIBE pet;
 @end example
 
 @code{Field} indicates the column name, @code{Type} is the data type for
-the column, @code{Null} indicates whether or not the column can contain
+the column, @code{NULL} indicates whether or not the column can contain
 @code{NULL} values, @code{Key} indicates whether or not the column is
 indexed, and @code{Default} specifies the column's default value.
 
@@ -13692,6 +13707,13 @@ tell @code{mysql} to read its input from the file:
 shell> mysql < batch-file
 @end example
 
+If you are running @code{mysql} under windows and have some special
+characters in the file that causes problems, you can do:
+
+@example
+dos> mysql -e "source batch-file"
+@end example
+
 If you need to specify connection parameters on the command line, the
 command might look like this:
 
@@ -13703,6 +13725,9 @@ Enter password: ********
 When you use @code{mysql} this way, you are creating a script file, then
 executing the script.
 
+If you want the script to continue even if you have errors, you should
+use the @code{--force} command line option.
+
 Why use a script?  Here are a few reasons:
 
 @itemize @bullet
@@ -13776,6 +13801,12 @@ If you want to get the interactive output format in batch mode, use
 @code{mysql -t}.  To echo to the output the commands that are executed, use
 @code{mysql -vvv}.
 
+You can also use scripts in the @code{mysql} command line prompt by
+using the @code{source} command:
+
+@example
+mysql> source filename
+@end example
 
 @node Twin, Apache, Batch mode, Tutorial
 @section Queries from Twin Project
@@ -16496,8 +16527,10 @@ password will be set to the password specified by the @code{IDENTIFIED BY}
 clause, if one is given.  If the user already had a password, it is replaced
 by the new one.
 
-Optional @code{PASSWORD} changes behaviour of @code{IDENTIFIED BY} from
+If you don't want to send the password in clear text you can use the
-accepting plain password to accept encrypted password as argument.
+@code{PASSWORD} option followed by a scrambled password from SQL
+function @code{PASSWORD()} or the C API function
+@code{make_scrambled_password(char *to, const char *password)}.
 
 @strong{Warning:} If you create a new user but do not specify an
 @code{IDENTIFIED BY} clause, the user has no password.  This is insecure.
@@ -25574,7 +25607,13 @@ You have different @code{ORDER BY} and @code{GROUP BY} expressions.
 
 @item
 The used table index is an index type that doesn't store rows in order.
-(Like index in @code{HEAP} tables).
+(Like the @code{HASH} index in @code{HEAP} tables).
+
+@item
+The index colum may contain @code{NULL} values and one is using
+@code{ORDER BY ... DESC}.  This is because in SQL @code{NULL} values is
+always sorted before normal values, independent of you are using
+@code{DESC} or not.
 @end itemize
 
 
@@ -26509,6 +26548,9 @@ probably much faster, as this will require us to do much fewer seeks.)
 Note that if such a query uses @code{LIMIT} to only retrieve
 part of the rows, MySQL will use an index anyway, as it can
 much more quickly find the few rows to return in the result.
+@item
+If the index range may contain @code{NULL} values and you are using
+@code{ORDER BY ... DESC}
 @end itemize
 
 @node Indexes, Multiple-column indexes, MySQL indexes, Optimising Database Structure
@@ -30018,7 +30060,7 @@ mysql> select 2 > 2;
 @cindex @code{NULL}, testing for null
 @findex <=> (Equal to)
 @item <=>
-Null safe equal:
+NULL safe equal:
 @example
 mysql> select 1 <=> 1, NULL <=> NULL, 1 <=> NULL;
         -> 1 1 0
@@ -48665,6 +48707,12 @@ Our TODO section contains what we plan to have in 4.0. @xref{TODO MySQL 4.0}.
 
 @itemize @bullet
 @item
+Use @code{ORDER BY column DESC} now sorts @code{NULL} values first.
+@item
+Fixed bug in @code{SELECT DISTINCT ... ORDER BY DESC} optimization.
+@item
+Fixed bug in @code{... HAVING 'GROUP_FUNCTION'(xxx) IS [NOT] NULL}.
+@item
 Fixed bug in truncation operator for boolean fulltext search.
 @item
 Allow numeric user id to @code{mysqld --user=#}.
@@ -49035,8 +49083,19 @@ not yet 100% confident in this code.
 @node News-3.23.50, News-3.23.49, News-3.23.x, News-3.23.x
 @appendixsubsec Changes in release 3.23.50
 @itemize @bullet
+Fixed core-dump bug when reading client groups from option files using
+@code{mysql_options()}.
 @item
 Memory leak (16 bytes per every @strong{corrupted} table) closed.
+@item
+Fixed binary builds to use @code{--enable-local-infile}.
+@item
+Update source to work with new @code{bison} version.
+@item
+Updated shell scripts to new agree with new POSIX standard.
+@item
+Fixed bug where @code{DATE_FORMAT()} returned empty string when used
+with @code{GROUP BY}.
 @end itemize
 
 @node News-3.23.49, News-3.23.48, News-3.23.50, News-3.23.x
@@ -49054,6 +49113,8 @@ Added options to make @code{LOAD DATA LOCAL INFILE} more secure.
 MySQL binary release 3.23.48 for Linux contained a new glibc library, which
 has serious problems under high load and RedHat 7.2.  The 3.23.49 binary
 release doesn't have this problem.
+@item
+Fixed shutdown problem on NT.
 @end itemize
 
 @node News-3.23.48, News-3.23.47, News-3.23.49, News-3.23.x

acinclude.m4

@@ -846,21 +846,21 @@ dnl ---------------------------------------------------------------------------
 
 AC_DEFUN([MYSQL_CHECK_BDB], [
   AC_ARG_WITH([berkeley-db],
-              [\
+              [
   --with-berkeley-db[=DIR]
                           Use BerkeleyDB located in DIR],
               [bdb="$withval"],
               [bdb=no])
 
   AC_ARG_WITH([berkeley-db-includes],
-              [\
+              [
   --with-berkeley-db-includes=DIR
                           Find Berkeley DB headers in DIR],
               [bdb_includes="$withval"],
               [bdb_includes=default])
 
   AC_ARG_WITH([berkeley-db-libs],
-              [\
+              [
   --with-berkeley-db-libs=DIR
                           Find Berkeley DB libraries in DIR],
               [bdb_libs="$withval"],
@@ -1108,7 +1108,7 @@ dnl ---------------------------------------------------------------------------
 
 AC_DEFUN([MYSQL_CHECK_INNODB], [
   AC_ARG_WITH([innodb],
-              [\
+              [
   --without-innodb        Do not include the InnoDB table handler],
               [innodb="$withval"],
               [innodb=yes])
@@ -1182,6 +1182,7 @@ dnl END OF MYSQL_CHECK_INNODB SECTION
 dnl ---------------------------------------------------------------------------
 
 dnl ---------------------------------------------------------------------------
+
 dnl Got this from the GNU tar 1.13.11 distribution
 dnl by Paul Eggert <eggert@twinsun.com>
 dnl ---------------------------------------------------------------------------

bdb/dist/s_recover

@@ -12,6 +12,13 @@ rm -f $loglist
 
 trap 'rm -f $t; exit 1' 1 2 3 13 15
 
+# Use the standard -k option if it works;
+# otherwise fall back on the traditional notation.
+if sort -k 1,1 /dev/null
+then sort_2_etc='-k 2'
+else sort_2_etc='+1'
+fi
+
 # Check to make sure we haven't duplicated a log record entry, and build
 # the list of log record types that the test suite uses.
 for i in $DIR; do
@@ -19,13 +26,14 @@ for i in $DIR; do
 	for f in ../$i/*.src; do
 		# Grab the PREFIX;  there should only be one per file, and
 		# so it's okay to just take the first.
-		grep '^PREFIX' $f | head -1
+		grep '^PREFIX' $f | sed q
 		egrep '^DEPRECATED[	 ]|^BEGIN[	 ]' $f | \
 		    awk '{print $1 "\t" $2 "\t" $3}'
 
 	done
 done > $loglist
-grep -v '^PREFIX' $loglist | awk '{print $2 "\t" $3}' | sort +1 -n | \
+grep -v '^PREFIX' $loglist | awk '{print $2 "\t" $3}' | \
+    sort $sort_2_etc -n | \
     uniq -d -f 1 > $t
 [ -s $t ] && {
 	echo "DUPLICATE LOG VALUES:"

client/mysql.cc

@@ -38,7 +38,7 @@
 #include <signal.h>
 #include <violite.h>
 
-const char *VER="11.20";
+const char *VER="11.21";
 
 /* Don't try to make a nice table if the data is too big */
 #define MAX_COLUMN_LENGTH	     1024

client/mysqldump.c

@@ -35,7 +35,7 @@
 ** and adapted to mysqldump 05/11/01 by Jani Tolonen
 */
 
-#define DUMP_VERSION "8.22"
+#define DUMP_VERSION "8.23"
 
 #include <my_global.h>
 #include <my_sys.h>
@@ -897,8 +897,6 @@ static uint getTableStructure(char *table, char* db)
       fputs(";\n", sql_file);
     }
   }
-  if (opt_disable_keys)
-    fprintf(sql_file,"\n/*!40000 ALTER TABLE %s DISABLE KEYS */;\n",table_name);
   if (cFlag)
   {
     strpos=strmov(strpos,") VALUES ");
@@ -1023,7 +1021,7 @@ static void dumpTable(uint numFields, char *table)
       strxmov(strend(query), " WHERE ",where,NullS);
     }
     if (!opt_xml)
-      fputs("\n\n", md_result_file);
+      fputs("\n", md_result_file);
     if (mysql_query(sock, query))
     {
       DBerror(sock, "when retrieving data from server");
@@ -1048,6 +1046,9 @@ static void dumpTable(uint numFields, char *table)
       return;
     }
 
+    if (opt_disable_keys)
+      fprintf(md_result_file,"/*!40000 ALTER TABLE %s DISABLE KEYS */;\n",
+	      quote_name(table, table_buff));
     if (opt_lock)
       fprintf(md_result_file,"LOCK TABLES %s WRITE;\n",
 	      quote_name(table,table_buff));
@@ -1207,11 +1208,11 @@ static void dumpTable(uint numFields, char *table)
       safe_exit(EX_CONSCHECK);
       return;
     }
-    if (opt_disable_keys)
-      fprintf(md_result_file,"\n/*!40000 ALTER TABLE %s ENABLE KEYS */;\n",
-                                            quote_name(table,table_buff));
     if (opt_lock)
       fputs("UNLOCK TABLES;\n", md_result_file);
+    if (opt_disable_keys)
+      fprintf(md_result_file,"/*!40000 ALTER TABLE %s ENABLE KEYS */;\n",
+	      quote_name(table,table_buff));
     if (opt_autocommit)
       fprintf(md_result_file, "commit;\n");
     mysql_free_result(res);

configure.in

@@ -602,16 +602,21 @@ AC_ARG_WITH(mysqld-user,
     )
 AC_SUBST(MYSQLD_USER)
 
-# compile with strings functions in assembler
+# If we should allove LOAD DATA LOCAL
+AC_MSG_CHECKING(if we should should enable LOAD DATA LOCAL by default)
 AC_ARG_ENABLE(local-infile,
     [  --enable-local-infile
                           If LOAD DATA LOCAL INFILE is enabled by default.],
-    [
+    [ ENABLED_LOCAL_INFILE=$enableval ],
-      ENABLED_LOCAL_INFILE=$enablewal
-      AC_DEFINE(ENABLED_LOCAL_INFILE)
-    ],
     [ ENABLED_LOCAL_INFILE=no ]
     )
+if test "$ENABLED_LOCAL_INFILE" = "yes"
+then
+  AC_MSG_RESULT([yes])
+  AC_DEFINE([ENABLED_LOCAL_INFILE])
+else
+  AC_MSG_RESULT([no])
+fi
 
 # Use Paul Eggerts macros from GNU tar to check for large file support.
 MYSQL_SYS_LARGEFILE

libmysql/libmysql.c

@@ -737,7 +737,7 @@ static void mysql_read_default_options(struct st_mysql_options *options,
 	  *end=0;				/* Remove '=' */
 	}
 	/* Change all '_' in variable name to '-' */
-	for (end= *option ; (end= strcend(end,'_')) && *end ; )
+	for (end= *option ; *(end= strcend(end,'_')) ; )
 	  *end= '-';
 	switch (find_type(*option+2,&option_types,2)) {
 	case 1:				/* port */
@@ -1338,7 +1338,7 @@ mysql_init(MYSQL *mysql)
 
 /*
   Only enable LOAD DATA INFILE by default if configured with
-  --with-enabled-local-inflile
+  --enable-local-infile
 */
 #ifdef ENABLED_LOCAL_INFILE
   mysql->options.client_flag|= CLIENT_LOCAL_FILES;

myisam/myisamchk.c

@@ -193,7 +193,7 @@ static struct my_option my_long_options[] =
    0, 0, 0, GET_NO_ARG, NO_ARG, 'i', 0, 0, 0, 0, 0, 0},
   {"keys-used", "Tell MyISAM to update only some specific keys. # is a bit mask of which keys to use. This can be used to get faster inserts!",
    (gptr*) &check_param.keys_in_use, (gptr*) &check_param.keys_in_use, 0,
-   GET_LL, REQUIRED_ARG, 'k', -1LL, 0, 0, 0, 0, 0},
+   GET_LL, REQUIRED_ARG, 'k',-1, 0, 0, 0, 0, 0},
   {"medium-check",
    "Faster than extended-check, but only finds 99.99% of all errors. Should be good enough for most cases.", 0, 0, 0, GET_NO_ARG, NO_ARG, 'm', 0, 0, 0, 0, 0,
    0},

mysql-test/mysql-test-run.sh

@@ -79,8 +79,10 @@ sleep_until_file_created ()
 
 # No paths below as we can't be sure where the program is!
 
-BASENAME=`which basename | head -1`
+SED=sed
-DIFF=`which diff | head -1`
+
+BASENAME=`which basename | $SED q`
+DIFF=`which diff | $SED q`
 CAT=cat
 CUT=cut
 HEAD=head
@@ -88,13 +90,12 @@ TAIL=tail
 ECHO=echo # use internal echo if possible
 EXPR=expr # use internal if possible
 FIND=find
-GCOV=`which gcov | head -1`
+GCOV=`which gcov | $SED q`
 PRINTF=printf
 RM=rm
 TIME=time
 TR=tr
-XARGS=`which xargs | head -1`
+XARGS=`which xargs | $SED q`
-SED=sed
 
 # Are we using a source or a binary distribution?
 

mysql-test/r/distinct.result

@@ -77,6 +77,7 @@ NULL	NULL
 10	VMT
 select id+0 as a,max(id),concat(facility) as b from t1 group by a order by b desc,a;
 a	max(id)	b
+NULL	NULL	NULL
 10	10	VMT
 9	9	SRV
 8	8	RV
@@ -89,7 +90,6 @@ a	max(id)	b
 1	1	/L
 -1	-1	
 0	0	
-NULL	NULL	NULL
 select id >= 0 and id <= 5 as grp,count(*) from t1 group by grp;
 grp	count(*)
 0	7
@@ -336,3 +336,16 @@ a	c
 4	NULL
 3	NULL
 drop table t1;
+create table t1 (a char(1), key(a)) type=myisam;
+insert into t1 values('1'),('1');
+select * from t1 where a >= '1';
+a
+1
+1
+select distinct a from t1 order by a desc;
+a
+1
+select distinct a from t1 where a >= '1' order by a desc;
+a
+1
+drop table t1;

mysql-test/r/group_by.result

@@ -226,7 +226,7 @@ key (score)
 INSERT INTO t1 VALUES (1,1,1),(2,2,2),(2,1,1),(3,3,3),(4,3,3),(5,3,3);
 explain select userid,count(*) from t1 group by userid desc;
 table	type	possible_keys	key	key_len	ref	rows	Extra
-t1	ALL	NULL	NULL	NULL	NULL	6	Using temporary
+t1	ALL	NULL	NULL	NULL	NULL	6	Using temporary; Using filesort
 select userid,count(*) from t1 group by userid desc;
 userid	count(*)
 3	3
@@ -244,6 +244,8 @@ spid	count(*)
 2	2
 select spid,count(*) from t1 where spid between 1 and 2 group by spid desc;
 spid	count(*)
+2	2
+1	1
 explain select sql_big_result spid,sum(userid) from t1 group by spid desc;
 table	type	possible_keys	key	key_len	ref	rows	Extra
 t1	ALL	NULL	NULL	NULL	NULL	6	Using filesort

mysql-test/r/having.result

@@ -44,3 +44,22 @@ AND start <= 999660;
 id	start	end	chr_strand
 133197	813898	813898	-1.0000
 drop table t1,t2;
+CREATE TABLE t1 (Fld1 int(11) default NULL,Fld2 int(11) default NULL);
+INSERT INTO t1 VALUES (1,10),(1,20),(2,NULL),(2,NULL),(3,50);
+select Fld1, max(Fld2) as q from t1 group by Fld1 having q is not null;
+Fld1	q
+1	20
+3	50
+select Fld1, max(Fld2) from t1 group by Fld1 having max(Fld2) is not null;
+Fld1	max(Fld2)
+1	20
+3	50
+select Fld1, max(Fld2) from t1 group by Fld1 having avg(Fld2) is not null;
+Fld1	max(Fld2)
+1	20
+3	50
+select Fld1, max(Fld2) from t1 group by Fld1 having std(Fld2) is not null;
+Fld1	max(Fld2)
+1	20
+3	50
+drop table t1;

mysql-test/t/distinct.test

@@ -207,3 +207,14 @@ insert into t1 (a) values (1),(2),(3),(4),(1),(2),(3),(4);
 select distinct a from t1 group by b,a having a > 2 order by a desc;
 select distinct a,c from t1 group by b,c,a having a > 2 order by a desc;
 drop table t1;
+
+#
+# Test problem with DISTINCT and ORDER BY DESC
+#
+
+create table t1 (a char(1), key(a)) type=myisam;
+insert into t1 values('1'),('1');
+select * from t1 where a >= '1'; 
+select distinct a from t1 order by a desc;
+select distinct a from t1 where a >= '1' order by a desc;
+drop table t1;

mysql-test/t/having.test

@@ -48,3 +48,15 @@ GROUP BY e.id
 HAVING chr_strand= -1 and end >= 0 
   AND start <= 999660;
 drop table t1,t2;
+
+#
+# Test problem with having and MAX() IS NOT NULL
+#
+
+CREATE TABLE t1 (Fld1 int(11) default NULL,Fld2 int(11) default NULL);
+INSERT INTO t1 VALUES (1,10),(1,20),(2,NULL),(2,NULL),(3,50);
+select Fld1, max(Fld2) as q from t1 group by Fld1 having q is not null;
+select Fld1, max(Fld2) from t1 group by Fld1 having max(Fld2) is not null;
+select Fld1, max(Fld2) from t1 group by Fld1 having avg(Fld2) is not null;
+select Fld1, max(Fld2) from t1 group by Fld1 having std(Fld2) is not null;
+drop table t1;

mysql-test/t/type_date.test

@@ -62,3 +62,16 @@ create table t1 (date date);
 insert into t1 values ("2000-08-10"),("2000-08-11");
 select date_add(date,INTERVAL 1 DAY),date_add(date,INTERVAL 1 SECOND) from t1;
 drop table t1;
+
+#
+# Test problem with DATE_FORMAT
+#
+
+CREATE TABLE t1(AFIELD INT);
+INSERT INTO t1 VALUES(1);
+CREATE TABLE t2(GMT  VARCHAR(32));
+INSERT INTO t2 VALUES('GMT-0800');
+SELECT DATE_FORMAT("2002-03-06 10:11:12", CONCAT('%a, %d %M %Y %H:%i:%s ' ,  t2.GMT)) FROM t1, t2 GROUP BY t1.AFIELD;
+INSERT INTO t1 VALUES(1);
+SELECT DATE_FORMAT("2002-03-06 10:11:12", CONCAT('%a, %d %M %Y %H:%i:%s ' ,  t2.GMT)), DATE_FORMAT("2002-03-06 10:11:12",  CONCAT('%a, %d %M %Y %H:%i:%s ' ,  t2.GMT)) FROM t1,t2 GROUP BY t1.AFIELD;
+drop table t1,t2;

mysys/my_getopt.c

@@ -14,7 +14,6 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
-#include <my_config.h>
 #include <my_global.h>
 #include <m_string.h>
 #include <stdlib.h>
@@ -452,7 +451,7 @@ static void init_variables(const struct my_option *options)
     {
       if (options->var_type == GET_LONG)
 	*((long*) options->u_max_value)= *((long*) options->value)=
-	  options->def_value;
+	  (long) options->def_value;
       else if (options->var_type == GET_LL)
 	*((longlong*) options->u_max_value)= *((longlong*) options->value)=
 	  options->def_value;

scripts/mysqld_safe.sh

@@ -291,7 +291,7 @@ do
     I=1
     while test "$I" -le "$numofproces"
     do 
-      PROC=`ps xa | grep $ledir/$MYSQLD | grep -v "grep" | tail -1` 
+      PROC=`ps xa | grep $ledir/$MYSQLD | grep -v "grep" | sed -n '$p'` 
 	for T in $PROC
 	do
 	  break

scripts/mysqlhotcopy.sh

@@ -37,7 +37,7 @@ WARNING: THIS PROGRAM IS STILL IN BETA. Comments/patches welcome.
 
 # Documentation continued at end of file
 
-my $VERSION = "1.14";
+my $VERSION = "1.15";
 
 my $opt_tmpdir = $ENV{TMPDIR} || "/tmp";
 
@@ -562,7 +562,7 @@ sub copy_files {
 	# add recursive option for scp
 	push @cp, "-r" if $^O =~ /m^(solaris|linux|freebsd)$/ && $method =~ /^scp\b/;
 
-	my @non_raid = grep { $_ !~ m:\d\d/: } @$files;
+	my @non_raid = grep { ! m:/\d{2}/[^/]+$: } @$files;
 
 	# add files to copy and the destination directory
 	safe_system( @cp, @non_raid, $target );

sql-bench/server-cfg.sh

@@ -958,7 +958,7 @@ sub version
   {
     if ($dir && -e "$dir/bin/solcon")
     {
-      $version=`$dir/bin/solcon -e"ver" $main::opt_user $main::opt_password | grep Server | head -1`;
+      $version=`$dir/bin/solcon -e"ver" $main::opt_user $main::opt_password | grep Server | sed q`;
       if ($? == 0)
       {
 	chomp($version);

sql/filesort.cc

@@ -452,9 +452,6 @@ static void make_sortkey(register SORTPARAM *param,
       {
 	if (field->is_null())
 	{
-	  if (sort_field->reverse)
-	    bfill(to,sort_field->length+1,(char) 255);
-	  else
 	  bzero((char*) to,sort_field->length+1);
 	  to+= sort_field->length+1;
 	  continue;

sql/item.h

@@ -343,6 +343,11 @@ public:
     null_value=(*ref)->null_value;
     return tmp;
   }
+  bool is_null()
+  {
+    (void) (*ref)->val_int_result();
+    return (*ref)->null_value;
+  }
   bool get_date(TIME *ltime,bool fuzzydate)
   {  
     return (null_value=(*ref)->get_date(ltime,fuzzydate));

sql/item_sum.h

@@ -64,6 +64,7 @@ public:
   { return new Item_field(field);}
   table_map used_tables() const { return ~(table_map) 0; } /* Not used */
   bool const_item() const { return 0; }
+  bool is_null() { return null_value; }
   void update_used_tables() { }
   void make_field(Send_field *field);
   void print(String *str);
@@ -202,6 +203,7 @@ public:
   enum Type type() const { return FIELD_AVG_ITEM; }
   double val();
   longlong val_int() { return (longlong) val(); }
+  bool is_null() { (void) val_int(); return null_value; }
   String *val_str(String*);
   void make_field(Send_field *field);
   void fix_length_and_dec() {}
@@ -239,6 +241,7 @@ public:
   double val();
   longlong val_int() { return (longlong) val(); }
   String *val_str(String*);
+  bool is_null() { (void) val_int(); return null_value; }
   void make_field(Send_field *field);
   void fix_length_and_dec() {}
 };

sql/item_timefunc.cc

@@ -672,7 +672,7 @@ String *Item_func_date_format::val_str(String *str)
   else
     size=format_length(format);
   if (format == str)
-    str= &str_value;				// Save result here
+    str= &value;				// Save result here
   if (str->alloc(size))
   {
     null_value=1;

sql/item_timefunc.h

@@ -333,6 +333,7 @@ class Item_func_date_format :public Item_str_func
 {
   int fixed_length;
   const bool date_or_time;
+  String value;
 public:
   Item_func_date_format(Item *a,Item *b,bool date_or_time_arg)
     :Item_str_func(a,b),date_or_time(date_or_time_arg) {}

sql/mysqld.cc

@@ -484,11 +484,25 @@ static void close_connections(void)
 #ifdef __NT__
   if ( hPipe != INVALID_HANDLE_VALUE )
   {
-    HANDLE hTempPipe = &hPipe;
+    HANDLE temp;
     DBUG_PRINT( "quit", ("Closing named pipes") );
-    hPipe = INVALID_HANDLE_VALUE;
+     
-    DisconnectNamedPipe( hTempPipe );
+    /* Create connection to the handle named pipe handler to break the loop */
-    CloseHandle( hTempPipe );
+    if ((temp = CreateFile(szPipeName,
+			   GENERIC_READ | GENERIC_WRITE,
+			   0,
+			   NULL,
+			   OPEN_EXISTING,
+			   0,
+			   NULL )) != INVALID_HANDLE_VALUE)
+    {
+      WaitNamedPipe(szPipeName, 1000);
+      DWORD dwMode = PIPE_READMODE_BYTE | PIPE_WAIT;
+      SetNamedPipeHandleState(temp, &dwMode, NULL, NULL);
+      CancelIo(temp);
+      DisconnectNamedPipe(temp);
+      CloseHandle(temp);
+    }
   }
 #endif
 #ifdef HAVE_SYS_UN_H
@@ -771,8 +785,10 @@ void clean_up(bool print_message)
   my_free(opt_ssl_ca,MYF(MY_ALLOW_ZERO_PTR));
   my_free(opt_ssl_capath,MYF(MY_ALLOW_ZERO_PTR));
   my_free(opt_ssl_cipher,MYF(MY_ALLOW_ZERO_PTR));
+  my_free((gptr) ssl_acceptor_fd, MYF(MY_ALLOW_ZERO_PTR));
   opt_ssl_key=opt_ssl_cert=opt_ssl_ca=opt_ssl_capath=0;
 #endif /* HAVE_OPENSSL */
+
   free_defaults(defaults_argv);
   my_free(charsets_list, MYF(MY_ALLOW_ZERO_PTR));
   my_free(allocated_mysql_tmpdir,MYF(MY_ALLOW_ZERO_PTR));
@@ -1775,7 +1791,8 @@ int main(int argc, char **argv)
   if (opt_use_ssl)
   {
     ssl_acceptor_fd = new_VioSSLAcceptorFd(opt_ssl_key, opt_ssl_cert,
-			   opt_ssl_ca, opt_ssl_capath, opt_ssl_cipher);
+					   opt_ssl_ca, opt_ssl_capath,
+					   opt_ssl_cipher);
     DBUG_PRINT("info",("ssl_acceptor_fd: %p",ssl_acceptor_fd));
     if (!ssl_acceptor_fd)
       opt_use_ssl = 0;
@@ -1906,6 +1923,14 @@ The server will not act as a slave.");
   if (opt_slow_log)
     open_log(&mysql_slow_log, glob_hostname, opt_slow_logname, "-slow.log",
 	     LOG_NORMAL);
+#ifdef __WIN__
+#define MYSQL_ERR_FILE "mysql.err"
+  if (!opt_console)
+  {
+    freopen(MYSQL_ERR_FILE,"a+",stdout);
+    freopen(MYSQL_ERR_FILE,"a+",stderr);
+  }
+#endif
   if (ha_init())
   {
     sql_print_error("Can't init databases");
@@ -1931,13 +1956,8 @@ The server will not act as a slave.");
   ft_init_stopwords(ft_precompiled_stopwords);
 
 #ifdef __WIN__
-#define MYSQL_ERR_FILE "mysql.err"
   if (!opt_console)
-  {
-    freopen(MYSQL_ERR_FILE,"a+",stdout);
-    freopen(MYSQL_ERR_FILE,"a+",stderr);
     FreeConsole();				// Remove window
-  }
 #endif
 
   /*
@@ -2023,7 +2043,7 @@ The server will not act as a slave.");
 #ifdef __NT__
   if (hPipe == INVALID_HANDLE_VALUE && !have_tcpip)
   {
-    sql_print_error("TCP/IP must be installed on Win98 platforms");
+    sql_print_error("TCP/IP or Named Pipes should be installed on NT OS");
   }
   else
   {
@@ -2082,42 +2102,26 @@ The server will not act as a slave.");
 #ifdef EXTRA_DEBUG2
   sql_print_error("After lock_thread_count");
 #endif
-#else
+#endif /* __WIN__ */
-#if !defined(EMBEDDED_LIBRARY)
+
-  if (Service.IsNT())
-  {
-    if(start_mode)
-    {
-      if (WaitForSingleObject(hEventShutdown,1000)==WAIT_TIMEOUT)
-        Service.Stop();
-    }
-    else
-    {
-      Service.SetShutdownEvent(0);
-      if(hEventShutdown) CloseHandle(hEventShutdown);
-    }
-  }
-  else
-  {
-    Service.SetShutdownEvent(0);
-    if(hEventShutdown) CloseHandle(hEventShutdown);
-  }
-#endif
-#endif
-#ifdef HAVE_OPENSSL
-  my_free((gptr)ssl_acceptor_fd,MYF(MY_ALLOW_ZERO_PTR));
-#endif /* HAVE_OPENSSL */
   /* Wait until cleanup is done */
   (void) pthread_mutex_lock(&LOCK_thread_count);
-  DBUG_PRINT("quit", ("Got thread_count mutex for clean up wait"));
-
   while (!ready_to_exit)
   {
-    DBUG_PRINT("quit", ("not yet ready to exit"));
     pthread_cond_wait(&COND_thread_count,&LOCK_thread_count);
   }
-  DBUG_PRINT("quit", ("ready to exit"));
   (void) pthread_mutex_unlock(&LOCK_thread_count);
+
+#if defined(__WIN__) && !defined(EMBEDDED_LIBRARY)
+  if (Service.IsNT() && start_mode)
+    Service.Stop();
+  else
+  {
+    Service.SetShutdownEvent(0);
+    if (hEventShutdown)
+      CloseHandle(hEventShutdown);
+  }
+#endif
   my_end(opt_endinfo ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
   exit(0);
   return(0);					/* purecov: deadcode */

sql/opt_range.cc

@@ -2523,13 +2523,13 @@ int QUICK_SELECT::cmp_next(QUICK_RANGE *range)
 
 
 /*
- * This is a hack: we inherit from QUICK_SELECT so that we can use the
+  This is a hack: we inherit from QUICK_SELECT so that we can use the
- * get_next() interface, but we have to hold a pointer to the original
+  get_next() interface, but we have to hold a pointer to the original
- * QUICK_SELECT because its data are used all over the place.  What
+  QUICK_SELECT because its data are used all over the place.  What
- * should be done is to factor out the data that is needed into a base
+  should be done is to factor out the data that is needed into a base
- * class (QUICK_SELECT), and then have two subclasses (_ASC and _DESC)
+  class (QUICK_SELECT), and then have two subclasses (_ASC and _DESC)
- * which handle the ranges and implement the get_next() function.  But
+  which handle the ranges and implement the get_next() function.  But
- * for now, this seems to work right at least.
+  for now, this seems to work right at least.
  */
 
 QUICK_SELECT_DESC::QUICK_SELECT_DESC(QUICK_SELECT *q, uint used_key_parts)
@@ -2538,6 +2538,7 @@ QUICK_SELECT_DESC::QUICK_SELECT_DESC(QUICK_SELECT *q, uint used_key_parts)
   bool not_read_after_key = file->option_flag() & HA_NOT_READ_AFTER_KEY;
   QUICK_RANGE *r;
 
+  it.rewind();
   for (r = it++; r; r = it++)
   {
     rev_ranges.push_front(r);

sql/opt_range.h

@@ -77,6 +77,7 @@ public:
   void reset(void) { next=0; it.rewind(); }
   int init() { return error=file->index_init(index); }
   virtual int get_next();
+  virtual bool reverse_sorted() { return 0; }
   int cmp_next(QUICK_RANGE *range);
   bool unique_key_range();
 };
@@ -87,6 +88,7 @@ class QUICK_SELECT_DESC: public QUICK_SELECT
 public:
   QUICK_SELECT_DESC(QUICK_SELECT *q, uint used_key_parts);
   int get_next();
+  bool reverse_sorted() { return 1; }
 private:
   int cmp_prev(QUICK_RANGE *range);
   bool range_reads_after_key(QUICK_RANGE *range);
@@ -96,6 +98,7 @@ private:
   List_iterator<QUICK_RANGE> rev_it;
 };
 
+
 class SQL_SELECT :public Sql_alloc {
  public:
   QUICK_SELECT *quick;		// If quick-select used

sql/sql_acl.cc

@@ -221,6 +221,8 @@ int acl_init(bool dont_read_acl_tables)
       user.x509_issuer=get_field(&mem, table, 19);
       user.x509_subject=get_field(&mem, table, 20);
     }
+    else
+      user.ssl_type=SSL_TYPE_NONE;
 #endif /* HAVE_OPENSSL */
     if (user.password && (length=(uint) strlen(user.password)) == 8 &&
 	protocol_version == PROTOCOL_VERSION)

sql/sql_base.cc

@@ -273,7 +273,6 @@ void intern_close_table(TABLE *table)
   free_io_cache(table);
   if (table->file)
     VOID(closefrm(table));			// close file
-  hash_free(&table->name_hash);
 }
 
 

sql/sql_select.cc

@@ -612,8 +612,7 @@ mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &fields,COND *conds,
 				  HA_POS_ERROR : thd->select_limit,0))))
       order=0;
     select_describe(&join,need_tmp,
-		    (order != 0 &&
+		    order != 0 && !skip_sort_order,
-		     (!need_tmp || order != group || simple_group)),
 		    select_distinct);
     error=0;
     goto err;
@@ -5451,7 +5450,16 @@ static uint find_shortest_key(TABLE *table, key_map usable_keys)
 }
 
 
-/* Return 1 if we don't have to do file sorting */
+/*
+  Test if we can skip the ORDER BY by using an index.
+
+  If we can use an index, the JOIN_TAB / tab->select struct
+  is changed to use the index.
+
+  Return:
+     0 We have to use filesort to do the sorting
+     1 We can use an index.
+*/
 
 static bool
 test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
@@ -5496,6 +5504,12 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
       if (order_direction == -1)		// If ORDER BY ... DESC
       {
 	if (select && select->quick)
+	{
+	  /*
+	    Don't reverse the sort order, if it's already done.
+	    (In some cases test_if_order_by_key() can be called multiple times
+	  */
+	  if (!select->quick->reverse_sorted())
 	  {
 	    // ORDER BY range_key DESC
 	    QUICK_SELECT_DESC *tmp=new QUICK_SELECT_DESC(select->quick,
@@ -5506,6 +5520,7 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
 	      DBUG_RETURN(0);		// Reverse sort not supported
 	    }
 	    select->quick=tmp;
+	  }
 	  DBUG_RETURN(1);
 	}
 	if (tab->ref.key_parts < used_key_parts)

sql/sql_yacc.yy

@@ -32,7 +32,7 @@
 extern void yyerror(const char*);
 int yylex(void *yylval);
 
-#define yyoverflow(A,B,C,D,E,F) if (my_yyoverflow((B),(D),(F))) { yyerror((char*) (A)); return 2; }
+#define yyoverflow(A,B,C,D,E,F) if (my_yyoverflow((B),(D),(int*) (F))) { yyerror((char*) (A)); return 2; }
 
 inline Item *or_or_concat(Item* A, Item* B)
 {

sql/table.cc

@@ -576,6 +576,7 @@ int openfrm(const char *name, const char *alias, uint db_stat, uint prgflag,
   delete outparam->file;
   outparam->file=0;				// For easyer errorchecking
   outparam->db_stat=0;
+  hash_free(&outparam->name_hash);
   free_root(&outparam->mem_root,MYF(0));
   my_free(outparam->table_name,MYF(MY_ALLOW_ZERO_PTR));
   DBUG_RETURN (error);
@@ -603,6 +604,7 @@ int closefrm(register TABLE *table)
   }
   delete table->file;
   table->file=0;				/* For easyer errorchecking */
+  hash_free(&table->name_hash);
   free_root(&table->mem_root,MYF(0));
   DBUG_RETURN(error);
 }

strings/longlong2str-x86.s

@@ -1,18 +1,17 @@
-/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+# Copyright (C) 2000 MySQL AB
-   
+# This program is free software; you can redistribute it and/or modify
-   This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
-   it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
-   the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
-   (at your option) any later version.
+#
-   
+# This program is distributed in the hope that it will be useful,
-   This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
-   GNU General Public License for more details.
+#
-   
+# You should have received a copy of the GNU General Public License
-   You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
-   along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
 # Optimized longlong2str function for Intel 80x86  (gcc/gas syntax) 
 # Some set sequences are optimized for pentuimpro II 

strings/strings-x86.s

@@ -1,38 +1,37 @@
-/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+# Copyright (C) 2000 MySQL AB
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
-   This program is free software; you can redistribute it and/or modify
+# Optimized string functions Intel 80x86  (gcc/gas syntax)
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-   
-   This program 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 General Public License for more details.
-   
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
-
-/* Optimized string functions Intel 80x86  (gcc/gas syntax) */
 
 	.file	"strings.s"
 	.version "1.00"
 
 .text
 
-	/*  Move a alligned, not overlapped, by (long) divided memory area */
+#	Move a alligned, not overlapped, by (long) divided memory area
-	/*  Args: to,from,length */
+#	Args: to,from,length
 
 .globl bmove_allign
 	.type	 bmove_allign,@function
 bmove_allign:	
 	movl	%edi,%edx
 	movl	%esi,%eax
-	movl	4(%esp),%edi		/* to */
+	movl	4(%esp),%edi		# to
-	movl	8(%esp),%esi		/* from */
+	movl	8(%esp),%esi		# from
-	movl	12(%esp),%ecx		/* length */
+	movl	12(%esp),%ecx		# length
-	addw	$3,%cx			/* fix if not divisible with long */
+	addw	$3,%cx			# fix if not divisible with long
 	shrw	$2,%cx
 	rep
 	movsl
@@ -42,198 +41,198 @@ bmove_allign:
 .end:
 	.size	 bmove_allign,.end-bmove_allign
 
-	/* Move a string from higher to lower */
+	# Move a string from higher to lower
-	/* Arg from+1,to+1,length */
+	# Arg from+1,to+1,length
 
 .globl bmove_upp
 	.type bmove_upp,@function
 bmove_upp:	
-	std				/*  Work downward */
+	std				#  Work downward
 	movl	%edi,%edx
 	movl	%esi,%eax
-	movl	4(%esp),%edi		/* p1 */
+	movl	4(%esp),%edi		# p1
-	movl	8(%esp),%esi		/* p2 */
+	movl	8(%esp),%esi		# p2
-	movl	12(%esp),%ecx		/* length */
+	movl	12(%esp),%ecx		# length
-	decl	%edi			/*  Don't move last arg */
+	decl	%edi			#  Don't move last arg
 	decl	%esi
 	rep
-	movsb				/*  One byte a time because overlap */
+	movsb				#  One byte a time because overlap
-	cld				/*  C library wants cld */
+	cld				#  C library wants cld
 	movl	%eax,%esi
 	movl	%edx,%edi
 	ret
 .bmove_upp_end:	
 	.size bmove_upp,.bmove_upp_end-bmove_upp
 
-	/* Append fillchars to string */
+	# Append fillchars to string
-	/* Args: dest,len,fill */
+	# Args: dest,len,fill
 
 .globl strappend
 	.type strappend,@function
 strappend:	
 	pushl	%edi
-	movl	8(%esp),%edi		/*  Memory pointer */
+	movl	8(%esp),%edi		#  Memory pointer
-	movl	12(%esp),%ecx		/*  Length */
+	movl	12(%esp),%ecx		#  Length
-	clrl	%eax			/*  Find end of string */
+	clrl	%eax			#  Find end of string
 	repne
 	scasb
-	jnz	sa_99			/*  String to long, shorten it */
+	jnz	sa_99			#  String to long, shorten it
-	movzb	16(%esp),%eax		/*  Fillchar */
+	movzb	16(%esp),%eax		#  Fillchar
-	decl	%edi			/*  Point at end null */
+	decl	%edi			#  Point at end null
-	incl	%ecx			/*  rep made one dec for null-char */
+	incl	%ecx			#  rep made one dec for null-char
 
-	movb	%al,%ah			/* (2) Set up a 32 bit pattern. */
+	movb	%al,%ah			# (2) Set up a 32 bit pattern.
-	movw	%ax,%dx			/* (2) */
+	movw	%ax,%dx			# (2)
-	shll	$16,%eax		/* (3) */
+	shll	$16,%eax		# (3)
-	movw	%dx,%ax			/* (2) %eax has the 32 bit pattern. */
+	movw	%dx,%ax			# (2) %eax has the 32 bit pattern.
 
-	movl	%ecx,%edx		/* (2) Save the count of bytes. */
+	movl	%ecx,%edx		# (2) Save the count of bytes.
-	shrl	$2,%ecx			/* (2) Number of dwords. */
+	shrl	$2,%ecx			# (2) Number of dwords.
 	rep
-	stosl				/* (5 + 5n) */
+	stosl				# (5 + 5n)
-	movb	$3,%cl			/* (2) */
+	movb	$3,%cl			# (2)
-	and	%edx,%ecx		/* (2) Fill in the odd bytes*/
+	and	%edx,%ecx		# (2) Fill in the odd bytes
 	rep
-	stosb				/*  Move last bytes if any */
+	stosb				#  Move last bytes if any
 
-sa_99:	movb	$0,(%edi)		/*  End of string */
+sa_99:	movb	$0,(%edi)		#  End of string
 	popl	%edi
 	ret
 .strappend_end:	
 	.size strappend,.strappend_end-strappend
 
-	/* Find if string contains any char in another string */
+	# Find if string contains any char in another string
-	/* Arg: str,set */
+	# Arg: str,set
-	/* Ret: Pointer to first found char in str */
+	# Ret: Pointer to first found char in str
 
 .globl strcont
 	.type strcont,@function
 strcont:	
 	movl	%edi,%edx
 	pushl	%esi
-	movl	8(%esp),%esi		/*  str */
+	movl	8(%esp),%esi		#  str
-	movl	12(%esp),%ecx		/*  set */
+	movl	12(%esp),%ecx		#  set
-	clrb	%ah			/*  For endtest */
+	clrb	%ah			#  For endtest
 	jmp	sc_60
 
 sc_10:	scasb
-	jz	sc_fo			/*  Found char */
+	jz	sc_fo			#  Found char
-sc_20:	cmp	(%edi),%ah		/*  Test if null */
+sc_20:	cmp	(%edi),%ah		#  Test if null
-	jnz	sc_10			/*  Not end of set yet */
+	jnz	sc_10			#  Not end of set yet
-	incl	%esi			/*  Next char in str */
+	incl	%esi			#  Next char in str
-sc_60:	movl	%ecx,%edi		/*  %edi = Set */
+sc_60:	movl	%ecx,%edi		#  %edi = Set
-	movb	(%esi),%al		/*  Test if this char exist */
+	movb	(%esi),%al		#  Test if this char exist
 	andb	%al,%al
-	jnz	sc_20			/*  Not end of string */
+	jnz	sc_20			#  Not end of string
-	clrl	%esi			/*  Return Null */
+	clrl	%esi			#  Return Null
-sc_fo:	movl	%esi,%eax		/*  Char found here */
+sc_fo:	movl	%esi,%eax		#  Char found here
-	movl	%edx,%edi		/*  Restore */
+	movl	%edx,%edi		#  Restore
 	popl	%esi
 	ret
 .strcont_end:	
 	.size strcont,.strcont_end-strcont
 
-	/* Find end of string */
+	# Find end of string
-	/* Arg: str */
+	# Arg: str
-	/* ret: Pointer to end null */
+	# ret: Pointer to end null
 
 .globl strend
 	.type strend,@function
 strend:	
-	movl	%edi,%edx		/*  Save */
+	movl	%edi,%edx		#  Save
-	movl	4(%esp),%edi		/*  str */
+	movl	4(%esp),%edi		#  str
-	clrl	%eax			/*  Find end of string */
+	clrl	%eax			#  Find end of string
 	movl	%eax,%ecx
-	decl	%ecx			/*  ECX = -1 */
+	decl	%ecx			#  ECX = -1
 	repne
 	scasb
 	movl	%edi,%eax
-	decl	%eax			/*  End of string */
+	decl	%eax			#  End of string
-	movl	%edx,%edi		/*  Restore */
+	movl	%edx,%edi		#  Restore
 	ret
 .strend_end:	
 	.size strend,.strend_end-strend
 
-	/* Make a string with len fill-chars and endnull */
+	# Make a string with len fill-chars and endnull
-	/* Args: dest,len,fill */
+	# Args: dest,len,fill
-	/* Ret:  dest+len */
+	# Ret:  dest+len
 
 .globl strfill
 	.type strfill,@function
 strfill:
 	pushl	%edi
-	movl	8(%esp),%edi		/*  Memory pointer */
+	movl	8(%esp),%edi		#  Memory pointer
-	movl	12(%esp),%ecx		/*  Length */
+	movl	12(%esp),%ecx		#  Length
-	movzb	16(%esp),%eax		/*  Fill */
+	movzb	16(%esp),%eax		#  Fill
 
-	movb	%al,%ah			/* (2) Set up a 32 bit pattern */
+	movb	%al,%ah			# (2) Set up a 32 bit pattern
-	movw	%ax,%dx			/* (2) */
+	movw	%ax,%dx			# (2)
-	shll	$16,%eax		/* (3) */
+	shll	$16,%eax		# (3)
-	movw	%dx,%ax			/* (2) %eax has the 32 bit pattern. */
+	movw	%dx,%ax			# (2) %eax has the 32 bit pattern.
 
-	movl	%ecx,%edx		/* (2) Save the count of bytes. */
+	movl	%ecx,%edx		# (2) Save the count of bytes.
-	shrl	$2,%ecx			/* (2) Number of dwords. */
+	shrl	$2,%ecx			# (2) Number of dwords.
 	rep
-	stosl				/* (5 + 5n) */
+	stosl				# (5 + 5n)
-	movb	$3,%cl			/* (2) */
+	movb	$3,%cl			# (2)
-	and	%edx,%ecx		/* (2) Fill in the odd bytes */
+	and	%edx,%ecx		# (2) Fill in the odd bytes
 	rep
-	stosb				/*  Move last bytes if any */
+	stosb				#  Move last bytes if any
 
-	movb	%cl,(%edi)		/*  End NULL */
+	movb	%cl,(%edi)		#  End NULL
-	movl	%edi,%eax		/*  End i %eax */
+	movl	%edi,%eax		#  End i %eax
 	popl	%edi
 	ret
 .strfill_end:	
 	.size strfill,.strfill_end-strfill
 
 
-	/* Find a char in or end of a string */
+	# Find a char in or end of a string
-	/* Arg: str,char */
+	# Arg: str,char
-	/* Ret: pointer to found char or NullS */
+	# Ret: pointer to found char or NullS
 
 .globl strcend
 	.type strcend,@function
 strcend:
 	movl	%edi,%edx
-	movl	4(%esp),%edi		/* str */
+	movl	4(%esp),%edi		# str
-	movb	8(%esp),%ah		/* search */
+	movb	8(%esp),%ah		# search
-	clrb	%al			/* for scasb to find end */
+	clrb	%al			# for scasb to find end
 
 se_10:	cmpb	(%edi),%ah
-	jz	se_20			/* Found char */
+	jz	se_20			# Found char
 	scasb
-	jnz	se_10			/* Not end */
+	jnz	se_10			# Not end
-	dec 	%edi			/* Not found, point at end of string */
+	dec 	%edi			# Not found, point at end of string
 se_20:	movl	%edi,%eax
-	movl	%edx,%edi		/* Restore */
+	movl	%edx,%edi		# Restore
 	ret
 .strcend_end:	
 	.size strcend,.strcend_end-strcend
 
-	/* Test if string has a given suffix */
+	# Test if string has a given suffix
 
 .globl is_prefix
 	.type is_prefix,@function
 is_prefix:	
-	movl	%edi,%edx		/* Save %edi */
+	movl	%edi,%edx		# Save %edi
-	pushl	%esi			/* and %esi */
+	pushl	%esi			# and %esi
-	movl	12(%esp),%esi		/* get suffix */
+	movl	12(%esp),%esi		# get suffix
-	movl	8(%esp),%edi		/* s1 */
+	movl	8(%esp),%edi		# s1
-	movl	$1,%eax			/* Ok and zero-test */
+	movl	$1,%eax			# Ok and zero-test
 ip_10:	cmpb	(%esi),%ah
-	jz	suf_ok			/* End of string/ found suffix */
+	jz	suf_ok			# End of string/ found suffix
-	cmpsb				/* Compare strings */
+	cmpsb				# Compare strings
-	jz	ip_10			/* Same, possible prefix */
+	jz	ip_10			# Same, possible prefix
-	xor	%eax,%eax		/* Not suffix */
+	xor	%eax,%eax		# Not suffix
 suf_ok:	popl	%esi
 	movl	%edx,%edi
 	ret
 .is_prefix_end:	
 	.size is_prefix,.is_prefix_end-is_prefix
 
-	/* Find a substring in string */
+	# Find a substring in string
-	/* Arg: str,search */
+	# Arg: str,search
 
 .globl strstr
 	.type strstr,@function
@@ -241,31 +240,31 @@ suf_ok:	popl	%esi
 strstr:	
 	pushl	%edi
 	pushl	%esi
-	movl	12(%esp),%esi		/*  str */
+	movl	12(%esp),%esi		#  str
-	movl	16(%esp),%edi		/*  search */
+	movl	16(%esp),%edi		#  search
 	movl	%edi,%ecx
-	incl	%ecx			/*  %ecx = search+1 */
+	incl	%ecx			#  %ecx = search+1
-	movb	(%edi),%ah		/*  %ah = First char in search */
+	movb	(%edi),%ah		#  %ah = First char in search
 	jmp	sf_10
 
-sf_00:	movl	%edx,%esi		/*  si = Current str-pos */
+sf_00:	movl	%edx,%esi		#  si = Current str-pos
-sf_10:	movb	(%esi),%al		/*  Test if this char exist */
+sf_10:	movb	(%esi),%al		#  Test if this char exist
 	andb	%al,%al
-	jz	sf_90			/*  End of string, didn't find search */
+	jz	sf_90			#  End of string, didn't find search
 	incl	%esi
 	cmpb	%al,%ah
-	jnz	sf_10			/*  Didn't find first char, continue */
+	jnz	sf_10			#  Didn't find first char, continue
-	movl	%esi,%edx		/*  Save str-pos in %edx */
+	movl	%esi,%edx		#  Save str-pos in %edx
 	movl	%ecx,%edi
 sf_20:	cmpb	$0,(%edi)
-	jz	sf_fo			/*  Found substring */
+	jz	sf_fo			#  Found substring
 	cmpsb
-	jz	sf_20			/*  Char ok */
+	jz	sf_20			#  Char ok
-	jmp	sf_00			/*  Next str-pos */
+	jmp	sf_00			#  Next str-pos
 
-sf_90:	movl	$1,%edx			/*  Return Null */
+sf_90:	movl	$1,%edx			#  Return Null
-sf_fo:	movl	%edx,%eax		/*  Char found here */
+sf_fo:	movl	%edx,%eax		#  Char found here
-	decl	%eax			/*  Pointed one after */
+	decl	%eax			#  Pointed one after
 	popl	%esi
 	popl	%edi
 	ret
@@ -273,8 +272,8 @@ sf_fo:	movl	%edx,%eax		/*  Char found here */
 	.size strstr,.strstr_end-strstr
 
 
-	/* Find a substring in string, return index */
+	# Find a substring in string, return index
-	/* Arg: str,search */
+	# Arg: str,search
 
 .globl strinstr
 	.type strinstr,@function
@@ -282,22 +281,22 @@ sf_fo:	movl	%edx,%eax		/*  Char found here */
 strinstr:
 	pushl	%ebp
 	movl	%esp,%ebp
-	pushl	12(%ebp)		/*  search */
+	pushl	12(%ebp)		#  search
-	pushl	8(%ebp)			/*  str */
+	pushl	8(%ebp)			#  str
 	call	strstr
 	add	$8,%esp
 	or	%eax,%eax
-	jz	si_99			/*  Not found, return NULL */
+	jz	si_99			#  Not found, return NULL
-	sub	8(%ebp),%eax		/*  Pos from start */
+	sub	8(%ebp),%eax		#  Pos from start
-	inc	%eax			/*  And first pos = 1 */
+	inc	%eax			#  And first pos = 1
 si_99:	popl	%ebp
 	ret
 .strinstr_end:	
 	.size strinstr,.strinstr_end-strinstr
 
-	/* Make a string of len length from another string */
+	# Make a string of len length from another string
-	/* Arg: dst,src,length */
+	# Arg: dst,src,length
-	/* ret: end of dst */
+	# ret: end of dst
 
 .globl strmake
 	.type strmake,@function
@@ -305,48 +304,48 @@ si_99:	popl	%ebp
 strmake:	
 	pushl	%edi
 	pushl	%esi
-	movl	12(%esp),%edi		/*  dst */
+	movl	12(%esp),%edi		#  dst
-	movl	16(%esp),%esi		/*  src */
+	movl	16(%esp),%esi		#  src
-	movl	20(%esp),%ecx		/*  Length of memory-area */
+	movl	20(%esp),%ecx		#  Length of memory-area
-	clrb	%al			/*  For test of end-null */
+	clrb	%al			#  For test of end-null
-	jecxz	sm_90			/*  Nothing to move, put zero at end. */
+	jecxz	sm_90			#  Nothing to move, put zero at end.
 
-sm_10:	cmpb	(%esi),%al		/*  Next char to move */
+sm_10:	cmpb	(%esi),%al		#  Next char to move
-	movsb				/*  move arg */
+	movsb				#  move arg
-	jz	sm_99			/*  last char, we are ready */
+	jz	sm_99			#  last char, we are ready
-	loop	sm_10			/*  Continue moving */
+	loop	sm_10			#  Continue moving
-sm_90:	movb	%al,(%edi)		/*  Set end pos */
+sm_90:	movb	%al,(%edi)		#  Set end pos
-	incl	%edi			/*  Fix that di points at end null */
+	incl	%edi			#  Fix that di points at end null
-sm_99:	decl	%edi			/*  di points now at end null */
+sm_99:	decl	%edi			#  di points now at end null
-	movl	%edi,%eax		/*  Ret value.p $ */
+	movl	%edi,%eax		#  Ret value.p $
 	popl	%esi
 	popl	%edi
 	ret
 .strmake_end:	
 	.size strmake,.strmake_end-strmake
 
-	/* Move a string with max len chars */
+	# Move a string with max len chars
-	/* arg: dst,src,len */
+	# arg: dst,src,len
-	/* ret: pos to first null or dst+len */
+	# ret: pos to first null or dst+len
 
 .globl strnmov
 	.type strnmov,@function
 strnmov:	
 	pushl	%edi
 	pushl	%esi
-	movl	12(%esp),%edi		/*  dst */
+	movl	12(%esp),%edi		#  dst
-	movl	16(%esp),%esi		/*  src */
+	movl	16(%esp),%esi		#  src
-	movl	20(%esp),%ecx		/*  Length of memory-area */
+	movl	20(%esp),%ecx		#  Length of memory-area
-	jecxz	snm_99			/*  Nothing to do */
+	jecxz	snm_99			#  Nothing to do
-	clrb	%al			/*  For test of end-null */
+	clrb	%al			#  For test of end-null
 
-snm_10:	cmpb	(%esi),%al		/*  Next char to move */
+snm_10:	cmpb	(%esi),%al		#  Next char to move
-	movsb				/*  move arg */
+	movsb				#  move arg
-	jz	snm_20			/*  last char, fill with null */
+	jz	snm_20			#  last char, fill with null
-	loop	snm_10			/*  Continue moving */
+	loop	snm_10			#  Continue moving
-	incl	%edi			/*  Point two after last */
+	incl	%edi			#  Point two after last
-snm_20:	decl	%edi			/*  Point at first null (or last+1) */
+snm_20:	decl	%edi			#  Point at first null (or last+1)
-snm_99:	movl	%edi,%eax		/*  Pointer at last char */
+snm_99:	movl	%edi,%eax		#  Pointer at last char
 	popl	%esi
 	popl	%edi
 	ret
@@ -357,17 +356,17 @@ snm_99:	movl	%edi,%eax		/*  Pointer at last char */
 .globl strmov
 	.type strmov,@function
 strmov:	
-	movl	%esi,%ecx		/*  Save old %esi and %edi */
+	movl	%esi,%ecx		#  Save old %esi and %edi
 	movl	%edi,%edx
-	movl	8(%esp),%esi		/*  get source pointer (s2) */
+	movl	8(%esp),%esi		#  get source pointer (s2)
-	movl	4(%esp),%edi		/*  %edi -> s1 */
+	movl	4(%esp),%edi		#  %edi -> s1
 smo_10:	movb	(%esi),%al
-	movsb				/*  move arg */
+	movsb				#  move arg
 	andb	%al,%al
-	jnz	smo_10			/*  Not last */
+	jnz	smo_10			#  Not last
 	movl	%edi,%eax
 	dec	%eax
-	movl	%ecx,%esi		/*  Restore */
+	movl	%ecx,%esi		#  Restore
 	movl	%edx,%edi
 	ret
 .strmov_end:	
@@ -376,29 +375,29 @@ smo_10:	movb	(%esi),%al
 .globl strxmov
 	.type	 strxmov,@function
 strxmov:
-	movl	%ebx,%edx		/*  Save %ebx, %esi and %edi */
+	movl	%ebx,%edx		#  Save %ebx, %esi and %edi
 	mov	%esi,%ecx
 	push	%edi
-	leal	8(%esp),%ebx		/*  Get destination */
+	leal	8(%esp),%ebx		#  Get destination
 	movl	(%ebx),%edi
 	xorb	%al,%al
-	jmp	next_str		/*  Handle source ebx+4 */
+	jmp	next_str		#  Handle source ebx+4
 
 start_str:
 	movsb
 	cmpb	-1(%edi),%al
 	jne	start_str
-	decl	%edi			/*  Don't copy last null */
+	decl	%edi			#  Don't copy last null
 
 next_str:
 	addl	$4,%ebx
 	movl	(%ebx),%esi
 	orl	%esi,%esi
 	jne	start_str
-	movb	%al,0(%edi)		/*  Force last to ASCII 0 */
+	movb	%al,0(%edi)		#  Force last to ASCII 0
 
-	movl	%edi,%eax		/*  Return ptr to ASCII 0 */
+	movl	%edi,%eax		#  Return ptr to ASCII 0
-	pop	%edi			/*  Restore registers */
+	pop	%edi			#  Restore registers
 	movl	%ecx,%esi
 	movl	%edx,%ebx
 	ret