Fixed problems with DECIMAL() type on overflow.

Docs/manual.texi:
  Changlog
configure.in:
  Change to version 3.23.51
  Fix for OSF1
include/mysqld_error.h:
  Added copyright message
isam/pack_isam.c:
  Added copyright message
mysql-test/r/type_decimal.result:
  New test results
mysql-test/t/type_decimal.test:
  New test results
strings/Makefile.am:
  Added mising file

8 files changed, 257 insertions, 28 deletions

diff --git a/Docs/manual.texi b/Docs/manual.texi
index 0243265c506..f1700402c12 100644
--- a/Docs/manual.texi
+++ b/Docs/manual.texi
@@ -46921,6 +46921,13 @@ Fixed the @code{FLOAT(X+1,X)} is not converted to @code{FLOAT(X+2,X)}.
 @item
 Fixed the result from @code{IF()} is case in-sensitive if the 2 and
 third arguments are case sensitive.
+@item
+Fixed core dump problem on OSF in @code{gethostbyname_r}.
+@item
+Fixed that underflowed decimal fields is not zero filled.
+@item
+@code{'+11111'} in overflow for @code{decimal(5,0) unsigned} columns,
+Just sign will be dropped.
 @end itemize
 
 @node News-3.23.50, News-3.23.49, News-3.23.51, News-3.23.x
diff --git a/configure.in b/configure.in
index aa9da7d2ca5..fec4b37ecfc 100644
--- a/configure.in
+++ b/configure.in
@@ -4,7 +4,7 @@ dnl Process this file with autoconf to produce a configure script.
 AC_INIT(sql/mysqld.cc)
 AC_CANONICAL_SYSTEM
 # The Docs Makefile.am parses this line!
-AM_INIT_AUTOMAKE(mysql, 3.23.50)
+AM_INIT_AUTOMAKE(mysql, 3.23.51)
 AM_CONFIG_HEADER(config.h)
 
 PROTOCOL_VERSION=10
@@ -921,6 +921,10 @@ dnl Is this the right match for DEC OSF on alpha?
 	  CFLAGS="$CFLAGS -mieee"
 	  CXXFLAGS="$CXXFLAGS -mieee"
       fi
+      echo "Adding defines for OSF1"
+      # gethostbyname_r is deprecated and doesn't work ok on OSF1
+      CFLAGS="$CFLAGS -DUNDEF_HAVE_GETHOSTBYNAME_R"
+      CXXFLAGS="$CXXFLAGS -DUNDEF_HAVE_GETHOSTBYNAME_R"
     ;;
 esac
 
diff --git a/include/mysqld_error.h b/include/mysqld_error.h
index 81e0dd1d06d..f0fb11c1832 100644
--- a/include/mysqld_error.h
+++ b/include/mysqld_error.h
@@ -1,4 +1,20 @@
-/* Definefile for errormessagenumbers */
+/* 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 */
+
+/* Definefile for error messagenumbers */
 
 #define ER_HASHCHK 1000
 #define ER_NISAMCHK 1001
diff --git a/isam/pack_isam.c b/isam/pack_isam.c
index 3d8512847ae..e7b5170d398 100644
--- a/isam/pack_isam.c
+++ b/isam/pack_isam.c
@@ -1,17 +1,20 @@
-/* Copyright (C) 1979-1999 TcX AB & Monty Program KB & Detron HB
-
-   This software is distributed with NO WARRANTY OF ANY KIND.  No author or
-   distributor accepts any responsibility for the consequences of using it, or
-   for whether it serves any particular purpose or works at all, unless he or
-   she says so in writing.  Refer to the Free Public License (the "License")
-   for full details.
-   Every copy of this file must include a copy of the License, normally in a
-   plain ASCII text file named PUBLIC.	The License grants you the right to
-   copy, modify and redistribute this file, but only under certain conditions
-   described in the License.  Among other things, the License requires that
-   the copyright notice and this notice be preserved on all copies. */
-
-/* Pack isam file*/
+/* Copyright (C) 1979-2002 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 */
+
+/* Pack isam file */
 
 #ifndef USE_MY_FUNC
 #define USE_MY_FUNC			/* We nead at least my_malloc */
diff --git a/mysql-test/r/type_decimal.result b/mysql-test/r/type_decimal.result
index 0877424648b..82b7d155822 100644
--- a/mysql-test/r/type_decimal.result
+++ b/mysql-test/r/type_decimal.result
@@ -3,3 +3,111 @@ id	datatype_id	minvalue	maxvalue	valuename	forecolor	backcolor
 146	16	0.0000000000	1.9000000000		0	16769024
 id	datatype_id	minvalue	maxvalue	valuename	forecolor	backcolor
 143	16	-4.9000000000	-0.1000000000		NULL	15774720
+a
+0.00
+-0.00
++0.00
+01.00
++01.00
+-01.00
+-0.10
++0.10
+0.10
+000000001.00
++00000001.00
+-00000001.00
+111111111.11
+111111111.11
+-11111111.11
+-99999999.99
+999999999.99
+999999999.99
+a
+0.00
+0.00
+0.00
+01.00
+01.00
+0.00
+0.00
+0.10
+0.10
+00000001.00
+00000001.00
+0.00
+99999999.99
+99999999.99
+0.00
+0.00
+99999999.99
+99999999.99
+a
+00000000.00
+00000000.00
+00000000.00
+00000001.00
+00000001.00
+00000000.00
+00000000.00
+00000000.10
+00000000.10
+00000001.00
+00000001.00
+00000000.00
+99999999.99
+99999999.99
+00000000.00
+00000000.00
+99999999.99
+99999999.99
+a
+0.00
+-0.00
+0.00
+1.00
+1.00
+-1.00
+-0.10
+0.10
+0.10
+1.00
+1.00
+-1.00
+111111111.11
+111111111.11
+-11111111.11
+-99999999.99
+999999999.99
+999999999.99
+a
+-9999999999
+-1
++1
+01
++0000000001
+12345678901
+99999999999
+a
+0
+0
+1
+01
+0000000001
+1234567890
+9999999999
+a
+0000000000
+0000000000
+0000000001
+0000000001
+0000000001
+1234567890
+9999999999
+a
+0000000000
+0000000000
+0000000001
+0000000001
+0000000001
+1234567890
+9999999999
diff --git a/mysql-test/t/type_decimal.test b/mysql-test/t/type_decimal.test
index 8d4b50eec4d..70b30d455da 100644
--- a/mysql-test/t/type_decimal.test
+++ b/mysql-test/t/type_decimal.test
@@ -147,3 +147,67 @@ INSERT INTO t1 VALUES ( '146', '16', '0.0000000000', '1.9000000000', '', '0', '1
 select * from t1 where minvalue<=1 and maxvalue>=-1 and datatype_id=16;
 select * from t1 where minvalue<=-1 and maxvalue>=-1 and datatype_id=16;
 drop table t1;
+
+#
+# Test of correct handling leading zero and  +/- signs
+# then values are passed as strings
+# Also test overflow handling in this case
+#
+
+create table t1 (a decimal(10,2));
+insert into t1 values ("0.0"),("-0.0"),("+0.0"),("01.0"),("+01.0"),("-01.0");
+insert into t1 values ("-.1"),("+.1"),(".1");
+insert into t1 values ("00000000000001"),("+0000000000001"),("-0000000000001");
+insert into t1 values ("+111111111.11"),("111111111.11"),("-11111111.11");
+insert into t1 values ("-111111111.11"),("+1111111111.11"),("1111111111.11");
+select * from t1;
+drop  table t1;
+
+create table t1 (a decimal(10,2) unsigned);
+insert into t1 values ("0.0"),("-0.0"),("+0.0"),("01.0"),("+01.0"),("-01.0");
+insert into t1 values ("-.1"),("+.1"),(".1");
+insert into t1 values ("00000000000001"),("+0000000000001"),("-0000000000001");
+insert into t1 values ("+111111111.11"),("111111111.11"),("-11111111.11");
+insert into t1 values ("-111111111.11"),("+1111111111.11"),("1111111111.11");
+select * from t1;
+drop  table t1;
+
+create table t1 (a decimal(10,2) zerofill);
+insert into t1 values ("0.0"),("-0.0"),("+0.0"),("01.0"),("+01.0"),("-01.0");
+insert into t1 values ("-.1"),("+.1"),(".1");
+insert into t1 values ("00000000000001"),("+0000000000001"),("-0000000000001");
+insert into t1 values ("+111111111.11"),("111111111.11"),("-11111111.11");
+insert into t1 values ("-111111111.11"),("+1111111111.11"),("1111111111.11");
+select * from t1;
+drop  table t1;
+
+
+create table t1 (a decimal(10,2));
+insert into t1 values (0.0),(-0.0),(+0.0),(01.0),(+01.0),(-01.0);
+insert into t1 values (-.1),(+.1),(.1);
+insert into t1 values (00000000000001),(+0000000000001),(-0000000000001);
+insert into t1 values (+111111111.11),(111111111.11),(-11111111.11);
+insert into t1 values (-111111111.11),(+1111111111.11),(1111111111.11);
+select * from t1;
+drop  table t1;
+
+#
+# Test correct handling of overflowed decimal values
+#
+
+create table t1 (a decimal);
+insert into t1 values (-99999999999999),(-1),('+1'),('01'),('+00000000000001'),('+12345678901'),(99999999999999);
+select * from t1;
+drop  table t1;
+create table t1 (a decimal unsigned);
+insert into t1 values (-99999999999999),(-1),('+1'),('01'),('+00000000000001'),('+1234567890'),(99999999999999);
+select * from t1;
+drop  table t1;
+create table t1 (a decimal zerofill);
+insert into t1 values (-99999999999999),(-1),('+1'),('01'),('+00000000000001'),('+1234567890'),(99999999999999);
+select * from t1;
+drop  table t1;
+create table t1 (a decimal unsigned zerofill);
+insert into t1 values (-99999999999999),(-1),('+1'),('01'),('+00000000000001'),('+1234567890'),(99999999999999);
+select * from t1;
+drop  table t1;
diff --git a/sql/field.cc b/sql/field.cc
index c6a26a48c0c..246427cc2ac 100644
--- a/sql/field.cc
+++ b/sql/field.cc
@@ -63,8 +63,8 @@ const char field_separator=',';
 *****************************************************************************/
 
 	/*
-	** Calculate length of number and it's parts
-	** Increment cuted_fields if wrong number
+	  Calculate length of number and it's parts
+	  Increment cuted_fields if wrong number
 	*/
 
 static bool
@@ -380,13 +380,34 @@ Field_decimal::reset(void)
 void Field_decimal::overflow(bool negative)
 {
   uint len=field_length;
-  char *to=ptr;
-  if (negative && !unsigned_flag)
+  char *to=ptr, filler= '9';
+  if (negative)
   {
-    *to++ = '-';
-    len--;
+    if (!unsigned_flag)
+    {
+      /* Put - sign as a first digit so we'll have -999..999 or 999..999 */
+      *to++ = '-';
+      len--;
+    }
+    else
+    {
+      filler= '0';				// Fill up with 0
+      if (!zerofill)
+      {
+	/*
+	  Handle unsigned integer without zerofill, in which case
+	  the number should be of format '   0' or '   0.000'
+	*/
+	uint whole_part=field_length- (dec ? dec+2 : 1);
+	// Fill with spaces up to the first digit
+	bfill(to, whole_part, ' ');
+	to+=  whole_part;
+	len-= whole_part;
+	// The main code will also handle the 0 before the decimal point
+      }
+    }
   }
-  bfill(to,len,negative && unsigned_flag ? '0' : '9');
+  bfill(to, len, filler);
   if (dec)
     ptr[field_length-dec-1]='.';
   return;
@@ -421,10 +442,15 @@ void Field_decimal::store(const char *from,uint len)
     from++;
     if (unsigned_flag)				// No sign with zerofill
     {
-      if (!error)
-	current_thd->cuted_fields++;
-      Field_decimal::overflow(1);
-      return;
+      if (decstr.sign_char == '+')		// just remove "+"
+        decstr.sign= 0;
+      else
+      {
+	if (!error)
+	  current_thd->cuted_fields++;
+	Field_decimal::overflow(1);
+	return;
+      }
     }
   }
   /*
diff --git a/strings/Makefile.am b/strings/Makefile.am
index a3ae5357597..d3bb4b54dcf 100644
--- a/strings/Makefile.am
+++ b/strings/Makefile.am
@@ -45,7 +45,8 @@ EXTRA_DIST =		ctype-big5.c ctype-czech.c ctype-euc_kr.c \
                         ctype-gb2312.c ctype-gbk.c ctype-sjis.c \
                         ctype-tis620.c ctype-ujis.c \
                         ctype_autoconf.c \
-                        strto.c strings-x86.s longlong2str-x86.s \
+                        strto.c strings-x86.s \
+			longlong2str.c longlong2str-x86.s \
 			strxmov.c bmove_upp.c strappend.c strcont.c strend.c \
 			strfill.c strcend.c is_prefix.c strstr.c strinstr.c \
 			strmake.c strnmov.c strmov.c strnlen.c \