Remove compiler warnings and remove not used variables

(Found during build process)


extra/comp_err.c:
  Remove compiler warnings
extra/perror.c:
  Remove compiler warnings
innobase/dict/dict0dict.c:
  Remove compiler warnings
innobase/dict/dict0load.c:
  Remove compiler warnings
innobase/pars/pars0sym.c:
  Remove compiler warnings
innobase/row/row0row.c:
  Remove compiler warnings
innobase/row/row0sel.c:
  Remove compiler warnings
libmysqld/lib_sql.cc:
  Remove not used variables
myisam/mi_key.c:
  Remove compiler warnings
regex/engine.c:
  Added comment
sql/derror.cc:
  Remove not used variables
sql/examples/ha_archive.cc:
  Fixed bug in blob handling
  Removed not used variable
sql/field.cc:
  Remove compiler warnings
  Remove not used variables
sql/filesort.cc:
  Remove compiler warnings
sql/ha_heap.cc:
  Remove not used variable
sql/ha_innodb.cc:
  Remove not used variables
  Remove compiler warnings
sql/handler.cc:
  Remove compiler warnings and remove not used variables
sql/item.cc:
  Remove compiler warnings and remove not used variables
sql/item_subselect.cc:
  Remove compiler warnings
sql/item_sum.cc:
  Remove compiler warnings
sql/item_sum.h:
  Remove compiler warnings and remove not used variables
sql/log.cc:
  Remove compiler warnings and remove not used variables
sql/log_event.cc:
  Remove compiler warnings
sql/mysqld.cc:
  Remove compiler warnings and remove not used variables
sql/opt_range.cc:
  Remove compiler warnings and remove not used variables
sql/slave.cc:
  Remove compiler warnings and remove not used variables
sql/sp_pcontext.cc:
  Remove compiler warnings and remove not used variables
sql/sql_acl.cc:
  Remove compiler warnings and remove not used variables
sql/sql_analyse.cc:
  Remove compiler warnings and remove not used variables
sql/sql_base.cc:
  Remove compiler warnings and remove not used variables
sql/sql_db.cc:
  Remove compiler warnings and remove not used variables
sql/sql_help.cc:
  Remove compiler warnings and remove not used variables
sql/sql_insert.cc:
  Remove compiler warnings and remove not used variables
sql/sql_load.cc:
  Remove compiler warnings and remove not used variables
sql/sql_parse.cc:
  Remove compiler warnings and remove not used variables
sql/sql_prepare.cc:
  Remove compiler warnings and remove not used variables
sql/sql_select.cc:
  Remove compiler warnings and remove not used variables
sql/sql_show.cc:
  Remove compiler warnings and remove not used variables
sql/sql_table.cc:
  Remove compiler warnings
sql/sql_union.cc:
  Remove compiler warnings
sql/sql_update.cc:
  Remove compiler warnings and remove not used variables
sql/sql_yacc.yy:
  Remove compiler warnings and remove not used variables
sql/strfunc.cc:
  Remove compiler warnings and remove not used variables
strings/ctype-ucs2.c:
  Remove compiler warnings
tests/mysql_client_test.c:
  Remove compiler warnings and remove not used variables
tools/mysqlmanager.c:
  Remove compiler warnings and remove not used variables

1 files changed, 3 insertions, 4 deletions

diff --git a/sql/examples/ha_archive.cc b/sql/examples/ha_archive.cc
index 98ed65fc786..c519b411a24 100644
--- a/sql/examples/ha_archive.cc
+++ b/sql/examples/ha_archive.cc
@@ -600,13 +600,13 @@ int ha_archive::write_row(byte * buf)
        ptr != end ;
        ptr++)
   {
-    char *ptr;
+    char *data_ptr;
     uint32 size= ((Field_blob*) table->field[*ptr])->get_length();
 
     if (size)
     {
-      ((Field_blob*) table->field[*ptr])->get_ptr(&ptr);
-      written= gzwrite(share->archive_write, ptr, (unsigned)size);
+      ((Field_blob*) table->field[*ptr])->get_ptr(&data_ptr);
+      written= gzwrite(share->archive_write, data_ptr, (unsigned)size);
       if (written != size)
         goto error;
     }
@@ -630,7 +630,6 @@ error:
 int ha_archive::rnd_init(bool scan)
 {
   DBUG_ENTER("ha_archive::rnd_init");
-  int read; // gzread() returns int, and we use this to check the header
   
   if (share->crashed)
       DBUG_RETURN(HA_ERR_CRASHED_ON_USAGE);