Portability fixes.

Improve mysql-test to be more robust.
Fix that GRANT doesn't delete SSL options
Change innobase_flush_log_at_trx_commit to uint.
Don't rotate logs if we read a rotate log entry from the master.


Docs/manual.texi:
  Changelog
client/mysqlbinlog.cc:
  Handle empty binlogfiles gracefully
client/mysqltest.c:
  Do a sleep after 'sync_with_master'
  Cleaned up sleep() handling.
  Free all memory on exit
configure.in:
  Fix for Mac OS 10.2
include/my_sys.h:
  Added my_strdup_with_length()
innobase/btr/btr0cur.c:
  Fixed wrong printf()
libmysql/libmysql.c:
  Added DBUG_PRINT statements.
  Assume that mysql_...send() functions has correct query length.
mysql-test/mysql-test-run.sh:
  Properly remove log files before starting new tests.
mysql-test/r/grant.result:
  Update for new test results
mysql-test/r/innodb.result:
  Update for new test results
mysql-test/r/myisam.result:
  Update for new test results
mysql-test/r/rpl_log.result:
  Update for new test results
mysql-test/r/rpl_rotate_logs.result:
  Update for new test results
mysql-test/r/variables.result:
  Update for new test results
mysql-test/t/grant.test:
  Test that GRANT doesn't delete SSL options
mysql-test/t/myisam.test:
  Test long key usage
mysql-test/t/rpl_log.test:
  Disable 'show new master'
mysql-test/t/rpl_mystery22.test:
  Longer sleep for more safety.
mysql-test/t/rpl_rotate_logs.test:
  More comments
mysys/my_malloc.c:
  Added my_strdup_with_length()
mysys/safemalloc.c:
  Added my_strdup_with_length()
mysys/thr_alarm.c:
  Fix of alarms for windows.
sql/ha_innodb.cc:
  Change innobase_flush_log_at_trx_commit to uint
mysql-test/r/rpl_redirect.result:
  Updated test results
mysql-test/t/rpl_redirect.test:
  Added more tests to improve code coverage.
sql/ha_innodb.h:
  Change innobase_flush_log_at_trx_commit to uint
sql/item_func.cc:
  Return GLOBAL and SESSION as part of column names
sql/log.cc:
  Only write STOP events when server goes down.
sql/log_event.cc:
  Don't rotate logs if we read a rotate log entry from the master.
sql/log_event.h:
  Change ident_len to uint (more efficient)
sql/mysqld.cc:
  Change innobase_flush_log_at_trx_commit to uint
sql/net_serv.cc:
  More debug output
sql/repl_failsafe.cc:
  More DEBUG
  Search until we find next position in binary log (and not only =)
sql/slave.cc:
  More DBUG & comments
  Don't rotate the binary log on master flush logs
sql/slave.h:
  indentation change
sql/sql_acl.cc:
  Test that GRANT doesn't delete SSL options
sql/sql_parse.cc:
  Disable show_new_master.
sql/sql_repl.cc:
  Chamger show_binlog_events() to use my_error()
sql/sql_table.cc:
  Fixed check for too long keys in MyISAM
sql/sql_udf.cc:
  Fix udf handling

1 files changed, 8 insertions, 6 deletions

diff --git a/sql/sql_udf.cc b/sql/sql_udf.cc
index 8791f547ea6..cd85b3dbaf2 100644
--- a/sql/sql_udf.cc
+++ b/sql/sql_udf.cc
@@ -285,12 +285,14 @@ udf_func *find_udf(const char *name,uint length,bool mark_used)
 
   /* TODO: This should be changed to reader locks someday! */
   pthread_mutex_lock(&THR_LOCK_udf);
-  udf=(udf_func*) hash_search(&udf_hash,(byte*) name,
-			      length ? length : (uint) strlen(name));
-  if (!udf->dlhandle)
-    udf=0;					// Could not be opened
-  else if (mark_used)
-    udf->usage_count++;
+  if ((udf=(udf_func*) hash_search(&udf_hash,(byte*) name,
+				   length ? length : (uint) strlen(name))))
+  {
+    if (!udf->dlhandle)
+      udf=0;					// Could not be opened
+    else if (mark_used)
+      udf->usage_count++;
+  }
   pthread_mutex_unlock(&THR_LOCK_udf);
   DBUG_RETURN(udf);
 }