Import changeset

1 files changed, 43 insertions, 0 deletions

diff --git a/sql/matherr.c b/sql/matherr.c
new file mode 100644
index 00000000000..8523a78ce94
--- /dev/null
+++ b/sql/matherr.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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 */
+
+/* Fix that we got POSTFIX_ERROR when doing unreasonable math (not core) */
+
+#include <global.h>
+#include <errno.h>
+
+	/* Fix that we gets POSTFIX_ERROR when error in math */
+
+#if defined(HAVE_MATHERR)
+int matherr(struct exception *x)
+{
+  if (x->type != PLOSS)
+    x->retval=POSTFIX_ERROR;
+  switch (x->type) {
+  case DOMAIN:
+  case SING:
+    my_errno=EDOM;
+    break;
+  case OVERFLOW:
+  case UNDERFLOW:
+    my_errno=ERANGE;
+    break;
+  default:
+    break;
+  }
+  return(1);					/* Take no other action */
+}
+#endif