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-rw-r--r--sql/matherr.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/sql/matherr.c b/sql/matherr.c
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+++ b/sql/matherr.c
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+/* 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