first commit based on psycopg2 2.9 version

psycopg/error.h

@@ -0,0 +1,46 @@
+/* error.h - definition for the psycopg base Error type
+ *
+ * Copyright (C) 2013-2019  Daniele Varrazzo <daniele.varrazzo@gmail.com>
+ * Copyright (C) 2020-2021 The Psycopg Team
+ *
+ * This file is part of psycopg.
+ *
+ * psycopg2 is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link this program with the OpenSSL library (or with
+ * modified versions of OpenSSL that use the same license as OpenSSL),
+ * and distribute linked combinations including the two.
+ *
+ * You must obey the GNU Lesser General Public License in all respects for
+ * all of the code used other than OpenSSL.
+ *
+ * psycopg2 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 Lesser General Public
+ * License for more details.
+ */
+
+#ifndef PSYCOPG_ERROR_H
+#define PSYCOPG_ERROR_H 1
+
+extern HIDDEN PyTypeObject errorType;
+
+typedef struct {
+    PyBaseExceptionObject exc;
+
+    PyObject *pgerror;
+    PyObject *pgcode;
+    cursorObject *cursor;
+    PyObject *pydecoder;
+    PGresult *pgres;
+} errorObject;
+
+HIDDEN PyObject *error_text_from_chars(errorObject *self, const char *str);
+HIDDEN BORROWED PyObject *exception_from_sqlstate(const char *sqlstate);
+HIDDEN BORROWED PyObject *base_exception_from_sqlstate(const char *sqlstate);
+
+#endif /* PSYCOPG_ERROR_H */