util.c
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:2k
- /*-------------------------------------------------------------------------
- *
- * util.c
- * general routines for libpq backend
- *
- * Copyright (c) 1994, Regents of the University of California
- *
- * $Id: util.c,v 1.9 1999/05/25 16:09:03 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
- /*
- * UTILITY ROUTINES
- * pqdebug - send a string to the debugging output port
- * pqdebug2 - send two strings to stdout
- * PQtrace - turn on pqdebug() tracing
- * PQuntrace - turn off pqdebug() tracing
- */
- #include <stdio.h>
- #include <string.h>
- #include <postgres.h>
- #include <lib/dllist.h>
- #include <libpq/libpq.h> /* where the declarations go */
- #include <utils/exc.h>
- /* ----------------
- * exceptions
- * ----------------
- */
- Exception MemoryError = {"Memory Allocation Error"};
- Exception PortalError = {"Invalid arguments to portal functions"};
- Exception PostquelError = {"Sql Error"};
- Exception ProtocolError = {"Protocol Error"};
- char PQerrormsg[ERROR_MSG_LENGTH];
- int PQtracep = 0; /* 1 to print out debugging messages */
- FILE *debug_port = (FILE *) NULL;
- /* ----------------------------------------------------------------
- * PQ utility routines
- * ----------------------------------------------------------------
- */
- void
- pqdebug(char *target, char *msg)
- {
- if (!target)
- return;
- if (PQtracep)
- {
- /*
- * if nothing else was suggested default to stdout
- */
- if (!debug_port)
- debug_port = stdout;
- fprintf(debug_port, target, msg);
- fprintf(debug_port, "n");
- }
- }
- void
- pqdebug2(char *target, char *msg1, char *msg2)
- {
- if (!target)
- return;
- if (PQtracep)
- {
- /*
- * if nothing else was suggested default to stdout
- */
- if (!debug_port)
- debug_port = stdout;
- fprintf(debug_port, target, msg1, msg2);
- fprintf(debug_port, "n");
- }
- }
- /* --------------------------------
- * PQtrace() / PQuntrace()
- * --------------------------------
- */
- void
- PQtrace()
- {
- PQtracep = 1;
- }
- void
- PQuntrace()
- {
- PQtracep = 0;
- }