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diff --git a/bdb/docs/ref/am/error.html b/bdb/docs/ref/am/error.html deleted file mode 100644 index 737e6d66217..00000000000 --- a/bdb/docs/ref/am/error.html +++ /dev/null @@ -1,61 +0,0 @@ -<!--$Id: error.so,v 10.14 2000/12/18 21:05:13 bostic Exp $--> -<!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.--> -<!--All rights reserved.--> -<html> -<head> -<title>Berkeley DB Reference Guide: Error support</title> -<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> -<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++"> -</head> -<body bgcolor=white> - <a name="2"><!--meow--></a> -<table><tr valign=top> -<td><h3><dl><dt>Berkeley DB Reference Guide:<dd>Access Methods</dl></h3></td> -<td width="1%"><a href="../../ref/am/verify.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/arch/bigpic.html"><img src="../../images/next.gif" alt="Next"></a> -</td></tr></table> -<p> -<h1 align=center>Error support</h1> -<p>Berkeley DB offers programmatic support for displaying error return values. -<p>The <a href="../../api_c/env_strerror.html">db_strerror</a> interface returns a pointer to the error -message corresponding to any Berkeley DB error return, similar to the ANSI C -strerror interface, but is able to handle both system error returns and -Berkeley DB specific return values. -<p>For example: -<p><blockquote><pre>int ret; -if ((ret = dbp->put(dbp, NULL, &key, &data, 0)) != 0) { - fprintf(stderr, "put failed: %s\n", db_strerror(ret)); - return (1); -} -</pre></blockquote> -<p>There are also two additional error interfaces, <a href="../../api_c/db_err.html">DB->err</a> and -<a href="../../api_c/db_err.html">DB->errx</a>. These interfaces work like the ANSI C X3.159-1989 (ANSI C) printf -interface, taking a printf-style format string and argument list, and -writing a message constructed from the format string and arguments. -<p>The <a href="../../api_c/db_err.html">DB->err</a> function appends the standard error string to the constructed -message, the <a href="../../api_c/db_err.html">DB->errx</a> function does not. These interfaces provide simpler -ways of displaying Berkeley DB error messages. For example, if your application -tracks session IDs in a variable called session_id, it can include that -information in its error messages: -<p>Error messages can additionally be configured to always include a prefix -(e.g., the program name) using the <a href="../../api_c/db_set_errpfx.html">DB->set_errpfx</a> interface. -<p><blockquote><pre>#define DATABASE "access.db" -int ret; -dbp->errpfx(dbp, argv0); -if ((ret = - dbp->open(dbp, DATABASE, DB_BTREE, DB_CREATE, 0664)) != 0) { - dbp->err(dbp, ret, "%s", DATABASE); - dbp->errx(dbp, - "contact your system administrator: session ID was %d", - session_id); - return (1); -} -</pre></blockquote> -<p>For example, if the program was called my_app, and the open call returned -an EACCESS system error, the error messages shown would appear as follows: -<p><blockquote><pre>my_app: access.db: Permission denied. -my_app: contact your system administrator: session ID was 14</pre></blockquote> -<table><tr><td><br></td><td width="1%"><a href="../../ref/am/verify.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/arch/bigpic.html"><img src="../../images/next.gif" alt="Next"></a> -</td></tr></table> -<p><font size=1><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font> -</body> -</html> |