ac299c4f5c
perform assertion checks. Such statements are inappropriate as they document the implementation rather than the public interface. The functions are not required to perform assertion checks, but the caller is required to pass arguments that conform to the API requirements.
242 lines
3.5 KiB
HTML
242 lines
3.5 KiB
HTML
<!--
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- Copyright (C) 2000, 2001 Internet Software Consortium.
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-
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- Permission to use, copy, modify, and distribute this software for any
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- purpose with or without fee is hereby granted, provided that the above
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- copyright notice and this permission notice appear in all copies.
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- THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
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- DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
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- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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- INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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- WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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-->
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<HTML
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><HEAD
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><TITLE
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>lwres_hstrerror</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.61
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"></HEAD
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><BODY
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CLASS="REFENTRY"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><H1
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><A
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NAME="AEN1"
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>lwres_hstrerror</A
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></H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN8"
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></A
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><H2
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>Name</H2
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>lwres_herror, lwres_hstrerror -- lightweight resolver error message generation</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN12"
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></A
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><H2
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>Synopsis</H2
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><DIV
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CLASS="FUNCSYNOPSIS"
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><A
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NAME="AEN13"
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></A
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><P
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></P
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><PRE
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CLASS="FUNCSYNOPSISINFO"
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>#include <lwres/netdb.h></PRE
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><P
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><CODE
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><CODE
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CLASS="FUNCDEF"
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>void
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lwres_herror</CODE
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>(const char *s);</CODE
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></P
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><P
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><CODE
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><CODE
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CLASS="FUNCDEF"
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>const char *
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lwres_hstrerror</CODE
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>(int err);</CODE
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></P
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN23"
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></A
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><H2
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>DESCRIPTION</H2
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><P
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><TT
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CLASS="FUNCTION"
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>lwres_herror()</TT
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> prints the string
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<TT
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CLASS="PARAMETER"
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><I
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>s</I
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></TT
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> on <SPAN
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CLASS="TYPE"
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>stderr</SPAN
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> followed by the string
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generated by <TT
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CLASS="FUNCTION"
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>lwres_hstrerror()</TT
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> for the error code
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stored in the global variable <TT
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CLASS="CONSTANT"
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>lwres_h_errno</TT
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>.</P
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><P
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><TT
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CLASS="FUNCTION"
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>lwres_hstrerror()</TT
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> returns an appropriate string
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for the error code gievn by <TT
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CLASS="PARAMETER"
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><I
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>err</I
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></TT
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>. The values of
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the error codes and messages are as follows:
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<P
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></P
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><DIV
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CLASS="VARIABLELIST"
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><DL
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><DT
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><SPAN
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CLASS="ERRORCODE"
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>NETDB_SUCCESS</SPAN
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></DT
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><DD
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><P
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><SPAN
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CLASS="ERRORNAME"
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>Resolver Error 0 (no error)</SPAN
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></P
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></DD
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><DT
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><SPAN
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CLASS="ERRORCODE"
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>HOST_NOT_FOUND</SPAN
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></DT
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><DD
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><P
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><SPAN
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CLASS="ERRORNAME"
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>Unknown host</SPAN
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></P
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></DD
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><DT
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><SPAN
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CLASS="ERRORCODE"
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>TRY_AGAIN</SPAN
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></DT
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><DD
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><P
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><SPAN
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CLASS="ERRORNAME"
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>Host name lookup failure</SPAN
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></P
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></DD
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><DT
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><SPAN
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CLASS="ERRORCODE"
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>NO_RECOVERY</SPAN
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></DT
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><DD
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><P
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><SPAN
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CLASS="ERRORNAME"
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>Unknown server error</SPAN
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></P
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></DD
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><DT
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><SPAN
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CLASS="ERRORCODE"
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>NO_DATA</SPAN
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></DT
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><DD
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><P
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><SPAN
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CLASS="ERRORNAME"
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>No address associated with name</SPAN
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></P
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></DD
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></DL
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></DIV
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></P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN65"
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></A
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><H2
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>RETURN VALUES</H2
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><P
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>The string <SPAN
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CLASS="ERRORNAME"
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>Unknown resolver error</SPAN
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> is returned by
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<TT
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CLASS="FUNCTION"
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>lwres_hstrerror()</TT
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>
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when the value of
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<TT
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CLASS="CONSTANT"
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>lwres_h_errno</TT
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>
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is not a valid error code.</P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN71"
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></A
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><H2
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|
>SEE ALSO</H2
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><P
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><SPAN
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CLASS="CITEREFENTRY"
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><SPAN
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CLASS="REFENTRYTITLE"
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>herror</SPAN
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>(3)</SPAN
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>,
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<SPAN
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CLASS="CITEREFENTRY"
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><SPAN
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CLASS="REFENTRYTITLE"
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>lwres_hstrerror</SPAN
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>(3)</SPAN
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>.</P
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></DIV
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></BODY
|
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></HTML
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> |