<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Setting driver capabilities</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Database Independent Abstraction Layer for C" HREF="index.html"><LINK REL="UP" TITLE="Driver Capabilities" HREF="drivercaps.html"><LINK REL="PREVIOUS" TITLE="Driver Capabilities" HREF="drivercaps.html"><LINK REL="NEXT" TITLE="Required driver capabilities" HREF="requireddrivercaps.html"></HEAD ><BODY CLASS="SECTION" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Database Independent Abstraction Layer for C: libdbi Driver Author's Guide</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="drivercaps.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 2. Driver Capabilities</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="requireddrivercaps.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECTION" ><H1 CLASS="SECTION" ><A NAME="SETTINGDRIVERCAPS" >2.1. Setting driver capabilities</A ></H1 ><P >The perfect place to set driver capabilities is in the <A HREF="driverfuncs-infrastructure.html#DBD-INITIALIZE" >dbd_initialize</A > function which is called right after the driver is loaded by libdbi. To set capabilities, call the _dbd_register_driver_cap function for each of them:</P ><DIV CLASS="FUNCSYNOPSIS" ><P ></P ><A NAME="AEN69" ></A ><P ><CODE ><CODE CLASS="FUNCDEF" >void <B CLASS="FSFUNC" >_dbd_register_driver_cap</B ></CODE >(dbi_driver_t *<VAR CLASS="PDPARAM" >driver</VAR >, const char *<VAR CLASS="PDPARAM" >capname</VAR >, int <VAR CLASS="PDPARAM" >value</VAR >);</CODE ></P ><P ></P ></DIV ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT >Arguments</DT ><DD ><P ><TT CLASS="LITERAL" >driver</TT >: the driver as passed to <A HREF="driverfuncs-infrastructure.html#DBD-INITIALIZE" >dbd_initialize</A >.</P ><P ><TT CLASS="LITERAL" >capname</TT >: A string containing the name of the capability (i.e. the key).</P ><P ><TT CLASS="LITERAL" >value</TT >: The value of the capability.</P ></DD ></DL ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="drivercaps.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="requireddrivercaps.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Driver Capabilities</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="drivercaps.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Required driver capabilities</TD ></TR ></TABLE ></DIV ></BODY ></HTML >