<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Extracting</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="bkisofs Usage and Reference Manual" HREF="book1.html"><LINK REL="UP" TITLE="Function Reference" HREF="c73.html"><LINK REL="PREVIOUS" TITLE="Adding" HREF="x153.html"><LINK REL="NEXT" TITLE="Deleting" HREF="x313.html"></HEAD ><BODY CLASS="SECT1" 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" >bkisofs Usage and Reference Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x153.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Function Reference</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="x313.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="AEN240" >Extracting</A ></H1 ><P ></P ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN243" ><TT CLASS="FUNCTION" >bk_extract()</TT ></A ></H2 ><DIV CLASS="FUNCSYNOPSIS" ><P ></P ><A NAME="AEN246" ></A ><P ><CODE ><CODE CLASS="FUNCDEF" >int <TT CLASS="FUNCTION" >bk_extract</TT ></CODE >(VolInfo* <TT CLASS="PARAMETER" ><I >volInfo</I ></TT >, const char* <TT CLASS="PARAMETER" ><I >srcPathAndName</I ></TT >, const char* <TT CLASS="PARAMETER" ><I >destDir</I ></TT >, bool <TT CLASS="PARAMETER" ><I >keepPermissions</I ></TT >, void(*<TT CLASS="PARAMETER" ><I >progressFunction</I ></TT >)(VolInfo*));</CODE ></P ><P ></P ></DIV ><P >This function will extract the file or directory <TT CLASS="PARAMETER" ><I >srcPathAndName</I ></TT > on the ISO to the directory <TT CLASS="PARAMETER" ><I >destDir</I ></TT > on the regular filesystem.</P ><P >If the ISO has the RockRidge extension and you passed <TT CLASS="LITERAL" >FNTYPE_ROCKRIDGE</TT > to <TT CLASS="FUNCTION" >bk_read_dir_tree()</TT >, and you pass true for <TT CLASS="PARAMETER" ><I >keepPermissions</I ></TT > then the files and directories extracted to the filesystem will have the same permissions as they did on the ISO.</P ><P >Note that you cannot extract <TT CLASS="LITERAL" >/</TT ></P ><P >Also note that there is no way to make bk overwrite files on the filesystem.</P ><P ><TT CLASS="PARAMETER" ><I >progressFunction</I ></TT > is a pointer to a function that takes a <CODE CLASS="CLASSNAME" >VolInfo*</CODE > as a parameter and returns <CODE CLASS="CLASSNAME" >void</CODE >. bk will call this function every 1 second or so. You can pass in NULL if you like but in that case control won't be returned to your code until <TT CLASS="FUNCTION" >bk_extract()</TT > is finished doing what it has to do so you can't update a progress bar or cancel extracting.</P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN275" ><TT CLASS="FUNCTION" >bk_extract_as()</TT ></A ></H2 ><DIV CLASS="FUNCSYNOPSIS" ><P ></P ><A NAME="AEN278" ></A ><P ><CODE ><CODE CLASS="FUNCDEF" >int <TT CLASS="FUNCTION" >bk_extract</TT ></CODE >(VolInfo* <TT CLASS="PARAMETER" ><I >volInfo</I ></TT >, const char* <TT CLASS="PARAMETER" ><I >srcPathAndName</I ></TT >, const char* <TT CLASS="PARAMETER" ><I >destDir</I ></TT >, const char* <TT CLASS="PARAMETER" ><I >nameToUse</I ></TT >, bool <TT CLASS="PARAMETER" ><I >keepPermissions</I ></TT >, void(*<TT CLASS="PARAMETER" ><I >progressFunction</I ></TT >)(VolInfo*));</CODE ></P ><P ></P ></DIV ><P >Same as <TT CLASS="FUNCTION" >bk_extract()</TT > but with the extra <TT CLASS="PARAMETER" ><I >nameToUse</I ></TT > parameter. If this is not null it will be used as the name of the destination file, rather than the name of the source on the ISO.</P ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN297" ><TT CLASS="FUNCTION" >bk_extract_boot_record()</TT ></A ></H2 ><DIV CLASS="FUNCSYNOPSIS" ><P ></P ><A NAME="AEN300" ></A ><P ><CODE ><CODE CLASS="FUNCDEF" >int <TT CLASS="FUNCTION" >bk_extract_boot_record</TT ></CODE >(VolInfo* <TT CLASS="PARAMETER" ><I >volInfo</I ></TT >, const char* <TT CLASS="PARAMETER" ><I >destPathAndName</I ></TT >, unsigned <TT CLASS="PARAMETER" ><I >destFilePerms</I ></TT >);</CODE ></P ><P ></P ></DIV ><P >Extracts the boot record from the ISO to the file <TT CLASS="PARAMETER" ><I >destPathAndName</I ></TT >. The <TT CLASS="PARAMETER" ><I >destFilePerms</I ></TT > parameters is permission to be set for the resulting file.</P ></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="x153.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="book1.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="x313.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Adding</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="c73.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Deleting</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
