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  72 ><A
  73 NAME="SDLCDSTATUS"
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  75 >SDL_CDStatus</H1
  76 ><DIV
  77 CLASS="REFNAMEDIV"
  78 ><A
  79 NAME="AEN7308"
  80 ></A
  81 ><H2
  82 >Name</H2
  83 >SDL_CDStatus&nbsp;--&nbsp;Returns the current status of the given drive.</DIV
  84 ><DIV
  85 CLASS="REFSYNOPSISDIV"
  86 ><A
  87 NAME="AEN7311"
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  89 ><H2
  90 >Synopsis</H2
  91 ><DIV
  92 CLASS="FUNCSYNOPSIS"
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  94 NAME="AEN7312"
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  96 ><P
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  98 ><PRE
  99 CLASS="FUNCSYNOPSISINFO"
 100 >#include "SDL.h"</PRE
 101 ><P
 102 ><CODE
 103 ><CODE
 104 CLASS="FUNCDEF"
 105 >CDstatus <B
 106 CLASS="FSFUNC"
 107 >SDL_CDStatus</B
 108 ></CODE
 109 >(SDL_CD *cdrom);</CODE
 110 ></P
 111 ><PRE
 112 CLASS="FUNCSYNOPSISINFO"
 113 >/* Given a status, returns true if there's a disk in the drive */
 114 #define CD_INDRIVE(status)      ((int)status &#62; 0)</PRE
 115 ><P
 116 ></P
 117 ></DIV
 118 ></DIV
 119 ><DIV
 120 CLASS="REFSECT1"
 121 ><A
 122 NAME="AEN7319"
 123 ></A
 124 ><H2
 125 >Description</H2
 126 ><P
 127 >This function returns the current status of the given drive. Status is described like so:
 128 <PRE
 129 CLASS="PROGRAMLISTING"
 130 >typedef enum {
 131   CD_TRAYEMPTY,
 132   CD_STOPPED,
 133   CD_PLAYING,
 134   CD_PAUSED,
 135   CD_ERROR = -1
 136 } CDstatus;</PRE
 137 ></P
 138 ><P
 139 >If the drive has a CD in it, the table of contents of the CD and current
 140 play position of the CD will be stored in the SDL_CD structure.</P
 141 ><P
 142 >The macro <TT
 143 CLASS="LITERAL"
 144 >CD_INDRIVE</TT
 145 > is provided for convenience,
 146 and given a status returns true if there's a disk in the drive.</P
 147 ><DIV
 148 CLASS="NOTE"
 149 ><BLOCKQUOTE
 150 CLASS="NOTE"
 151 ><P
 152 ><B
 153 >Note: </B
 154 ><TT
 155 CLASS="FUNCTION"
 156 >SDL_CDStatus</TT
 157 > also updates the <A
 158 HREF="sdlcd.html"
 159 ><SPAN
 160 CLASS="STRUCTNAME"
 161 >SDL_CD</SPAN
 162 ></A
 163 > structure passed to it.</P
 164 ></BLOCKQUOTE
 165 ></DIV
 166 ></DIV
 167 ><DIV
 168 CLASS="REFSECT1"
 169 ><A
 170 NAME="AEN7331"
 171 ></A
 172 ><H2
 173 >Example</H2
 174 ><PRE
 175 CLASS="PROGRAMLISTING"
 176 >int playTrack(int track)
 177 {
 178   int playing = 0;
 179
 180   if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) {
 181   /* clamp to the actual number of tracks on the CD */
 182     if (track &#62;= cdrom-&#62;numtracks) {
 183       track = cdrom-&#62;numtracks-1;
 184     }
 185
 186     if ( SDL_CDPlayTracks(cdrom, track, 0, 1, 0) == 0 ) {
 187       playing = 1;
 188     }
 189   }
 190   return playing;
 191 }</PRE
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 196 NAME="AEN7334"
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 198 ><H2
 199 >See Also</H2
 200 ><P
 201 ><A
 202 HREF="sdlcd.html"
 203 ><TT
 204 CLASS="FUNCTION"
 205 >SDL_CD</TT
 206 ></A
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