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| >SDL_WasInit</H1 |
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| NAME="AEN617" |
| ></A |
| ><H2 |
| >Name</H2 |
| >SDL_WasInit -- Check which subsystems are initialized</DIV |
| ><DIV |
| CLASS="REFSYNOPSISDIV" |
| ><A |
| NAME="AEN620" |
| ></A |
| ><H2 |
| >Synopsis</H2 |
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| ><A |
| NAME="AEN621" |
| ></A |
| ><P |
| ></P |
| ><PRE |
| CLASS="FUNCSYNOPSISINFO" |
| >#include "SDL.h"</PRE |
| ><P |
| ><CODE |
| ><CODE |
| CLASS="FUNCDEF" |
| >Uint32 <B |
| CLASS="FSFUNC" |
| >SDL_WasInit</B |
| ></CODE |
| >(Uint32 flags);</CODE |
| ></P |
| ><P |
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| CLASS="REFSECT1" |
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| NAME="AEN627" |
| ></A |
| ><H2 |
| >Description</H2 |
| ><P |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_WasInit</TT |
| > allows you to see which SDL subsytems have been <A |
| HREF="sdlinit.html" |
| >initialized</A |
| >. <TT |
| CLASS="PARAMETER" |
| ><I |
| >flags</I |
| ></TT |
| > is a bitwise OR'd combination of the subsystems you wish to check (see <A |
| HREF="sdlinit.html" |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_Init</TT |
| ></A |
| > for a list of subsystem flags).</P |
| ></DIV |
| ><DIV |
| CLASS="REFSECT1" |
| ><A |
| NAME="AEN635" |
| ></A |
| ><H2 |
| >Return Value</H2 |
| ><P |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_WasInit</TT |
| > returns a bitwised OR'd combination of the initialized subsystems.</P |
| ></DIV |
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| CLASS="REFSECT1" |
| ><A |
| NAME="AEN639" |
| ></A |
| ><H2 |
| >Examples</H2 |
| ><PRE |
| CLASS="PROGRAMLISTING" |
| > /* Here are several ways you can use SDL_WasInit() */ |
| |
| /* Get init data on all the subsystems */ |
| Uint32 subsystem_init; |
| |
| subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING); |
| |
| if(subsystem_init&SDL_INIT_VIDEO) |
| printf("Video is initialized.\n"); |
| else |
| printf("Video is not initialized.\n"); |
| |
| |
| |
| /* Just check for one specfic subsystem */ |
| |
| if(SDL_WasInit(SDL_INIT_VIDEO)!=0) |
| printf("Video is initialized.\n"); |
| else |
| printf("Video is not initialized.\n"); |
| |
| |
| |
| |
| /* Check for two subsystems */ |
| |
| Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO; |
| |
| if(SDL_WasInit(subsystem_mask)==subsystem_mask) |
| printf("Video and Audio initialized.\n"); |
| else |
| printf("Video and Audio not initialized.\n"); </PRE |
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| NAME="AEN642" |
| ></A |
| ><H2 |
| >See Also</H2 |
| ><P |
| ><A |
| HREF="sdlinit.html" |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_Init</TT |
| ></A |
| >, |
| <A |
| HREF="sdlinitsubsystem.html" |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_Subsystem</TT |
| ></A |
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