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kolibrios/contrib/sdk/sources/SDL-1.2.2/docs/html/sdlwasinit.html
CleverMouse 3cf7852e03 autobuild sdlquake
git-svn-id: svn://kolibrios.org@5131 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-09-18 11:46:53 +00:00

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><H1
><A
NAME="SDLWASINIT"
>SDL_WasInit</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN617"
></A
><H2
>Name</H2
>SDL_WasInit&nbsp;--&nbsp;Check which subsystems are initialized</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN620"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
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></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
></P
></DIV
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><DIV
CLASS="REFSECT1"
><A
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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><A
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></A
><H2
>Examples</H2
><PRE
CLASS="PROGRAMLISTING"
>&#13;/* 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&#38;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");&#13;</PRE
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></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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