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  4. >SDL_WasInit</TITLE
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  39. >SDL Library Documentation</TH
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  68. ><H1
  69. ><A
  70. NAME="SDLWASINIT"
  71. >SDL_WasInit</A
  72. ></H1
  73. ><DIV
  74. CLASS="REFNAMEDIV"
  75. ><A
  76. NAME="AEN650"
  77. ></A
  78. ><H2
  79. >Name</H2
  80. >SDL_WasInit -- Check which subsystems are initialized</DIV
  81. ><DIV
  82. CLASS="REFSYNOPSISDIV"
  83. ><A
  84. NAME="AEN653"
  85. ></A
  86. ><H2
  87. >Synopsis</H2
  88. ><DIV
  89. CLASS="FUNCSYNOPSIS"
  90. ><A
  91. NAME="AEN654"
  92. ></A
  93. ><P
  94. ></P
  95. ><PRE
  96. CLASS="FUNCSYNOPSISINFO"
  97. >#include "SDL.h"</PRE
  98. ><P
  99. ><CODE
  100. ><CODE
  101. CLASS="FUNCDEF"
  102. >Uint32 <B
  103. CLASS="FSFUNC"
  104. >SDL_WasInit</B
  105. ></CODE
  106. >(Uint32 flags);</CODE
  107. ></P
  108. ><P
  109. ></P
  110. ></DIV
  111. ></DIV
  112. ><DIV
  113. CLASS="REFSECT1"
  114. ><A
  115. NAME="AEN660"
  116. ></A
  117. ><H2
  118. >Description</H2
  119. ><P
  120. ><TT
  121. CLASS="FUNCTION"
  122. >SDL_WasInit</TT
  123. > allows you to see which SDL subsytems have been <A
  124. HREF="sdlinit.html"
  125. >initialized</A
  126. >. <TT
  127. CLASS="PARAMETER"
  128. ><I
  129. >flags</I
  130. ></TT
  131. > is a bitwise OR'd combination of the subsystems you wish to check (see <A
  132. HREF="sdlinit.html"
  133. ><TT
  134. CLASS="FUNCTION"
  135. >SDL_Init</TT
  136. ></A
  137. > for a list of subsystem flags).</P
  138. ></DIV
  139. ><DIV
  140. CLASS="REFSECT1"
  141. ><A
  142. NAME="AEN668"
  143. ></A
  144. ><H2
  145. >Return Value</H2
  146. ><P
  147. ><TT
  148. CLASS="FUNCTION"
  149. >SDL_WasInit</TT
  150. > returns a bitwised OR'd combination of the initialized subsystems.</P
  151. ></DIV
  152. ><DIV
  153. CLASS="REFSECT1"
  154. ><A
  155. NAME="AEN672"
  156. ></A
  157. ><H2
  158. >Examples</H2
  159. ><PRE
  160. CLASS="PROGRAMLISTING"
  161. > /* Here are several ways you can use SDL_WasInit() */
  162.  
  163. /* Get init data on all the subsystems */
  164. Uint32 subsystem_init;
  165.  
  166. subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING);
  167.  
  168. if(subsystem_init&SDL_INIT_VIDEO)
  169.   printf("Video is initialized.\n");
  170. else
  171.   printf("Video is not initialized.\n");
  172.  
  173.  
  174.  
  175. /* Just check for one specfic subsystem */
  176.  
  177. if(SDL_WasInit(SDL_INIT_VIDEO)!=0)
  178.   printf("Video is initialized.\n");
  179. else
  180.   printf("Video is not initialized.\n");
  181.  
  182.  
  183.  
  184.  
  185. /* Check for two subsystems */
  186.  
  187. Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO;
  188.  
  189. if(SDL_WasInit(subsystem_mask)==subsystem_mask)
  190.   printf("Video and Audio initialized.\n");
  191. else
  192.   printf("Video and Audio not initialized.\n"); </PRE
  193. ></DIV
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  195. CLASS="REFSECT1"
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  197. NAME="AEN675"
  198. ></A
  199. ><H2
  200. >See Also</H2
  201. ><P
  202. ><A
  203. HREF="sdlinit.html"
  204. ><TT
  205. CLASS="FUNCTION"
  206. >SDL_Init</TT
  207. ></A
  208. >,
  209. <A
  210. HREF="sdlinitsubsystem.html"
  211. ><TT
  212. CLASS="FUNCTION"
  213. >SDL_Subsystem</TT
  214. ></A
  215. ></P
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