clr32bitmap.c.html 1.8 KB

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  6. clr32bitmap.c
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  21. /*====================================================================*
  22. *
  23. * void clr32bitmap (uint32_t * map, unsigned bit);
  24. *
  25. * flags.h
  26. *
  27. * clear the given bit in an 32-bit flagword array; macro _bits ()
  28. * is defined in flags.h;
  29. *
  30. * Motley Tools by Charles Maier &lt;cmaier@cmassoc.net&gt;;
  31. * Copyright (c) 2001-2006 by Charles Maier Associates;
  32. * Licensed under the Internet Software Consortium License;
  33. *
  34. *--------------------------------------------------------------------*/
  35. #ifndef CLR32BITMAP_SOURCE
  36. #define CLR32BITMAP_SOURCE
  37. #include &quot;../tools/flags.h&quot;
  38. #include &quot;../tools/endian.h&quot;
  39. void clr32bitmap (uint32_t * map, unsigned bit)
  40. {
  41. map [bit / _bits (* map)] &amp;= ~ HTOLE32 (1 &lt;&lt; (bit % _bits (* map)));
  42. return;
  43. }
  44. #endif
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