1 /*****************************************************************************/
5 /* Single bit operations */
9 /* (C) 1998 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
12 /* EMail: uz@musoftware.de */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
41 /*****************************************************************************/
43 /*****************************************************************************/
47 unsigned BitFind (unsigned long Val);
48 /* Find the first bit that is set in Val. Val must *not* be zero */
50 void BitSet (void* Data, unsigned Bit);
51 /* Set a bit in a char array */
53 void BitReset (void* Data, unsigned Bit);
54 /* Reset a bit in a char array */
56 int BitIsSet (void* Data, unsigned Bit);
57 /* Check if a bit is set in a char array */
59 int BitIsReset (void* Data, unsigned Bit);
60 /* Check if a bit is reset in a char array */
62 void BitMerge (void* Target, const void* Source, unsigned Size);
63 /* Merge the bits of two char arrays (that is, do an or for the full array) */