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Bit Operations Interface

DESCRIPTION

Bit operations interface. The interface can be used to set, clear and find bits in an arbitrarily large bitmap. The interface does not support setting the bits atomically.

EXAMPLE

 Example with a pre-allocated bitmap:

 // Declare bitmap of size of 500 bits
 SILC_BITMAP_DECLARE(bitmap, 500);
 int bitmap_size = SILC_BITMAP_SIZE(500);

 // Set 0 bit
 silc_bit_set(bitmap, bitmap_size, 0);

 // Set bit number 100
 silc_bit_set(bitmap, bitmap_size, 100);

 // Find first set bit from the bitmap
 bit = silc_bit_ffs(bitmap, bitmap_size);

 // Find next set bit from the bitmap
 bit = silc_bit_fns(bitmap, bitmap_size, bit + 1);

 // Clear bit number 100
 silc_bit_set(bitmap, bitmap_size, 100);

TABLE OF CONTENTS

• SILC_BITMAP_DECLARE
• SILC_BITMAP_SIZE
• silc_bit_set
• silc_bit_clear
• silc_bit_toggle
• silc_bit_test_and_set
• silc_bit_test_and_clear
• silc_bit_test_and_toggle
• silc_bit_get
• silc_bit_ffs
• silc_bit_ffz
• silc_bit_fns
• silc_bit_fnz
• silc_bit_clear_bitmap