bits_init

SFL
Version 2.11

`bits_init`

#include "sflbits.h"
int
bits_init (void)

Synopsis

Initialises bitstring functions. You must call this before using any other bitstring functions. Returns 0 if okay, -1 if there was an error.

Source Code - (sflbits.c)

{
    ASSERT (comp_zero == NULL);

    comp_zero = mem_alloc (BIT_SECTSIZE + 1);
    if (!comp_zero)
        return (-1);                    /*  Could not allocate new block     */

    memset (compressed, BIT_SECTSIZE, 0x00);
    comp_zero_size = compress bits (compressed, comp_zero, BIT_SECTSIZE);
    comp_zero      = mem_realloc (comp_zero, comp_zero_size);

    comp_ones = mem_alloc (BIT_SECTSIZE + 1);
    if (!comp_ones)
      {
        mem_free (comp_ones);
        return (-1);                    /*  Could not allocate new block     */
      }
    memset (compressed, BIT_SECTSIZE, 0xFF);
    comp_ones_size = compress bits (compressed, comp_ones, BIT_SECTSIZE);
    comp_ones      = mem_realloc (comp_ones, comp_ones_size);

    return (0);
}

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