pc-tools/ldc/hw_helpers.c

   1 #include <stdio.h>
   2 #include <string.h>
   3
   4 #include "hw_types.h"
   5 #include "hw_helpers.h"
   6
   7 char *bin2str (unsigned long value, int length)
   8 {
   9     int c;
  10 //    printf("length: %i\n", length);
  11     if ((length < 1) || (length > (sizeof (long) * 8)))
  12         return NULL;
  13     char *result = (char *) malloc (length + 1);
  14 //    if (result==NULL) return NULL;
  15     result[length] = 0;
  16     result[0] = 'f';
  17     for (c = 0; c < length; c++)
  18         result[length - c - 1] = '0' + ((value >> c) & 1);
  19     return result;
  20 }
  21
  22 void parstrip (char *data, int size)
  23 {
  24     int c;
  25     for (c = 0; c < size; c++)
  26         data[c] &= 127;
  27 }
  28
  29 void parset (char *data, int size)
  30 {
  31     int c;
  32     for (c = 0; c < size; c++)
  33         data[c] |= 128;
  34 }
  35
  36 void twistbytes (hw16 * start, int count)
  37 {
  38     int c;
  39     char tmp;
  40     for (c = 0; c < count; c++) {
  41         tmp = start[c].bytes.high;
  42         start[c].bytes.high = start[c].bytes.low;
  43         start[c].bytes.low = tmp;
  44     }
  45 }