1

#include <stdio.h>

     2

     3

// This pretty simple file checks if the system is LITTLE_ENDIAN or BIG_ENDIAN

     4

//  it does that by putting a 1 and a 0 in an array, and read it out as one

     5

//  number. If it is 1, it is LITTLE_ENDIAN, if it is 256, it is BIG_ENDIAN

     6

//

     7

// After that it outputs the contents of an include files (endian.h)

     8

//  that says or TTD_LITTLE_ENDIAN, or TTD_BIG_ENDIAN. Makefile takes

     9

//  care of the real writing to the file.

    10

    11

int main () {

    12

  unsigned char EndianTest[2] = { 1, 0 };

    13

  printf("#ifndef ENDIAN_H\n#define ENDIAN_H\n");

    14

  if( *(short *) EndianTest == 1 )

    15

    printf("#define TTD_LITTLE_ENDIAN\n");

    16

  else

    17

    printf("#define TTD_BIG_ENDIAN\n");

    18

    19

  printf("#endif\n");

    20

    21

  return 0;

    22

}