1.1 --- a/test/lib.c	Tue Jul 11 01:35:27 2006 +0000
     1.2 +++ b/test/lib.c	Fri May 29 18:47:05 2015 +1000
     1.3 @@ -18,3 +18,45 @@
     1.4  	fprintf( f, "\n");
     1.5      }
     1.6  }
     1.7 +
     1.8 +void fwrite_diff( FILE *f,  char *a, int a_length, char *b, int b_length )
     1.9 +{
    1.10 +    int i;
    1.11 +    fprintf( f, "Expected %d bytes:\n", a_length );
    1.12 +    fwrite_dump( f, a, a_length );
    1.13 +    fprintf( f, "but was %d bytes =>\n", b_length );
    1.14 +    fwrite_dump( f, b, b_length );
    1.15 +}
    1.16 +
    1.17 +void fwrite_diff32( FILE *f, char *a, int a_length, char *b, int b_length )
    1.18 +{
    1.19 +    int i,j, k;
    1.20 +    int length = a_length > b_length ? a_length : b_length;
    1.21 +    fprintf( f, "Expected %d bytes, was %d bytes =>\n", a_length, b_length );
    1.22 +    
    1.23 +    for( i=0; i<length; i+=16 ) {
    1.24 +	for( k=0; k<32 && i+k < length; k+=4 ) {
    1.25 +	    if( i+k >= a_length || i+k >= b_length ||
    1.26 +		*((volatile unsigned int *)(a+i+k)) != *((volatile unsigned int *)(b+i+k)) ) {
    1.27 +		break;
    1.28 +	    }
    1.29 +	}
    1.30 +	if( k != 32 && i+k != length ) {
    1.31 +	    fprintf( f, "%08X: ", i );
    1.32 +	    for( j=0; j<16 && i+j < a_length; j+=4 ) {
    1.33 +		fprintf( f, "%08X ", *((volatile unsigned int *)(a+i+j)) );
    1.34 +	    }
    1.35 +	    
    1.36 +	    for(; j<16; j+=4 ) {
    1.37 +		fprintf( f, "         " );
    1.38 +	    }
    1.39 +	    
    1.40 +	    fprintf( f, "| " );
    1.41 +	    for( j=0; j<16 && i+j < b_length; j+=4 ) {
    1.42 +		fprintf( f, "%08X ", *((volatile unsigned int *)(b+i+j)) );
    1.43 +	    }
    1.44 +
    1.45 +	    fprintf( f, "\n");
    1.46 +	}
    1.47 +    }
    1.48 +}