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kusanagi |
1.1 |
/* |
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* include needed system headers |
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*/ |
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#include <stdio.h> /* include standard i/o library */ |
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#include <stdlib.h> /* include standard library */ |
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#include <string.h> /* include string library */ |
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#include <unistd.h> /* include unix standard library */ |
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#include <sys/types.h> /* */ |
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#include <sys/stat.h> /* */ |
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#include <fcntl.h> /* */ |
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#include <errno.h> /* error simbol definitions */ |
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#include <time.h> /* system time definitions */ |
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#include <math.h> /* math library */ |
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void readbad_(unsigned short *bad_buf, int *error, int *fd) |
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{ |
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int nread; |
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int i,j,ii,jj; |
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unsigned short word; |
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unsigned short skip; |
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unsigned short bad_buf_temp[64]; |
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*error=0; |
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/*** read the buffer ***/ |
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nread=read(*fd, bad_buf_temp, 2*64); |
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if( nread==0 ) { |
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printf("readbad: Unexpected end of file %d at %d \n",*fd,nread); |
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*error=1; |
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return ; |
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} |
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if ( nread != 2*64) { |
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printf("readbad: Error on reading: nread = %d \n",nread); |
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*error=-1; |
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return ; |
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} |
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/*** correct byte ***/ //endianess... |
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for(i=0; i<64; i++) { |
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word = bad_buf_temp[i]; |
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bad_buf_temp[i] = ( (word&0x00ff) << 8 ) | ( (word&0xff00) >> 8 ); |
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} |
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for(i=0; i<64; i++) { |
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word = bad_buf_temp[i]; |
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for(j=0; j<16; j++) { |
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jj=15-j; |
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ii=j+i*16; |
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bad_buf[ii] = ( (word >> jj) & 0x0001 ); |
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} |
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} |
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// for( i=0; i<64; i++) printf("%i %x \n",i,bad_buf_temp[i]);//??? */ |
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// printf("\n");//??? */ |
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// for( i=0; i<1024; i++) printf("%i %i \n",i,bad_buf[i]);//??? */ |
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//legge la parola di fine ladder... per saltarla... |
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/*** read the buffer ***/ |
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nread=read(*fd, &skip, 2); |
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if( nread==0 ) { |
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printf("readbad: Unexpected end of file %d at %d \n",*fd,nread); |
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*error=1; |
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return ; |
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} |
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if ( nread != 2) { |
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printf("readbad: Error on reading: nread = %d \n",nread); |
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*error=-1; |
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return ; |
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} |
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// for( i=0; i<64; i++) printf("%x \n",bad_buf[i]);//??? |
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/* *error=0; */ |
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/* /\*** read the buffer ***\/ */ |
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/* nread=read(*fd, bad_buf, 2*64); */ |
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/* if( nread==0 ) { */ |
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/* printf("readbad: Unexpected end of file %d at %d \n",*fd,nread); */ |
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/* *error=1; */ |
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/* return ; */ |
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/* } */ |
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/* if ( nread != 2*64) { */ |
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/* printf("readbad: Error on reading: nread = %d \n",nread); */ |
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/* *error=-1; */ |
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/* return ; */ |
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/* } */ |
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/* /\*** correct byte ***\/ //endianess... */ |
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/* for(i=0; i<64; i++) { */ |
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/* word = bad_buf[i]; */ |
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/* bad_buf[i] = ( (word&0x00ff) << 8 ) | ( (word&0xff00) >> 8 ); */ |
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/* } */ |
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/* //legge la parola di fine ladder... per saltarla... */ |
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/* /\*** read the buffer ***\/ */ |
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/* nread=read(*fd, &skip, 2); */ |
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/* if( nread==0 ) { */ |
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/* printf("readbad: Unexpected end of file %d at %d \n",*fd,nread); */ |
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/* *error=1; */ |
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/* return ; */ |
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/* } */ |
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/* if ( nread != 2) { */ |
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/* printf("readbad: Error on reading: nread = %d \n",nread); */ |
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/* *error=-1; */ |
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/* return ; */ |
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/* } */ |
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/* // for( i=0; i<64; i++) printf("%x \n",bad_buf[i]);//??? */ |
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return; |
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} |
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