| 1 | #include <stdio.h> |
| 2 | #include <readline/readline.h> |
| 3 | #include <sys/types.h> |
| 4 | #include <sys/stat.h> |
| 5 | #include <fcntl.h> |
| 6 | |
| 7 | #define DELAY 140000 |
| 8 | main(int argc, char ** argv){ |
| 9 | int fd=0; // stdin; |
| 10 | int byte=0; |
| 11 | |
| 12 | if (argc==2) { |
| 13 | fd=open(argv[1],O_RDONLY); |
| 14 | if (fd<0){ |
| 15 | perror("Schade"); |
| 16 | exit (-4); |
| 17 | } |
| 18 | } |
| 19 | |
| 20 | |
| 21 | unsigned char akt; |
| 22 | rl_instream=stdin; |
| 23 | rl_outstream=stderr; |
| 24 | char buffer [100]; |
| 25 | while(read (fd, &akt,1)){ |
| 26 | if (fd!=0) { |
| 27 | sprintf(buffer,"Byte No.:%6i DEC:%03i HEX:%02x OCT:%03o Press enter -->",byte++,akt,akt,akt); |
| 28 | readline(buffer); |
| 29 | } |
| 30 | else { |
| 31 | usleep(DELAY); |
| 32 | fprintf(stderr,"Byte No.:%6i DEC:%03i HEX:%02x OCT:%03o\n",byte++,akt,akt,akt); |
| 33 | } |
| 34 | write(1,&akt,1); |
| 35 | } |
| 36 | |
| 37 | } |