10 const char *tohex(uint8 *data, int len, char *buf) {
16 sprintf(p,"%02x",*data);
20 void unhex(const char *what, const char *txt, uint8 *datar, int *lenr,
21 int minlen, int maxlen) {
26 if (l%1) { fprintf(stderr,"odd number of hex digits in %s\n",what); exit(EX_DATAERR); }
28 if (l<minlen) { fprintf(stderr,"too few hex digits in %s\n",what); exit(EX_DATAERR); }
29 if (l>maxlen) { fprintf(stderr,"too many hex digits in %s\n",what); exit(EX_DATAERR); }
36 v= strtoul(buf,&ep,16);
37 if (*ep) { fprintf(stderr,"not hex digit in %s: %c\n",what,*ep); exit(EX_DATAERR); }