int cli_realhex2ui(const char *hex, uint16_t *ptr, unsigned int len) {
uint16_t val;
unsigned int i;
int c;
for(i = 0; i < len; i += 2) {
val = 0;
if(hex[i] == '?' && hex[i + 1] == '?') {
val |= CLI_MATCH_IGNORE;
} else if(hex[i + 1] == '?') {
if((c = cli_hex2int(hex[i])) >= 0) {
val = c << 4;
} else {
return 0;
}
val |= CLI_MATCH_NIBBLE_HIGH;
} else if(hex[i] == '?') {
if((c = cli_hex2int(hex[i + 1])) >= 0) {
val = c;
} else {
return 0;
}
val |= CLI_MATCH_NIBBLE_LOW;
} else if(hex[i] == '(') {
val |= CLI_MATCH_SPECIAL;
} else {
if((c = cli_hex2int(hex[i])) >= 0) {
val = c;
if((c = cli_hex2int(hex[i+1])) >= 0) {
val = (val << 4) + c;
} else {
return 0;
}
} else {
return 0;
}
}
*ptr++ = val;
}
return 1;
}
short int *cli_hex2si(const char *hex)
{
short int *str, *ptr, val, c;
int i, len;
len = strlen(hex);
if(len % 2 != 0) {
cli_errmsg("cli_hex2si(): Malformed hexstring: %s (length: %d)\n", hex, len);
return NULL;
}
str = cli_calloc((len / 2) + 1, sizeof(short int));
if(!str)
return NULL;
ptr = str;
for(i = 0; i < len; i += 2) {
if(hex[i] == '?') {
val = CLI_IGN;
} else if(hex[i] == '@') {
val = CLI_ALT;
} else {
if((c = cli_hex2int(hex[i])) >= 0) {
val = c;
if((c = cli_hex2int(hex[i+1])) >= 0) {
val = (val << 4) + c;
} else {
free(str);
return NULL;
}
} else {
free(str);
return NULL;
}
}
*ptr++ = val;
}
return str;
}
int cli_hex2str_to(const char *hex, char *ptr, size_t len)
{
size_t i;
int c;
char val;
for(i = 0; i < len; i += 2) {
if((c = cli_hex2int(hex[i])) >= 0) {
val = c;
if((c = cli_hex2int(hex[i+1])) >= 0) {
val = (val << 4) + c;
} else {
return -1;
}
} else {
return -1;
}
*ptr++ = val;
}
return 0;
}
int cli_hex2num(const char *hex)
{
int hexval, ret = 0, len, i;
len = strlen(hex);
if(len % 2 != 0) {
cli_errmsg("cli_hex2num(): Malformed hexstring: %s (length: %d)\n", hex, len);
return -1;
}
for(i = 0; i < len; i++) {
if((hexval = cli_hex2int(hex[i])) < 0)
break;
ret = (ret << 4) | hexval;
}
return ret;
}