/**@ingroup tsk_string_group
*/
void tsk_strcat_2(char** destination, const char* format, ...)
{
char* temp = tsk_null;
int len;
va_list ap;
/* initialize variable arguments */
va_start(ap, format);
/* compute */
if((len = tsk_sprintf_2(&temp, format, &ap))){
tsk_strncat(destination, temp, len);
}
/* reset variable arguments */
va_end(ap);
TSK_FREE(temp);
}
/** Deserializes a QName.
*/
int tnet_dns_rr_qname_deserialize(const void* data, char** name, tsk_size_t *offset)
{
/* RFC 1035 - 4.1.4. Message compression
The pointer takes the form of a two octet sequence:
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| 1 1| OFFSET |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
uint8_t* dataPtr = (((uint8_t*)data) + *offset);
unsigned usingPtr = 0; /* Do not change. */
while(*dataPtr){
usingPtr = ((*dataPtr & 0xC0) == 0xC0);
if(usingPtr){
tsk_size_t ptr_offset = (*dataPtr & 0x3F);
ptr_offset = ptr_offset << 8 | *(dataPtr+1);
*offset += 2;
return tnet_dns_rr_qname_deserialize(data, name, &ptr_offset);
}
else{
uint8_t length;
if(*name){
tsk_strcat(name, ".");
}
length = *dataPtr;
*offset+=1, dataPtr++;
tsk_strncat(name, (const char*)dataPtr, length);
*offset += length, dataPtr += length;
}
}
*offset+=1;
return 0;
}
/**@ingroup tsk_string_group
* Appends a copy of the source string to the destination string. The terminating null character in destination is overwritten by the first character of source,
* and a new null-character is appended at the end of the new string formed by the concatenation of both in destination. If the destination is NULL then new
* memory will allocated and filled with source value.
* @param destination Pointer de the destination array containing the new string.
* @param source C string to be appended. This should not overlap destination. If NULL then nothing is done.
*/
void tsk_strcat(char** destination, const char* source)
{
tsk_strncat(destination, source, tsk_strlen(source));
}
