+ size_t i, j;
+ for (i = 0, j = 0; j < rawsz; ++j)
+ {
+ hexbuf[i++] = hex[raw[j] / 16];
+ hexbuf[i++] = hex[raw[j] % 16];
+ }
+ hexbuf[i] = 0;
+
+ return hexbuf;
+}
+
+CoreExport const char* irc::Spacify(const char* n)
+{
+ static char x[MAXBUF];
+ strlcpy(x,n,MAXBUF);
+ for (char* y = x; *y; y++)
+ if (*y == '_')
+ *y = ' ';
+ return x;
+}
+
+
+irc::modestacker::modestacker(bool add) : adding(add)
+{
+ sequence.clear();
+ sequence.push_back("");
+}
+
+void irc::modestacker::Push(char modeletter, const std::string ¶meter)
+{
+ *(sequence.begin()) += modeletter;
+ sequence.push_back(parameter);
+}
+
+void irc::modestacker::Push(char modeletter)
+{
+ this->Push(modeletter,"");
+}
+
+void irc::modestacker::PushPlus()
+{
+ this->Push('+',"");
+}
+
+void irc::modestacker::PushMinus()
+{
+ this->Push('-',"");
+}
+
+int irc::modestacker::GetStackedLine(std::deque<std::string> &result, int max_line_size)
+{
+ if (sequence.empty())
+ {
+ result.clear();
+ return 0;
+ }
+
+ int n = 0;
+ int size = 1; /* Account for initial +/- char */
+ int nextsize = 0;
+ result.clear();
+ result.push_back(adding ? "+" : "-");
+
+ if (sequence.size() > 1)
+ nextsize = sequence[1].length() + 2;
+
+ while (!sequence[0].empty() && (sequence.size() > 1) && (result.size() < MAXMODES) && ((size + nextsize) < max_line_size))
+ {
+ result[0] += *(sequence[0].begin());
+ if (!sequence[1].empty())
+ {
+ result.push_back(sequence[1]);
+ size += nextsize; /* Account for mode character and whitespace */
+ }
+ sequence[0].erase(sequence[0].begin());
+ sequence.erase(sequence.begin() + 1);
+
+ if (sequence.size() > 1)
+ nextsize = sequence[1].length() + 2;
+
+ n++;
+ }
+
+ return n;
+}
+
+irc::stringjoiner::stringjoiner(const std::string &seperator, const std::vector<std::string> &sequence, int begin, int end)
+{
+ for (int v = begin; v < end; v++)
+ joined.append(sequence[v]).append(seperator);
+ joined.append(sequence[end]);
+}
+
+irc::stringjoiner::stringjoiner(const std::string &seperator, const std::deque<std::string> &sequence, int begin, int end)
+{
+ for (int v = begin; v < end; v++)
+ joined.append(sequence[v]).append(seperator);
+ joined.append(sequence[end]);
+}
+
+irc::stringjoiner::stringjoiner(const std::string &seperator, const char* const* sequence, int begin, int end)
+{
+ for (int v = begin; v < end; v++)
+ joined.append(sequence[v]).append(seperator);
+ joined.append(sequence[end]);
+}
+
+std::string& irc::stringjoiner::GetJoined()
+{
+ return joined;
+}
+
+irc::portparser::portparser(const std::string &source, bool allow_overlapped) : in_range(0), range_begin(0), range_end(0), overlapped(allow_overlapped)
+{
+ sep = new irc::commasepstream(source);
+ overlap_set.clear();
+}
+
+irc::portparser::~portparser()
+{
+ delete sep;
+}
+
+bool irc::portparser::Overlaps(long val)
+{
+ if (!overlapped)
+ return false;
+
+ if (overlap_set.find(val) == overlap_set.end())
+ {
+ overlap_set[val] = true;
+ return false;
+ }
+ else
+ return true;
+}
+
+long irc::portparser::GetToken()
+{
+ if (in_range > 0)
+ {
+ in_range++;
+ if (in_range <= range_end)
+ {
+ if (!Overlaps(in_range))
+ {
+ return in_range;
+ }
+ else
+ {
+ while (((Overlaps(in_range)) && (in_range <= range_end)))
+ in_range++;
+
+ if (in_range <= range_end)
+ return in_range;
+ }
+ }
+ else
+ in_range = 0;
+ }
+
+ std::string x;
+ sep->GetToken(x);
+
+ if (x.empty())
+ return 0;
+
+ while (Overlaps(atoi(x.c_str())))
+ {
+ if (!sep->GetToken(x))
+ return 0;
+ }
+
+ std::string::size_type dash = x.rfind('-');
+ if (dash != std::string::npos)
+ {
+ std::string sbegin = x.substr(0, dash);
+ std::string send = x.substr(dash+1, x.length());
+ range_begin = atoi(sbegin.c_str());
+ range_end = atoi(send.c_str());
+
+ if ((range_begin > 0) && (range_end > 0) && (range_begin < 65536) && (range_end < 65536) && (range_begin < range_end))
+ {
+ in_range = range_begin;
+ return in_range;
+ }
+ else
+ {
+ /* Assume its just the one port */
+ return atoi(sbegin.c_str());
+ }
+ }
+ else
+ {
+ return atoi(x.c_str());
+ }
+}
+
+irc::dynamicbitmask::dynamicbitmask() : bits_size(4)
+{
+ /* We start with 4 bytes allocated which is room
+ * for 4 items. Something makes me doubt its worth
+ * allocating less than 4 bytes.
+ */
+ bits = new unsigned char[bits_size];
+ memset(bits, 0, bits_size);
+}
+
+irc::dynamicbitmask::~dynamicbitmask()
+{
+ /* Tidy up the entire used memory on delete */
+ delete[] bits;
+}
+
+irc::bitfield irc::dynamicbitmask::Allocate()
+{
+ /* Yeah, this isnt too efficient, however a module or the core
+ * should only be allocating bitfields on load, the Toggle and
+ * Get methods are O(1) as these are called much more often.
+ */
+ unsigned char* freebits = this->GetFreeBits();
+ for (unsigned char i = 0; i < bits_size; i++)
+ {
+ /* Yes, this is right. You'll notice we terminate the loop when !current_pos,
+ * this is because we logic shift our bit off the end of unsigned char, and its
+ * lost, making the loop counter 0 when we're done.
+ */
+ for (unsigned char current_pos = 1; current_pos; current_pos = current_pos << 1)
+ {
+ if (!(freebits[i] & current_pos))
+ {
+ freebits[i] |= current_pos;
+ return std::make_pair(i, current_pos);
+ }
+ }
+ }
+ /* We dont have any free space left, increase by one */
+
+ if (bits_size == 255)
+ /* Oh dear, cant grow it any further */
+ throw std::bad_alloc();
+
+ unsigned char old_bits_size = bits_size;
+ bits_size++;
+ /* Allocate new bitfield space */
+ unsigned char* temp_bits = new unsigned char[bits_size];
+ unsigned char* temp_freebits = new unsigned char[bits_size];
+ /* Copy the old data in */
+ memcpy(temp_bits, bits, old_bits_size);
+ memcpy(temp_freebits, freebits, old_bits_size);
+ /* Delete the old data pointers */
+ delete[] bits;
+ delete[] freebits;
+ /* Swap the pointers over so now the new
+ * pointers point to our member values
+ */
+ bits = temp_bits;
+ freebits = temp_freebits;
+ this->SetFreeBits(freebits);
+ /* Initialize the new byte on the end of
+ * the bitfields, pre-allocate the one bit
+ * for this allocation
+ */
+ bits[old_bits_size] = 0;
+ freebits[old_bits_size] = 1;
+ /* We already know where we just allocated
+ * the bitfield, so no loop needed
+ */
+ return std::make_pair(old_bits_size, 1);
+}
+
+bool irc::dynamicbitmask::Deallocate(irc::bitfield &pos)
+{
+ /* We dont bother to shrink the bitfield
+ * on deallocation, the most we could do
+ * is save one byte (!) and this would cost
+ * us a loop (ugly O(n) stuff) so we just
+ * clear the bit and leave the memory
+ * claimed -- nobody will care about one
+ * byte.
+ */
+ if (pos.first < bits_size)
+ {
+ this->GetFreeBits()[pos.first] &= ~pos.second;
+ return true;
+ }
+ /* They gave a bitfield outside of the
+ * length of our array. BAD programmer.
+ */
+ return false;
+}
+
+void irc::dynamicbitmask::Toggle(irc::bitfield &pos, bool state)
+{
+ /* Range check the value */
+ if (pos.first < bits_size)
+ {
+ if (state)
+ /* Set state, OR the state in */
+ bits[pos.first] |= pos.second;
+ else
+ /* Clear state, AND the !state out */
+ bits[pos.first] &= ~pos.second;
+ }
+}
+
+bool irc::dynamicbitmask::Get(irc::bitfield &pos)
+{
+ /* Range check the value */
+ if (pos.first < bits_size)
+ return (bits[pos.first] & pos.second);
+ else
+ /* We can't return false, otherwise we can't
+ * distinguish between failure and a cleared bit!
+ * Our only sensible choice is to throw (ew).
+ */
+ throw ModuleException("irc::dynamicbitmask::Get(): Invalid bitfield, out of range");
+}
+
+unsigned char irc::dynamicbitmask::GetSize()
+{
+ return bits_size;