C++ DupString函数代码示例

int init_conf(void)
{
  if (read_configuration_file()) {
    /*
     * make sure we're sane to start if the config
     * file read didn't get everything we need.
     * XXX - should any of these abort the server?
     * TODO: add warning messages
     */
    if (0 == localConf.name || 0 == localConf.numeric)
      return 0;
    if (conf_error)
      return 0;

    if (0 == localConf.location1)
      DupString(localConf.location1, "");
    if (0 == localConf.location2)
      DupString(localConf.location2, "");
    if (0 == localConf.contact)
      DupString(localConf.contact, "");

    return 1;
  }
  return 0;
}

static VALUE
ServiceModule_do_help(VALUE self, VALUE client, VALUE value, VALUE parv)
{
  struct Service *service = get_service(self);
  struct Client *cclient;
  int argc = 0;
  int i;
  char *cvalue = 0;
  char **argv = 0;
  VALUE tmp;

  Check_OurType(client, cClient);
  cclient = value_to_client(client);

  if(!NIL_P(value))
  {
    Check_Type(value, T_STRING);
    Check_Type(parv, T_ARRAY);

    DupString(cvalue, StringValueCStr(value));

    argc = RARRAY(parv)->len - 1;
    argv = ALLOCA_N(char *, argc);

    for(i = 0; i < argc; ++i)
    {
      tmp = rb_ary_entry(parv, i);
      DupString(argv[i], StringValueCStr(tmp));
    }
  }

/*
 * check for public repeating and keep/replace appropriate last phrase
 *													-demond
 */
static int check_repeat(struct Client *source_p,
						struct Channel *chptr,
						char *text)
{
	dlink_node *ptr;
	struct Repeat *repeatptr;

	for (ptr = source_p->user->repeat.head; ptr; ptr = ptr->next) {
		repeatptr = ptr->data;
		if (repeatptr->chptr == chptr)
			if (!strcmp(repeatptr->text, text)) {
				return 1;
			} else {
				MyFree(repeatptr->text);
				DupString(repeatptr->text, text);
				repeatptr->lastphrase = CurrentTime;
				return 0;
			}
	}

	repeatptr = (struct Repeat *)MyMalloc(sizeof(struct Repeat));
	repeatptr->chptr = chptr;
	DupString(repeatptr->text, text);
	repeatptr->lastphrase = CurrentTime;

	ptr = make_dlink_node();
	dlinkAdd(repeatptr, ptr, &source_p->user->repeat);

	return 0;
}

/** Create a Zline structure.
 * @param[in] mask Mask.
 * @param[in] reason Reason for Z-line.
 * @param[in] expire Expiration timestamp.
 * @param[in] lastmod Last modification timestamp.
 * @param[in] flags Bitwise combination of ZLINE_* bits.
 * @return Newly allocated Z-line.
 */
static struct Zline *
make_zline(char *mask, char *reason, time_t expire, time_t lastmod,
	   time_t lifetime, unsigned int flags)
{
  struct Zline *zline;

  assert(0 != expire);

  zline = (struct Zline *)MyMalloc(sizeof(struct Zline)); /* alloc memory */
  assert(0 != zline);

  DupString(zline->zl_reason, reason); /* initialize zline... */
  zline->zl_expire = expire;
  zline->zl_lifetime = lifetime;
  zline->zl_lastmod = lastmod;
  zline->zl_flags = flags & ZLINE_MASK;
  zline->zl_state = ZLOCAL_GLOBAL; /* not locally modified */

  DupString(zline->zl_mask, mask);

  if (ipmask_parse(mask, &zline->zl_addr, &zline->zl_bits)) {
    zline->zl_flags |= ZLINE_IPMASK;
    zline->zl_addr = ipmask_clean(&zline->zl_addr, zline->zl_bits);
  }

  zline->zl_next = GlobalZlineList; /* then link it into list */
  zline->zl_prev_p = &GlobalZlineList;
  if (GlobalZlineList)
    GlobalZlineList->zl_prev_p = &zline->zl_next;
  GlobalZlineList = zline;

  return zline;
}

void
parse_resv_file(FILE * file)
{
	struct ConfItem *aconf;
	char *reason_field;
	char *host_field;
	char line[BUFSIZE];
	char *p;

	while (fgets(line, sizeof(line), file))
	{
		if((p = strpbrk(line, "\r\n")))
			*p = '\0';

		if((*line == '\0') || (line[0] == '#'))
			continue;

		host_field = getfield(line);
		if(EmptyString(host_field))
			continue;

		reason_field = getfield(NULL);
		if(EmptyString(reason_field))
			continue;

		if(IsChannelName(host_field))
		{
			if(hash_find_resv(host_field))
				continue;

			aconf = make_conf();
			aconf->status = CONF_RESV_CHANNEL;
			aconf->port = 0;

			DupString(aconf->name, host_field);
			DupString(aconf->passwd, reason_field);
			add_to_resv_hash(aconf->name, aconf);
		}
		else if(clean_resv_nick(host_field))
		{
			if(find_nick_resv(host_field))
				continue;

			aconf = make_conf();
			aconf->status = CONF_RESV_NICK;
			aconf->port = 0;

			DupString(aconf->name, host_field);
			DupString(aconf->passwd, reason_field);
			dlinkAddAlloc(aconf, &resv_conf_list);
		}
	}
}

static DOMAIN_PIECE *find_or_add_host_piece(DOMAIN_LEVEL *level_ptr,
				     int flags,char *host_piece)
{
  DOMAIN_PIECE *piece_ptr;
  DOMAIN_PIECE *cur_piece;
  DOMAIN_PIECE *new_ptr;
  DOMAIN_PIECE *last_ptr;
  DOMAIN_PIECE *ptr;
  int index;

  index = *host_piece&(MAX_PIECE_LIST-1);
  piece_ptr = level_ptr->piece_list[index];

  if(piece_ptr == (DOMAIN_PIECE *)NULL)
    {
      cur_piece = (DOMAIN_PIECE *)MyMalloc(sizeof(DOMAIN_PIECE));
      memset((void *)cur_piece,0,sizeof(DOMAIN_PIECE));
      DupString(cur_piece->host_piece,host_piece);
      level_ptr->piece_list[index] = cur_piece;
      cur_piece->flags |= flags;
      return(cur_piece);
    }

  last_ptr = (DOMAIN_PIECE *)NULL;

  for(ptr=piece_ptr; ptr; ptr = ptr->next_piece)
    {
      if(!strcasecmp(ptr->host_piece,host_piece))
	{
	  ptr->flags |= flags;
	  return(ptr);
	}
      last_ptr = ptr;
    }

  if(last_ptr)
    {
      new_ptr = (DOMAIN_PIECE *)MyMalloc(sizeof(DOMAIN_PIECE));
      memset((void *)new_ptr,0,sizeof(DOMAIN_PIECE));
      DupString(new_ptr->host_piece,host_piece);

      last_ptr->next_piece = new_ptr;
      new_ptr->flags |= flags;
      return(new_ptr);
    }
  else
    {
      sendto_realops("Bug: in find_or_add_host_piece. yay.");
      return(NULL);
    }
  /* NOT REACHED */
}

/* conf_add_fields()
 * 
 * inputs       - pointer to config item, host/pass/user/operreason fields
 * output       - NONE
 * side effects - update respective fields with pointers
 */
static void
conf_add_fields(struct ConfItem *aconf,	const char *host_field,
		const char *pass_field,	const char *user_field,
		const char *operreason_field)
{
	if(host_field != NULL)
		DupString(aconf->host, host_field);
	if(pass_field != NULL)
		DupString(aconf->passwd, pass_field);
	if(user_field != NULL)
		DupString(aconf->user, user_field);
	if(operreason_field != NULL)
		DupString(aconf->spasswd, operreason_field);
}

LPSTR GetGenre(LPSTR lpsz)
{
    int id = atoi(lpsz + 1);
    int i;

    if ((*(lpsz + 1) > '0') && (*(lpsz + 1) < '9'))
    {
        for (i = 0; i < NUMGENRES; i++)
        {
            if (id == ID3Genres[i].id)
                return DupString(ID3Genres[i].name);
        }
    }
    return DupString(lpsz);
}

static void	DumpBlock(const char *type, struct block_t *blk)
{
	uint32 size = (ReadDword((uint32)&blk->size) - sizeof(*blk) - sizeof(uint32)) & ~7;
	uint32 seq_id = ReadDword((uint32)&blk->seq_id);
	uint32 line = ReadDword((uint32)&blk->line);
	char *file = DupString(ReadDword((uint32)&blk->file));
	char *func = DupString(ReadDword((uint32)&blk->func));
	uint32 ptr = (uint32)blk + sizeof(*blk);

	printf("%s %08x = seq:%5d, size:%5d, %-30.30s (%4d) %s\n",
		type, ptr, seq_id, size, func, line, basename(file));

	free(file);
	free(func);
}

Lut_t *GetLut(int nband, Input_meta_t *meta, Img_coord_int_t *input_size) {
  Lut_t *this;

  /* Create the lookup table data structure */

  this = (Lut_t *)malloc(sizeof(Lut_t));
  if (this == NULL) 
    RETURN_ERROR("allocating Input data structure", "OpenInput", NULL);

  /* Populate the data structure */
  this->nband = nband;
  this->in_fill = meta->fill;
  this->output_fill = OUTPUT_FILL;
  this->in_satu = INPUT_SATU;
  this->output_satu = OUTPUT_SATU;
  this->aerosol_fill = AEROSOL_FILL;
  this->ar_region_size.l = AEROSOL_REGION_NLINE;
  this->ar_region_size.s = AEROSOL_REGION_NSAMP;
  this->ar_size.l = ((input_size->l - 1) / this->ar_region_size.l) + 1;
  this->ar_size.s = ((input_size->s - 1) / this->ar_region_size.s) + 1;
  this->min_valid_sr = MIN_VALID_SR;
  this->max_valid_sr = MAX_VALID_SR;
  this->atmos_opacity_scale_factor= ATMOS_OPACITY_SCALE_FACTOR;
  this->scale_factor=     SCALE_FACTOR;     /* scale factor            */
  this->scale_factor_err= SCALE_FACTOR_ERR; /* scale factor error      */
  this->add_offset=       ADD_OFFSET;       /* add offset              */
  this->add_offset_err=   ADD_OFFSET_ERR;   /* add offset error        */
  this->calibrated_nt=    CALIBRATED_NT;    /* calibrated nt           */

  this->long_name_prefix = DupString(LONG_NAME_PREFIX);
  if (this->long_name_prefix == NULL) {
    free(this);
    RETURN_ERROR("duplicating long name prefix", "GetLut", NULL);
  }

  this->units = DupString(UNITS);
  if (this->units == NULL) {
    free(this);
    RETURN_ERROR("duplicating ref units", "GetLut", NULL);
  }

  if (!InputMetaCopy(meta, nband, &this->meta)) {
    free(this);
    RETURN_ERROR("copying input metadata", "GetLut", NULL);
  }

  return this;
}

/*
 * m_sxline() - add info ban line
 *
 *	parv[0] = sender prefix
 *	parv[1] =  info banned mask
 */
int	m_sxline(struct Client *cptr, struct Client *sptr, int parc, char *parv[])
  {
    aConfItem *aconf;
    char *reason = NULL;
    char *mask;
    int len;

	if (!IsService(sptr) && !IsServer(cptr))
	  {
		sendto_one(sptr, form_str(ERR_NOPRIVILEGES), me.name, parv[0]);
		return 0;
	  }	  
		
	if(parc<3)
	  {
		sendto_one(sptr, form_str(ERR_NEEDMOREPARAMS),
      	  me.name, parv[0], "SXLINE");
        return 0;
	  }
      
    len=atoi(parv[1]);
    mask = parv[2];
    
    if ((strlen(mask) > len) && (mask[len])==':')
      {
        mask[len] = '\0';
        reason = mask+len+1;
      } 
    else
      { /* Bogus */
        return 0;
      }
    
    if (!find_sxline(mask)) /* sxline does not exist */
	  {

		aconf = make_conf();
		DupString(aconf->name, mask);
		DupString(aconf->passwd, reason);
	    aconf->next = sxlines;
		sxlines = aconf;		

        sendto_serv_butone(cptr, ":%s SXLINE %d :%s:%s", sptr->name, len,
                       aconf->name,aconf->passwd);
	  }

	return 0;
  }

/*
 * ReplaceString - free a string, then allocate new one
 */
void ReplaceString( char **where, const char *str )
{

    MemFree( *where );
    *where = DupString( str );

} /* ReplaceString */

/*
 * mr_error - unregistered client message handler
 *
 * parv[0] = sender prefix
 * parv[parc-1] = text
 */
int mr_error(struct Client* cptr, struct Client* sptr, int parc, char* parv[])
{
  const char *para;

  if (!IsHandshake(cptr) && !IsConnecting(cptr))
    return 0; /* ignore ERROR from regular clients */

  para = (parc > 1 && *parv[parc - 1] != '\0') ? parv[parc - 1] : "<>";

  Debug((DEBUG_ERROR, "Received ERROR message from %s: %s", cli_name(sptr), para));

  if (cptr == sptr)
    sendto_opmask_butone(0, SNO_OLDSNO, "ERROR :from %C -- %s", cptr, para);
  else
    sendto_opmask_butone(0, SNO_OLDSNO, "ERROR :from %C via %C -- %s", sptr,
			 cptr, para);

  if (cli_serv(sptr))
  {
    MyFree(cli_serv(sptr)->last_error_msg);
    DupString(cli_serv(sptr)->last_error_msg, para);
  }

  return 0;
}

/** Send a query to look up the address for a name.
 * @param[in] query Callback information.
 * @param[in] name Hostname to look up.
 * @param[in] request DNS lookup structure (may be NULL).
 * @param[in] type Preferred request type.
 */
static void
do_query_name(dns_callback_f callback, void *ctx, const char *name,
              struct reslist *request, int type)
{
  char host_name[HOSTLEN + 1];

  ircd_strncpy(host_name, name, HOSTLEN);
  add_local_domain(host_name, HOSTLEN);

  if (request == NULL)
  {
    request       = make_request(callback, ctx);
    DupString(request->name, host_name);
#ifdef IPV6
    if (type != T_A)
      request->state = REQ_AAAA;
    else
#endif
    request->state = REQ_A;
  }

  request->type = type;
  Debug((DEBUG_DNS, "Requesting DNS %s %s as %p", (request->state == REQ_AAAA ? "AAAA" : "A"), host_name, request));
  query_name(host_name, C_IN, type, request);
}

struct ResvChannel *
create_channel_resv(char *name, char *reason, int conf)
{
  struct ResvChannel *resv_p = NULL;
  int len;

  if(find_channel_resv(name))
    return NULL;

  if((len = strlen(reason)) > TOPICLEN)
  {
    reason[TOPICLEN] = '\0';
    len = TOPICLEN;
  }

  resv_p = (struct ResvChannel *)MyMalloc(sizeof(struct ResvChannel));

  strlcpy(resv_p->name, name, sizeof(resv_p->name));
  DupString(resv_p->reason, reason);
  resv_p->conf = conf;

  if(ResvChannelList != NULL)
    ResvChannelList->prev = resv_p;

  resv_p->next = ResvChannelList;
  resv_p->prev = NULL;

  ResvChannelList = resv_p;

  add_to_resv_hash_table(resv_p->name, resv_p);

  return resv_p;
}