-#if !USE_BINARY_SEARCH
-static int dict_ins (Dict dict, const Dict_char *str,
- Dict_ptr back_ptr, int userlen, void *userinfo)
-{
- int i, slen, cmp = 1;
- Dict_ptr ptr = back_ptr;
- short *indxp;
- char *info;
- void *p;
-#if CHECK
- Dict_char prev_char = 0;
-#endif
-
- if (ptr == 0)
- ptr = new_page (dict, back_ptr, &p);
- else
- dict_bf_readp (dict->dbf, ptr, &p);
-
- assert (p);
- assert (ptr);
-
- indxp = (short*) ((char*) p+DICT_PAGESIZE-sizeof(short));
- for (i = DICT_nodir (p); --i >= 0; --indxp)
- {
- if (*indxp > 0) /* tail string here! */
- {
- info = (char*) p + *indxp;
- /* string (Dict_char *) DICT_EOS terminated */
- /* unsigned char length of information */
- /* char * information */
- cmp = dict_strcmp ((Dict_char*) info, str);
-#if CHECK
- assert (info[0] >= prev_char);
- prev_char=info[0];
-#endif
- if (!cmp)
- {
- info += (dict_strlen(info)+1)*sizeof(Dict_char);
- /* consider change of userinfo length... */
- if (*info == userlen)
- {
- if (memcmp (info+1, userinfo, userlen))
- {
- dict_bf_touch (dict->dbf, ptr);
- memcpy (info+1, userinfo, userlen);
- return 1;
- }
- return 2;
- }
- else if (*info > userlen)
- {
- DICT_type(p) = 1;
- *info = userlen;
- dict_bf_touch (dict->dbf, ptr);
- memcpy (info+1, userinfo, userlen);
- return 1;
- }
- else
- {
- DICT_type(p) = 1;
- break;
- }
- }
- else if(cmp > 0)
- break;
- }
- else /* tail of string in sub page */
- {
- Dict_char dc;
- Dict_ptr subptr;
-
- assert (*indxp < 0);
- info = (char*) p - *indxp;
- /* Dict_ptr subptr */
- /* Dict_char sub char */
- /* unsigned char length of information */
- /* char * information */
- memcpy (&subptr, info, sizeof(Dict_ptr));
- memcpy (&dc, info+sizeof(Dict_ptr), sizeof(Dict_char));
- cmp = dc- *str;
-#if CHECK
- assert (dc > prev_char);
- prev_char=dc;
-#endif
- if (!cmp)
- {
- if (*++str == DICT_EOS)
- {
- int xlen;
-
- xlen = info[sizeof(Dict_ptr)+sizeof(Dict_char)];
- if (xlen == userlen)
- {
- if (memcmp (info+sizeof(Dict_ptr)+sizeof(Dict_char)+1,
- userinfo, userlen))
- {
- dict_bf_touch (dict->dbf, ptr);
- memcpy (info+sizeof(Dict_ptr)+sizeof(Dict_char)+1,
- userinfo, userlen);
- return 1;
- }
- return 2;
- }
- else if (xlen > userlen)
- {
- DICT_type(p) = 1;
- info[sizeof(Dict_ptr)+sizeof(Dict_char)] = userlen;
- memcpy (info+sizeof(Dict_ptr)+sizeof(Dict_char)+1,
- userinfo, userlen);
- dict_bf_touch (dict->dbf, ptr);
- return 1;
- }
- if (DICT_size(p)+sizeof(Dict_char)+sizeof(Dict_ptr)+
- userlen >=
- DICT_PAGESIZE - (1+DICT_nodir(p))*sizeof(short))
- {
- assert (0);
- clean_page (dict, ptr, p);
- dict_ins (dict, str-1, ptr, userlen, userinfo);
- }
- else
- {
- info = (char*)p + DICT_size(p);
- memcpy (info, &subptr, sizeof(subptr));
- memcpy (info+sizeof(Dict_ptr), &dc, sizeof(Dict_char));
- info[sizeof(Dict_char)+sizeof(Dict_ptr)] = userlen;
- memcpy (info+sizeof(Dict_char)+sizeof(Dict_ptr)+1,
- userinfo, userlen);
- *indxp = -DICT_size(p);
- DICT_size(p) += sizeof(Dict_char)+sizeof(Dict_ptr)
- +1+userlen;
- DICT_type(p) = 1;
- dict_bf_touch (dict->dbf, ptr);
- }
- if (xlen)
- return 1;
- return 0;
- }
- else
- {
- if (subptr == 0)
- {
- subptr = new_page (dict, ptr, NULL);
- memcpy (info, &subptr, sizeof(subptr));
- dict_bf_touch (dict->dbf, ptr);
- }
- return dict_ins (dict, str, subptr, userlen, userinfo);
- }
- }
- else if(cmp > 0)
- break;
- }
- }
- slen = (dict_strlen(str)+1)*sizeof(Dict_char);
- if (DICT_size(p)+slen+userlen >=
- DICT_PAGESIZE - (1+DICT_nodir(p))*sizeof(short)) /* overflow? */
- {
- if (DICT_type(p) == 1)
- {
- clean_page (dict, ptr, p);
- dict_bf_touch (dict->dbf, ptr);
- return dict_ins (dict, str, ptr, userlen, userinfo);
- }
- i = 0;
- do
- {
- assert (i <= 1);
- if (split_page (dict, ptr, p))
- {
- log (LOG_FATAL, "Unable to split page %d\n", ptr);
- abort ();
- }
- if (DICT_size(p)+slen+userlen <
- DICT_PAGESIZE - (1+DICT_nodir(p))*sizeof(short))
- break;
- i++;
- clean_page (dict, ptr, p);
- } while (DICT_size(p)+slen+userlen > DICT_PAGESIZE -
- (1+DICT_nodir(p))*sizeof(short));
- return dict_ins (dict, str, ptr, userlen, userinfo);
- }
- if (cmp)
- {
- short *indxp1;
- (DICT_nodir(p))++;
- indxp1 = (short*)((char*) p + DICT_PAGESIZE
- - DICT_nodir(p)*sizeof(short));
- for (; indxp1 != indxp; indxp1++)
- indxp1[0] = indxp1[1];
-#if CHECK
- indxp1 = (short*) ((char*) p+DICT_PAGESIZE-sizeof(short));
- for (i = DICT_nodir (p); --i >= 0; --indxp1)
- {
- if (*indxp1 < 0)
- {
- info = (char*)p - *indxp1;
- assert (info[sizeof(Dict_ptr)] > ' ');
- }
- }
-#endif
- }
- info = (char*)p + DICT_size(p);
- memcpy (info, str, slen);
- info += slen;
- *info++ = userlen;
- memcpy (info, userinfo, userlen);
- info += userlen;