5 static constmap_hash hash(s,len)
14 if (ch <= 'Z' - 'A') ch += 'a' - 'A';
15 h = ((h << 5) + h) ^ ch;
21 char *constmap(cm,s,len)
29 pos = cm->first[h & cm->mask];
31 if (h == cm->hash[pos])
32 if (len == cm->inputlen[pos])
33 if (!case_diffb(cm->input[pos],len,s))
34 return cm->input[pos] + cm->inputlen[pos] + 1;
40 int constmap_init(cm,s,len,flagcolon)
53 for (j = 0;j < len;++j) if (!s[j]) ++cm->num;
56 while (h && (h < cm->num)) h += h;
59 cm->first = (int *) alloc(sizeof(int) * h);
61 cm->input = (char **) alloc(sizeof(char *) * cm->num);
63 cm->inputlen = (int *) alloc(sizeof(int) * cm->num);
65 cm->hash = (constmap_hash *) alloc(sizeof(constmap_hash) * cm->num);
67 cm->next = (int *) alloc(sizeof(int) * cm->num);
69 for (h = 0;h <= cm->mask;++h)
73 for (j = 0;j < len;++j)
80 if (k >= j) { i = j + 1; continue; }
83 cm->input[pos] = s + i;
84 cm->inputlen[pos] = k;
88 cm->next[pos] = cm->first[h];
97 alloc_free(cm->inputlen);
99 alloc_free(cm->input);
101 alloc_free(cm->first);
106 void constmap_free(cm)
109 alloc_free(cm->next);
110 alloc_free(cm->hash);
111 alloc_free(cm->inputlen);
112 alloc_free(cm->input);
113 alloc_free(cm->first);