8 /* I use the ex_data stuff to manage the identifiers for the obj_name_types
9 * that applications may define. I only really use the free function field.
11 static LHASH *names_lh=NULL;
12 static int names_type_num=OBJ_NAME_TYPE_NUM;
13 static STACK *names_cmp=NULL;
14 static STACK *names_hash=NULL;
15 static STACK *names_free=NULL;
17 static unsigned long obj_name_hash(OBJ_NAME *a);
18 static int obj_name_cmp(OBJ_NAME *a,OBJ_NAME *b);
20 int OBJ_NAME_init(void)
22 if (names_lh != NULL) return(1);
24 names_lh=lh_new(obj_name_hash,obj_name_cmp);
26 return(names_lh != NULL);
29 int OBJ_NAME_new_index(unsigned long (*hash_func)(), int (*cmp_func)(),
35 if (names_free == NULL)
38 names_hash=sk_new_null();
39 names_cmp=sk_new_null();
40 names_free=sk_new_null();
43 if ((names_free == NULL) || (names_hash == NULL) || (names_cmp == NULL))
50 for (i=sk_num(names_free); i<names_type_num; i++)
53 sk_push(names_hash,(char *)strcmp);
54 sk_push(names_cmp,(char *)lh_strhash);
55 sk_push(names_free,NULL);
58 if (hash_func != NULL)
59 sk_value(names_hash,ret)=(char *)hash_func;
61 sk_value(names_cmp,ret)= (char *)cmp_func;
62 if (free_func != NULL)
63 sk_value(names_free,ret)=(char *)free_func;
67 static int obj_name_cmp(OBJ_NAME *a, OBJ_NAME *b)
75 if ((names_cmp != NULL) && (sk_num(names_cmp) > a->type))
77 cmp=(int (*)())sk_value(names_cmp,a->type);
78 ret=cmp(a->name,b->name);
81 ret=strcmp(a->name,b->name);
86 static unsigned long obj_name_hash(OBJ_NAME *a)
89 unsigned long (*hash)();
91 if ((names_hash != NULL) && (sk_num(names_hash) > a->type))
93 hash=(unsigned long (*)())sk_value(names_hash,a->type);
98 ret=lh_strhash(a->name);
104 const char *OBJ_NAME_get(const char *name, int type)
109 if (name == NULL) return(NULL);
110 if ((names_lh == NULL) && !OBJ_NAME_init()) return(NULL);
112 alias=type&OBJ_NAME_ALIAS;
113 type&= ~OBJ_NAME_ALIAS;
120 ret=(OBJ_NAME *)lh_retrieve(names_lh,(char *)&on);
121 if (ret == NULL) return(NULL);
122 if ((ret->alias) && !alias)
124 if (++num > 10) return(NULL);
134 int OBJ_NAME_add(const char *name, int type, const char *data)
140 if ((names_lh == NULL) && !OBJ_NAME_init()) return(0);
142 alias=type&OBJ_NAME_ALIAS;
143 type&= ~OBJ_NAME_ALIAS;
145 onp=(OBJ_NAME *)Malloc(sizeof(OBJ_NAME));
157 ret=(OBJ_NAME *)lh_insert(names_lh,(char *)onp);
161 if ((names_free != NULL) && (sk_num(names_free) > ret->type))
163 f=(void (*)())sk_value(names_free,ret->type);
164 f(ret->name,ret->type,ret->data);
170 if (lh_error(names_lh))
179 int OBJ_NAME_remove(const char *name, int type)
184 if (names_lh == NULL) return(0);
186 type&= ~OBJ_NAME_ALIAS;
189 ret=(OBJ_NAME *)lh_delete(names_lh,(char *)&on);
193 if ((names_free != NULL) && (sk_num(names_free) > type))
195 f=(void (*)())sk_value(names_free,type);
196 f(ret->name,ret->type,ret->data);
205 static int free_type;
207 static void names_lh_free(OBJ_NAME *onp, int type)
212 if ((free_type < 0) || (free_type == onp->type))
214 OBJ_NAME_remove(onp->name,onp->type);
218 void OBJ_NAME_cleanup(int type)
220 unsigned long down_load;
222 if (names_lh == NULL) return;
225 down_load=names_lh->down_load;
226 names_lh->down_load=0;
228 lh_doall(names_lh,names_lh_free);
241 names_lh->down_load=down_load;