+void res_clear(Res r)
+{
+ struct res_entry *re, *re1;
+ for (re = r->first; re; re=re1)
+ {
+ if (re->name)
+ xfree(re->name);
+ if (re->value)
+ xfree(re->value);
+ re1 = re->next;
+ xfree(re);
+ }
+ r->first = r->last = NULL;
+}
+
+void res_close(Res r)
+{
+ if (!r)
+ return;
+ res_clear(r);
+
+ xfree(r);
+}
+
+const char *res_get_prefix(Res r, const char *name, const char *prefix,
+ const char *def)
+{
+ const char *v = 0;;
+ if (prefix)
+ {
+ char rname[128];
+
+ if (strlen(name) + strlen(prefix) >= (sizeof(rname)-2))
+ return 0;
+ strcpy(rname, prefix);
+ strcat(rname, ".");
+ strcat(rname, name);
+ v = res_get(r, rname);
+ }
+ if (!v)
+ v = res_get(r, name);
+ if (!v)
+ v = def;
+ return v;
+}
+
+const char *res_get(Res r, const char *name)
+{
+ struct res_entry *re;
+ const char *v;
+
+ if (!r)
+ return 0;
+
+ v = res_get(r->over_res, name);
+ if (v)
+ return v;
+
+ for (re = r->first; re; re=re->next)
+ if (re->value && !yaz_matchstr(re->name, name))
+ return re->value;
+
+ return res_get(r->def_res, name);
+}
+
+const char *res_get_def(Res r, const char *name, const char *def)
+{
+ const char *t;
+
+ if (!(t = res_get(r, name)))
+ {
+ yaz_log(YLOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
+ return def;
+ }
+ else
+ return t;
+}
+
+int res_get_match(Res r, const char *name, const char *value, const char *s)
+{
+ const char *cn = res_get(r, name);
+
+ if (!cn)
+ cn = s;
+ if (cn && !yaz_matchstr(cn, value))
+ return 1;
+ return 0;
+}
+
+void res_set(Res r, const char *name, const char *value)
+{
+ struct res_entry *re;
+ assert(r);
+
+ for (re = r->first; re; re=re->next)
+ if (re->value && !yaz_matchstr(re->name, name))
+ {
+ xfree(re->value);
+ re->value = xstrdup_env(value);
+ return;
+ }
+ re = add_entry(r);
+ re->name = xstrdup(name);
+ re->value = xstrdup_env(value);
+}
+
+int res_trav(Res r, const char *prefix, void *p,
+ void (*f)(void *p, const char *name, const char *value))
+{
+ struct res_entry *re;
+ int l = 0;
+ int no = 0;
+
+ if (!r)
+ return 0;
+ no = res_trav(r->over_res, prefix, p, f);
+ if (no)
+ return no;
+ if (prefix)
+ l = strlen(prefix);
+ for (re = r->first; re; re=re->next)
+ if (re->value)
+ if (l==0 || !memcmp(re->name, prefix, l))
+ {
+ (*f)(p, re->name, re->value);
+ no++;
+ }
+ if (!no)
+ return res_trav(r->def_res, prefix, p, f);
+ return no;
+}
+
+
+ZEBRA_RES res_write_file(Res r, const char *fname)
+{
+ struct res_entry *re;
+ FILE *fr;
+
+ assert(r);
+ fr = fopen(fname, "w");
+ if (!fr)
+ {
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "Cannot create `%s'", fname);
+ exit(1);
+ }
+
+ for (re = r->first; re; re=re->next)
+ {
+ int no = 0;
+ int lefts = strlen(re->name)+2;
+
+ if (!re->value)
+ fprintf(fr, "%s\n", re->name);
+ else
+ {
+ fprintf(fr, "%s: ", re->name);
+ while (lefts + strlen(re->value+no) > 78)
+ {
+ int i = 20;
+ int ind = no+ 78-lefts;
+ while (--i >= 0)
+ {
+ if (re->value[ind] == ' ')
+ break;
+ --ind;
+ }
+ if (i<0)
+ ind = no + 78 - lefts;
+ for (i = no; i != ind; i++)
+ putc(re->value[i], fr);
+ fprintf(fr, "\\\n");
+ no=ind;
+ lefts = 0;
+ }
+ fprintf(fr, "%s\n", re->value+no);
+ }
+ }
+ fclose(fr);
+ return ZEBRA_OK;
+}
+
+ZEBRA_RES res_get_int(Res r, const char *name, int *val)