+ memset(result, 0, sizeof(*result));
+
+ if (string == NULL) {
+ TR(TRACE_CALLS, ("%s: format is null", TPS(tname)));
+ rc = ERR;
+ } else {
+#if HAVE_TSEARCH
+ TPARM_DATA *fs;
+ void *ft;
+
+ result->format = string;
+ if ((ft = tfind(result, &MyCache, cmp_format)) != 0) {
+ fs = *(TPARM_DATA **) ft;
+ *result = *fs;
+ } else
+#endif
+ {
+ /*
+ * Find the highest parameter-number referred to in the format
+ * string. Use this value to limit the number of arguments copied
+ * from the variable-length argument list.
+ */
+ result->num_parsed = _nc_tparm_analyze(string,
+ result->p_is_s,
+ &(result->num_popped));
+ if (TPS(fmt_buff) == 0) {
+ TR(TRACE_CALLS, ("%s: error in analysis", TPS(tname)));
+ rc = ERR;
+ } else {
+ int n;
+
+ if (result->num_parsed > NUM_PARM)
+ result->num_parsed = NUM_PARM;
+ if (result->num_popped > NUM_PARM)
+ result->num_popped = NUM_PARM;
+ result->num_actual = max(result->num_popped, result->num_parsed);
+
+ for (n = 0; n < result->num_actual; ++n) {
+ if (result->p_is_s[n])
+ result->tparm_type |= (1 << n);
+ }
+#if HAVE_TSEARCH
+ if ((fs = typeCalloc(TPARM_DATA, 1)) != 0) {
+ *fs = *result;
+ if ((fs->format = strdup(string)) != 0) {
+ if (tsearch(fs, &MyCache, cmp_format) != 0) {
+ ++MyCount;
+ } else {
+ free(fs);
+ rc = ERR;
+ }
+ } else {
+ free(fs);
+ rc = ERR;
+ }
+ } else {
+ rc = ERR;
+ }
+#endif
+ }
+ }
+ }