libc/iconv/citrus_iconv.c

92 close_shared(struct _citrus_iconv_shared *ci)
95 	if (ci) {
96 		if (ci->ci_module) {
97 			if (ci->ci_ops) {
98 				if (ci->ci_closure)
99 					(*ci->ci_ops->io_uninit_shared)(ci);
100 				free(ci->ci_ops);
102 			_citrus_unload_module(ci->ci_module);
104 		free(ci);
113 	struct _citrus_iconv_shared *ci;
136 	ci = malloc(sizeof(*ci) + len_convname + 1);
137 	if (!ci) {
141 	ci->ci_module = NULL;
142 	ci->ci_ops = NULL;
143 	ci->ci_closure = NULL;
144 	ci->ci_convname = (void *)&ci[1];
145 	memcpy(ci->ci_convname, convname, len_convname + 1);
148 	ret = _citrus_load_module(&ci->ci_module, module);
153 	getops = (_citrus_iconv_getops_t)_citrus_find_getops(ci->ci_module,
159 	ci->ci_ops = malloc(sizeof(*ci->ci_ops));
160 	if (!ci->ci_ops) {
164 	ret = (*getops)(ci->ci_ops);
168 	if (ci->ci_ops->io_init_shared == NULL ||
169 	    ci->ci_ops->io_uninit_shared == NULL ||
170 	    ci->ci_ops->io_init_context == NULL ||
171 	    ci->ci_ops->io_uninit_context == NULL ||
172 	    ci->ci_ops->io_convert == NULL) {
178 	ret = (*ci->ci_ops->io_init_shared)(ci, src, dst);
182 	*rci = ci;
186 	close_shared(ci);
198 match_func(struct _citrus_iconv_shared * __restrict ci,
202 	return (strcmp(ci->ci_convname, key));
209 	struct _citrus_iconv_shared * ci;
219 	_CITRUS_HASH_SEARCH(&shared_pool, ci, ci_hash_entry, match_func,
221 	if (ci != NULL) {
223 		if (ci->ci_used_count == 0) {
224 			TAILQ_REMOVE(&shared_unused, ci, ci_tailq_entry);
227 		ci->ci_used_count++;
228 		*rci = ci;
233 	ret = open_shared(&ci, convname, src, dst);
237 	_CITRUS_HASH_INSERT(&shared_pool, ci, ci_hash_entry, hashval);
238 	ci->ci_used_count = 1;
239 	*rci = ci;
248 release_shared(struct _citrus_iconv_shared * __restrict ci)
252 	ci->ci_used_count--;
253 	if (ci->ci_used_count == 0) {
256 		TAILQ_INSERT_TAIL(&shared_unused, ci, ci_tailq_entry);
259 			ci = TAILQ_FIRST(&shared_unused);
260 			TAILQ_REMOVE(&shared_unused, ci, ci_tailq_entry);
261 			_CITRUS_HASH_REMOVE(ci, ci_hash_entry);
263 			close_shared(ci);
279 	struct _citrus_iconv_shared *ci = NULL;
311 	ret = get_shared(&ci, realsrc, realdst);
320 			release_shared(ci);
325 	(*rcv)->cv_shared = ci;
326 	ret = (*ci->ci_ops->io_init_context)(*rcv);
328 		release_shared(ci);