libc/iconv/citrus_iconv.c

90 close_shared(struct _citrus_iconv_shared *ci)
93 	if (ci) {
94 		if (ci->ci_module) {
95 			if (ci->ci_ops) {
96 				if (ci->ci_closure)
97 					(*ci->ci_ops->io_uninit_shared)(ci);
98 				free(ci->ci_ops);
100 			_citrus_unload_module(ci->ci_module);
102 		free(ci);
111 	struct _citrus_iconv_shared *ci;
121 	ci = malloc(sizeof(*ci) + len_convname + 1);
122 	if (!ci) {
126 	ci->ci_module = NULL;
127 	ci->ci_ops = NULL;
128 	ci->ci_closure = NULL;
129 	ci->ci_convname = (void *)&ci[1];
130 	memcpy(ci->ci_convname, convname, len_convname + 1);
133 	ret = _citrus_load_module(&ci->ci_module, module);
138 	getops = (_citrus_iconv_getops_t)_citrus_find_getops(ci->ci_module,
144 	ci->ci_ops = malloc(sizeof(*ci->ci_ops));
145 	if (!ci->ci_ops) {
149 	ret = (*getops)(ci->ci_ops);
153 	if (ci->ci_ops->io_init_shared == NULL ||
154 	    ci->ci_ops->io_uninit_shared == NULL ||
155 	    ci->ci_ops->io_init_context == NULL ||
156 	    ci->ci_ops->io_uninit_context == NULL ||
157 	    ci->ci_ops->io_convert == NULL)
161 	ret = (*ci->ci_ops->io_init_shared)(ci, src, dst);
165 	*rci = ci;
169 	close_shared(ci);
181 match_func(struct _citrus_iconv_shared * __restrict ci,
185 	return (strcmp(ci->ci_convname, key));
192 	struct _citrus_iconv_shared * ci;
202 	_CITRUS_HASH_SEARCH(&shared_pool, ci, ci_hash_entry, match_func,
204 	if (ci != NULL) {
206 		if (ci->ci_used_count == 0) {
207 			TAILQ_REMOVE(&shared_unused, ci, ci_tailq_entry);
210 		ci->ci_used_count++;
211 		*rci = ci;
216 	ret = open_shared(&ci, convname, src, dst);
220 	_CITRUS_HASH_INSERT(&shared_pool, ci, ci_hash_entry, hashval);
221 	ci->ci_used_count = 1;
222 	*rci = ci;
231 release_shared(struct _citrus_iconv_shared * __restrict ci)
235 	ci->ci_used_count--;
236 	if (ci->ci_used_count == 0) {
239 		TAILQ_INSERT_TAIL(&shared_unused, ci, ci_tailq_entry);
242 			ci = TAILQ_FIRST(&shared_unused);
243 			TAILQ_REMOVE(&shared_unused, ci, ci_tailq_entry);
244 			_CITRUS_HASH_REMOVE(ci, ci_hash_entry);
246 			close_shared(ci);
262 	struct _citrus_iconv_shared *ci = NULL;
286 	ret = get_shared(&ci, realsrc, realdst);
295 			release_shared(ci);
300 	(*rcv)->cv_shared = ci;
301 	ret = (*ci->ci_ops->io_init_context)(*rcv);
303 		release_shared(ci);