9 #include "locale_impl.h"
22 static void *volatile bindings;
24 static char *gettextdir(const char *domainname, size_t *dirlen)
27 for (p=bindings; p; p=p->next) {
28 if (!strcmp(p->domainname, domainname) && p->active) {
30 return (char *)p->dirname;
36 char *bindtextdomain(const char *domainname, const char *dirname)
38 static volatile int lock[1];
39 struct binding *p, *q;
41 if (!domainname) return 0;
42 if (!dirname) return gettextdir(domainname, &(size_t){0});
44 size_t domlen = strnlen(domainname, NAME_MAX+1);
45 size_t dirlen = strnlen(dirname, PATH_MAX);
46 if (domlen > NAME_MAX || dirlen >= PATH_MAX) {
53 for (p=bindings; p; p=p->next) {
54 if (!strcmp(p->domainname, domainname) &&
55 !strcmp(p->dirname, dirname)) {
61 p = calloc(sizeof *p + domlen + dirlen + 2, 1);
68 p->domainname = p->buf;
69 p->dirname = p->buf + domlen + 1;
70 memcpy(p->domainname, domainname, domlen+1);
71 memcpy(p->dirname, dirname, dirlen+1);
72 a_cas_p(&bindings, bindings, p);
75 a_store(&p->active, 1);
77 for (q=bindings; q; q=q->next) {
78 if (!strcmp(q->domainname, domainname) && q != p)
79 a_store(&q->active, 0);
84 return (char *)p->dirname;
87 static const char catnames[][12] = {
96 static const char catlens[] = { 8, 10, 7, 10, 11, 11 };
102 void *volatile plural_rule;
103 volatile int nplurals;
104 struct binding *binding;
105 const struct __locale_map *lm;
109 static char *dummy_gettextdomain()
114 weak_alias(dummy_gettextdomain, __gettextdomain);
116 char *dcngettext(const char *domainname, const char *msgid1, const char *msgid2, unsigned long int n, int category)
118 static struct msgcat *volatile cats;
120 struct __locale_struct *loc = CURRENT_LOCALE;
121 const struct __locale_map *lm;
125 if ((unsigned)category >= LC_ALL) goto notrans;
127 if (!domainname) domainname = __gettextdomain();
129 domlen = strnlen(domainname, NAME_MAX+1);
130 if (domlen > NAME_MAX) goto notrans;
132 for (q=bindings; q; q=q->next)
133 if (!strcmp(q->domainname, domainname) && q->active)
135 if (!q) goto notrans;
137 lm = loc->cat[category];
140 return (char *) ((n == 1) ? msgid1 : msgid2);
143 for (p=cats; p; p=p->next)
144 if (p->binding == q && p->lm == lm && p->cat == category)
148 const char *dirname, *locname, *catname, *modname, *locp;
149 size_t dirlen, loclen, catlen, modlen, alt_modlen;
153 dirname = q->dirname;
155 catname = catnames[category];
158 loclen = strlen(locname);
159 catlen = catlens[category];
161 /* Logically split @mod suffix from locale name. */
162 modname = memchr(locname, '@', loclen);
163 if (!modname) modname = locname + loclen;
164 alt_modlen = modlen = loclen - (modname-locname);
165 loclen = modname-locname;
167 /* Drop .charset identifier; it is not used. */
168 const char *csp = memchr(locname, '.', loclen);
169 if (csp) loclen = csp-locname;
171 char name[dirlen+1 + loclen+modlen+1 + catlen+1 + domlen+3 + 1];
175 snprintf(name, sizeof name, "%s/%.*s%.*s/%s/%s.mo\0",
176 dirname, (int)loclen, locname,
177 (int)alt_modlen, modname, catname, domainname);
178 if (map = __map_file(name, &map_size)) break;
180 /* Try dropping @mod, _YY, then both. */
183 } else if ((locp = memchr(locname, '_', loclen))) {
184 loclen = locp-locname;
190 if (!map) goto notrans;
192 p = calloc(sizeof *p, 1);
194 __munmap((void *)map, map_size);
201 p->map_size = map_size;
205 } while (a_cas_p(&cats, old_cats, p) != old_cats);
208 const char *trans = __mo_lookup(p->map, p->map_size, msgid1);
209 if (!trans) goto notrans;
211 /* Non-plural-processing gettext forms pass a null pointer as
212 * msgid2 to request that dcngettext suppress plural processing. */
213 if (!msgid2) return (char *)trans;
215 if (!p->plural_rule) {
216 const char *rule = "n!=1;";
217 unsigned long np = 2;
218 const char *r = __mo_lookup(p->map, p->map_size, "");
220 while (r && strncmp(r, "Plural-Forms:", 13)) {
226 while (isspace(*r)) r++;
227 if (!strncmp(r, "nplurals=", 9)) {
228 np = strtoul(r+9, &z, 10);
231 while (*r && *r != ';') r++;
234 while (isspace(*r)) r++;
235 if (!strncmp(r, "plural=", 7))
239 a_store(&p->nplurals, np);
240 a_cas_p(&p->plural_rule, 0, (void *)rule);
243 unsigned long plural = __pleval(p->plural_rule, n);
244 if (plural > p->nplurals) goto notrans;
246 size_t rem = p->map_size - (trans - (char *)p->map);
247 size_t l = strnlen(trans, rem);
253 return (char *)trans;
256 char *dcgettext(const char *domainname, const char *msgid, int category)
258 return dcngettext(domainname, msgid, 0, 1, category);
261 char *dngettext(const char *domainname, const char *msgid1, const char *msgid2, unsigned long int n)
263 return dcngettext(domainname, msgid1, msgid2, n, LC_MESSAGES);
266 char *dgettext(const char *domainname, const char *msgid)
268 return dcngettext(domainname, msgid, 0, 1, LC_MESSAGES);