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Diffstat (limited to 'src/locale/dcngettext.c')
-rw-r--r--src/locale/dcngettext.c54
1 files changed, 46 insertions, 8 deletions
diff --git a/src/locale/dcngettext.c b/src/locale/dcngettext.c
index 4f9e4174..51e6522a 100644
--- a/src/locale/dcngettext.c
+++ b/src/locale/dcngettext.c
@@ -4,6 +4,7 @@
#include <errno.h>
#include <limits.h>
#include <sys/stat.h>
+#include <ctype.h>
#include "locale_impl.h"
#include "libc.h"
#include "atomic.h"
@@ -95,6 +96,8 @@ struct msgcat {
struct msgcat *next;
const void *map;
size_t map_size;
+ void *plural_rule;
+ int nplurals;
char name[];
};
@@ -107,6 +110,7 @@ weak_alias(dummy_gettextdomain, __gettextdomain);
const unsigned char *__map_file(const char *, size_t *);
int __munmap(void *, size_t);
+unsigned long __pleval(const char *, unsigned long);
char *dcngettext(const char *domainname, const char *msgid1, const char *msgid2, unsigned long int n, int category)
{
@@ -190,19 +194,53 @@ notrans:
const char *trans = __mo_lookup(p->map, p->map_size, msgid1);
if (!trans) goto notrans;
- /* FIXME: support alternate plural rules */
- if (n != 1) {
- size_t l = strlen(trans);
- if (l+1 >= p->map_size - (trans - (char *)p->map))
- goto notrans;
- trans += l+1;
+ /* Non-plural-processing gettext forms pass a null pointer as
+ * msgid2 to request that dcngettext suppress plural processing. */
+ if (!msgid2) return (char *)trans;
+
+ if (!p->plural_rule) {
+ const char *rule = "n!=1;";
+ unsigned long np = 2;
+ const char *r = __mo_lookup(p->map, p->map_size, "");
+ char *z;
+ while (r && strncmp(r, "Plural-Forms:", 13)) {
+ z = strchr(r, '\n');
+ r = z ? z+1 : 0;
+ }
+ if (r) {
+ r += 13;
+ while (isspace(*r)) r++;
+ if (!strncmp(r, "nplurals=", 9)) {
+ np = strtoul(r+9, &z, 10);
+ r = z;
+ }
+ while (*r && *r != ';') r++;
+ if (*r) {
+ r++;
+ while (isspace(*r)) r++;
+ if (!strncmp(r, "plural=", 7))
+ rule = r+7;
+ }
+ }
+ a_store(&p->nplurals, np);
+ a_cas_p(&p->plural_rule, 0, (void *)rule);
+ }
+ if (p->nplurals) {
+ unsigned long plural = __pleval(p->plural_rule, n);
+ if (plural > p->nplurals) goto notrans;
+ while (plural--) {
+ size_t l = strlen(trans);
+ if (l+1 >= p->map_size - (trans - (char *)p->map))
+ goto notrans;
+ trans += l+1;
+ }
}
return (char *)trans;
}
char *dcgettext(const char *domainname, const char *msgid, int category)
{
- return dcngettext(domainname, msgid, msgid, 1, category);
+ return dcngettext(domainname, msgid, 0, 1, category);
}
char *dngettext(const char *domainname, const char *msgid1, const char *msgid2, unsigned long int n)
@@ -212,5 +250,5 @@ char *dngettext(const char *domainname, const char *msgid1, const char *msgid2,
char *dgettext(const char *domainname, const char *msgid)
{
- return dcngettext(domainname, msgid, msgid, 1, LC_MESSAGES);
+ return dcngettext(domainname, msgid, 0, 1, LC_MESSAGES);
}