X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Flocale%2Fdcngettext.c;h=0b53286db753648d68ddef5b2905091bf39c4b9f;hb=d055e6a45a17673b8dd3ec16e786bb2fe1700dd5;hp=b79b70103d1a28e95919c4a6dc7b2aa32491ba4c;hpb=e4fc9ad780e36c84e1ed6b0fc01b3c53ae65ff9d;p=musl

diff --git a/src/locale/dcngettext.c b/src/locale/dcngettext.c
index b79b7010..0b53286d 100644
--- a/src/locale/dcngettext.c
+++ b/src/locale/dcngettext.c
@@ -4,10 +4,18 @@
 #include <errno.h>
 #include <limits.h>
 #include <sys/stat.h>
+#include <sys/mman.h>
 #include <ctype.h>
 #include "locale_impl.h"
-#include "libc.h"
 #include "atomic.h"
+#include "pleval.h"
+#include "lock.h"
+#include "fork_impl.h"
+
+#define malloc __libc_malloc
+#define calloc __libc_calloc
+#define realloc undef
+#define free undef
 
 struct binding {
 	struct binding *next;
@@ -32,9 +40,11 @@ static char *gettextdir(const char *domainname, size_t *dirlen)
 	return 0;
 }
 
+static volatile int lock[1];
+volatile int *const __gettext_lockptr = lock;
+
 char *bindtextdomain(const char *domainname, const char *dirname)
 {
-	static volatile int lock[2];
 	struct binding *p, *q;
 
 	if (!domainname) return 0;
@@ -98,8 +108,8 @@ struct msgcat {
 	struct msgcat *next;
 	const void *map;
 	size_t map_size;
-	void *volatile plural_rule;
-	volatile int nplurals;
+	const char *plural_rule;
+	int nplurals;
 	struct binding *binding;
 	const struct __locale_map *lm;
 	int cat;
@@ -112,10 +122,6 @@ static char *dummy_gettextdomain()
 
 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)
 {
 	static struct msgcat *volatile cats;
@@ -124,6 +130,10 @@ char *dcngettext(const char *domainname, const char *msgid1, const char *msgid2,
 	const struct __locale_map *lm;
 	size_t domlen;
 	struct binding *q;
+	int old_errno = errno;
+
+	/* match gnu gettext behaviour */
+	if (!msgid1) goto notrans;
 
 	if ((unsigned)category >= LC_ALL) goto notrans;
 
@@ -140,6 +150,7 @@ char *dcngettext(const char *domainname, const char *msgid1, const char *msgid2,
 	lm = loc->cat[category];
 	if (!lm) {
 notrans:
+		errno = old_errno;
 		return (char *) ((n == 1) ? msgid1 : msgid2);
 	}
 
@@ -202,20 +213,7 @@ notrans:
 		p->lm = lm;
 		p->map = map;
 		p->map_size = map_size;
-		do {
-			old_cats = cats;
-			p->next = old_cats;
-		} while (a_cas_p(&cats, old_cats, p) != old_cats);
-	}
 
-	const char *trans = __mo_lookup(p->map, p->map_size, msgid1);
-	if (!trans) goto notrans;
-
-	/* 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, "");
@@ -239,10 +237,22 @@ notrans:
 					rule = r+7;
 			}
 		}
-		a_store(&p->nplurals, np);
-		a_cas_p(&p->plural_rule, 0, (void *)rule);
+		p->nplurals = np;
+		p->plural_rule = rule;
+
+		do {
+			old_cats = cats;
+			p->next = old_cats;
+		} while (a_cas_p(&cats, old_cats, p) != old_cats);
 	}
-	if (p->nplurals) {
+
+	const char *trans = __mo_lookup(p->map, p->map_size, msgid1);
+	if (!trans) goto notrans;
+
+	/* Non-plural-processing gettext forms pass a null pointer as
+	 * msgid2 to request that dcngettext suppress plural processing. */
+
+	if (msgid2 && p->nplurals) {
 		unsigned long plural = __pleval(p->plural_rule, n);
 		if (plural > p->nplurals) goto notrans;
 		while (plural--) {
@@ -253,6 +263,7 @@ notrans:
 			trans += l+1;
 		}
 	}
+	errno = old_errno;
 	return (char *)trans;
 }