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-rw-r--r--intl/bindtextdom.c268
1 files changed, 209 insertions, 59 deletions
diff --git a/intl/bindtextdom.c b/intl/bindtextdom.c
index c5d4901..3d49344 100644
--- a/intl/bindtextdom.c
+++ b/intl/bindtextdom.c
@@ -75,29 +75,44 @@ __libc_rwlock_define (extern, _nl_state_lock)
prefix. So we have to make a difference here. */
#ifdef _LIBC
# define BINDTEXTDOMAIN __bindtextdomain
+# define BIND_TEXTDOMAIN_CODESET __bind_textdomain_codeset
# ifndef strdup
# define strdup(str) __strdup (str)
# endif
#else
# define BINDTEXTDOMAIN bindtextdomain__
+# define BIND_TEXTDOMAIN_CODESET bind_textdomain_codeset__
#endif
-/* Specify that the DOMAINNAME message catalog will be found
- in DIRNAME rather than in the system locale data base. */
-char *
-BINDTEXTDOMAIN (domainname, dirname)
+/* Specifies the directory name *DIRNAMEP and the output codeset *CODESETP
+ to be used for the DOMAINNAME message catalog.
+ If *DIRNAMEP or *CODESETP is NULL, the corresponding attribute is not
+ modified, only the current value is returned.
+ If DIRNAMEP or CODESETP is NULL, the corresponding attribute is neither
+ modified nor returned. */
+static void
+set_binding_values (domainname, dirnamep, codesetp)
const char *domainname;
- const char *dirname;
+ const char **dirnamep;
+ const char **codesetp;
{
struct binding *binding;
- char *result;
+ int modified;
/* Some sanity checks. */
if (domainname == NULL || domainname[0] == '\0')
- return NULL;
+ {
+ if (dirnamep)
+ *dirnamep = NULL;
+ if (codesetp)
+ *codesetp = NULL;
+ return;
+ }
__libc_rwlock_wrlock (_nl_state_lock);
+ modified = 0;
+
for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next)
{
int compare = strcmp (domainname, binding->domainname);
@@ -112,40 +127,96 @@ BINDTEXTDOMAIN (domainname, dirname)
}
}
- if (dirname == NULL)
- /* The current binding has be to returned. */
- result = binding == NULL ? (char *) _nl_default_dirname : binding->dirname;
- else if (binding != NULL)
+ if (binding != NULL)
{
- /* The domain is already bound. If the new value and the old
- one are equal we simply do nothing. Otherwise replace the
- old binding. */
- result = binding->dirname;
- if (strcmp (dirname, result) != 0)
+ if (dirnamep)
{
- if (strcmp (dirname, _nl_default_dirname) == 0)
- result = (char *) _nl_default_dirname;
+ const char *dirname = *dirnamep;
+
+ if (dirname == NULL)
+ /* The current binding has be to returned. */
+ *dirnamep = binding->dirname;
else
{
+ /* The domain is already bound. If the new value and the old
+ one are equal we simply do nothing. Otherwise replace the
+ old binding. */
+ char *result = binding->dirname;
+ if (strcmp (dirname, result) != 0)
+ {
+ if (strcmp (dirname, _nl_default_dirname) == 0)
+ result = (char *) _nl_default_dirname;
+ else
+ {
#if defined _LIBC || defined HAVE_STRDUP
- result = strdup (dirname);
+ result = strdup (dirname);
#else
- size_t len = strlen (dirname) + 1;
- result = (char *) malloc (len);
- if (result != NULL)
- memcpy (result, dirname, len);
+ size_t len = strlen (dirname) + 1;
+ result = (char *) malloc (len);
+ if (__builtin_expect (result != NULL, 1))
+ memcpy (result, dirname, len);
#endif
+ }
+
+ if (__builtin_expect (result != NULL, 1))
+ {
+ if (binding->dirname != _nl_default_dirname)
+ free (binding->dirname);
+
+ binding->dirname = result;
+ modified = 1;
+ }
+ }
+ *dirnamep = result;
}
+ }
+
+ if (codesetp)
+ {
+ const char *codeset = *codesetp;
- if (result != NULL)
+ if (codeset == NULL)
+ /* The current binding has be to returned. */
+ *codesetp = binding->codeset;
+ else
{
- if (binding->dirname != _nl_default_dirname)
- free (binding->dirname);
+ /* The domain is already bound. If the new value and the old
+ one are equal we simply do nothing. Otherwise replace the
+ old binding. */
+ char *result = binding->codeset;
+ if (result == NULL || strcmp (codeset, result) != 0)
+ {
+#if defined _LIBC || defined HAVE_STRDUP
+ result = strdup (codeset);
+#else
+ size_t len = strlen (codeset) + 1;
+ result = (char *) malloc (len);
+ if (__builtin_expect (result != NULL, 1))
+ memcpy (result, codeset, len);
+#endif
- binding->dirname = result;
+ if (__builtin_expect (result != NULL, 1))
+ {
+ if (binding->codeset != NULL)
+ free (binding->codeset);
+
+ binding->codeset = result;
+ modified = 1;
+ }
+ }
+ *codesetp = result;
}
}
}
+ else if ((dirnamep == NULL || *dirnamep == NULL)
+ && (codesetp == NULL || *codesetp == NULL))
+ {
+ /* Simply return the default values. */
+ if (dirnamep)
+ *dirnamep = _nl_default_dirname;
+ if (codesetp)
+ *codesetp = NULL;
+ }
else
{
/* We have to create a new binding. */
@@ -153,61 +224,140 @@ BINDTEXTDOMAIN (domainname, dirname)
struct binding *new_binding =
(struct binding *) malloc (sizeof (*new_binding) + len);
- if (new_binding == NULL)
- result = NULL;
- else
+ if (__builtin_expect (new_binding == NULL, 0))
+ goto failed;
+
+ memcpy (new_binding->domainname, domainname, len);
+
+ if (dirnamep)
{
- memcpy (new_binding->domainname, domainname, len);
+ const char *dirname = *dirnamep;
- if (strcmp (dirname, _nl_default_dirname) == 0)
- result = new_binding->dirname = (char *) _nl_default_dirname;
+ if (dirname == NULL)
+ /* The default value. */
+ dirname = _nl_default_dirname;
else
{
+ if (strcmp (dirname, _nl_default_dirname) == 0)
+ dirname = _nl_default_dirname;
+ else
+ {
+ char *result;
#if defined _LIBC || defined HAVE_STRDUP
- result = new_binding->dirname = strdup (dirname);
+ result = strdup (dirname);
+ if (__builtin_expect (result == NULL, 0))
+ goto failed_dirname;
#else
- len = strlen (dirname) + 1;
- result = new_binding->dirname = (char *) malloc (len);
- if (result != NULL)
- memcpy (new_binding->dirname, dirname, len);
+ size_t len = strlen (dirname) + 1;
+ result = (char *) malloc (len);
+ if (__builtin_expect (result == NULL, 0))
+ goto failed_dirname;
+ memcpy (result, dirname, len);
#endif
+ dirname = result;
+ }
}
+ *dirnamep = dirname;
+ new_binding->dirname = (char *) dirname;
}
+ else
+ /* The default value. */
+ new_binding->dirname = (char *) _nl_default_dirname;
- if (result != NULL)
+ if (codesetp)
{
- /* Now enqueue it. */
- if (_nl_domain_bindings == NULL
- || strcmp (domainname, _nl_domain_bindings->domainname) < 0)
- {
- new_binding->next = _nl_domain_bindings;
- _nl_domain_bindings = new_binding;
- }
- else
+ const char *codeset = *codesetp;
+
+ if (codeset != NULL)
{
- binding = _nl_domain_bindings;
- while (binding->next != NULL
- && strcmp (domainname, binding->next->domainname) > 0)
- binding = binding->next;
+ char *result;
- new_binding->next = binding->next;
- binding->next = new_binding;
+#if defined _LIBC || defined HAVE_STRDUP
+ result = strdup (codeset);
+ if (__builtin_expect (result == NULL, 0))
+ goto failed_codeset;
+#else
+ size_t len = strlen (codeset) + 1;
+ result = (char *) malloc (len);
+ if (__builtin_expect (result == NULL, 0))
+ goto failed_codeset;
+ memcpy (result, codeset, len);
+#endif
+ codeset = result;
}
+ *codesetp = codeset;
+ new_binding->codeset = (char *) codeset;
+ }
+ else
+ new_binding->codeset = NULL;
+
+ /* Now enqueue it. */
+ if (_nl_domain_bindings == NULL
+ || strcmp (domainname, _nl_domain_bindings->domainname) < 0)
+ {
+ new_binding->next = _nl_domain_bindings;
+ _nl_domain_bindings = new_binding;
+ }
+ else
+ {
+ binding = _nl_domain_bindings;
+ while (binding->next != NULL
+ && strcmp (domainname, binding->next->domainname) > 0)
+ binding = binding->next;
+
+ new_binding->next = binding->next;
+ binding->next = new_binding;
+ }
+
+ modified = 1;
+
+ /* Here we deal with memory allocation failures. */
+ if (0)
+ {
+ failed_codeset:
+ if (new_binding->dirname != _nl_default_dirname)
+ free (new_binding->dirname);
+ failed_dirname:
+ free (new_binding);
+ failed:
+ if (dirnamep)
+ *dirnamep = NULL;
+ if (codesetp)
+ *codesetp = NULL;
}
- else if (new_binding != NULL)
- free (new_binding);
}
- /* For a succesful call we flush the caches. */
- if (result != NULL)
+ /* If we modified any binding, we flush the caches. */
+ if (modified)
++_nl_msg_cat_cntr;
__libc_rwlock_unlock (_nl_state_lock);
+}
+
+/* Specify that the DOMAINNAME message catalog will be found
+ in DIRNAME rather than in the system locale data base. */
+char *
+BINDTEXTDOMAIN (domainname, dirname)
+ const char *domainname;
+ const char *dirname;
+{
+ set_binding_values (domainname, &dirname, NULL);
+ return (char *) dirname;
+}
- return result;
+/* Specify the character encoding in which the messages from the
+ DOMAINNAME message catalog will be returned. */
+char *
+BIND_TEXTDOMAIN_CODESET (domainname, codeset)
+ const char *domainname;
+ const char *codeset;
+{
+ set_binding_values (domainname, NULL, &codeset);
+ return (char *) codeset;
}
#ifdef _LIBC
-/* Alias for function name in GNU C Library. */
+/* Aliases for function names in GNU C Library. */
weak_alias (__bindtextdomain, bindtextdomain);
+weak_alias (__bind_textdomain_codeset, bind_textdomain_codeset);
#endif