(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 149 insertions, 23 deletions

diff --git a/intl/loadmsgcat.c b/intl/loadmsgcat.c
index 1f55531..efefc69 100644
--- a/intl/loadmsgcat.c
+++ b/intl/loadmsgcat.c
@@ -1,5 +1,5 @@
 /* Load needed message catalogs.
-   Copyright (C) 1995-2005 Free Software Foundation, Inc.
+   Copyright (C) 1995-2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -752,6 +752,146 @@ get_sysdep_segment_value (name)
   return NULL;
 }
 
+/* Initialize the codeset dependent parts of an opened message catalog.
+   Return the header entry.  */
+const char *
+internal_function
+_nl_init_domain_conv (domain_file, domain, domainbinding)
+     struct loaded_l10nfile *domain_file;
+     struct loaded_domain *domain;
+     struct binding *domainbinding;
+{
+  /* Find out about the character set the file is encoded with.
+     This can be found (in textual form) in the entry "".  If this
+     entry does not exist or if this does not contain the `charset='
+     information, we will assume the charset matches the one the
+     current locale and we don't have to perform any conversion.  */
+  char *nullentry;
+  size_t nullentrylen;
+
+  /* Preinitialize fields, to avoid recursion during _nl_find_msg.  */
+  domain->codeset_cntr =
+    (domainbinding != NULL ? domainbinding->codeset_cntr : 0);
+#ifdef _LIBC
+  domain->conv = (__gconv_t) -1;
+#else
+# if HAVE_ICONV
+  domain->conv = (iconv_t) -1;
+# endif
+#endif
+  domain->conv_tab = NULL;
+
+  /* Get the header entry.  */
+  nullentry = _nl_find_msg (domain_file, domainbinding, "", &nullentrylen);
+
+  if (nullentry != NULL)
+    {
+#if defined _LIBC || HAVE_ICONV
+      const char *charsetstr;
+
+      charsetstr = strstr (nullentry, "charset=");
+      if (charsetstr != NULL)
+	{
+	  size_t len;
+	  char *charset;
+	  const char *outcharset;
+
+	  charsetstr += strlen ("charset=");
+	  len = strcspn (charsetstr, " \t\n");
+
+	  charset = (char *) alloca (len + 1);
+# if defined _LIBC || HAVE_MEMPCPY
+	  *((char *) mempcpy (charset, charsetstr, len)) = '\0';
+# else
+	  memcpy (charset, charsetstr, len);
+	  charset[len] = '\0';
+# endif
+
+	  /* The output charset should normally be determined by the
+	     locale.  But sometimes the locale is not used or not correctly
+	     set up, so we provide a possibility for the user to override
+	     this.  Moreover, the value specified through
+	     bind_textdomain_codeset overrides both.  */
+	  if (domainbinding != NULL && domainbinding->codeset != NULL)
+	    outcharset = domainbinding->codeset;
+	  else
+	    {
+	      outcharset = getenv ("OUTPUT_CHARSET");
+	      if (outcharset == NULL || outcharset[0] == '\0')
+		{
+# ifdef _LIBC
+		  outcharset = _NL_CURRENT (LC_CTYPE, CODESET);
+# else
+#  if HAVE_ICONV
+		  extern const char *locale_charset PARAMS ((void));
+		  outcharset = locale_charset ();
+#  endif
+# endif
+		}
+	    }
+
+# ifdef _LIBC
+	  /* We always want to use transliteration.  */
+	  outcharset = norm_add_slashes (outcharset, "TRANSLIT");
+	  charset = norm_add_slashes (charset, "");
+	  if (__gconv_open (outcharset, charset, &domain->conv,
+			    GCONV_AVOID_NOCONV)
+	      != __GCONV_OK)
+	    domain->conv = (__gconv_t) -1;
+# else
+#  if HAVE_ICONV
+	  /* When using GNU libc >= 2.2 or GNU libiconv >= 1.5,
+	     we want to use transliteration.  */
+#   if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) || __GLIBC__ > 2 \
+       || _LIBICONV_VERSION >= 0x0105
+	  if (strchr (outcharset, '/') == NULL)
+	    {
+	      char *tmp;
+
+	      len = strlen (outcharset);
+	      tmp = (char *) alloca (len + 10 + 1);
+	      memcpy (tmp, outcharset, len);
+	      memcpy (tmp + len, "//TRANSLIT", 10 + 1);
+	      outcharset = tmp;
+
+	      domain->conv = iconv_open (outcharset, charset);
+
+	      freea (outcharset);
+	    }
+	  else
+#   endif
+	    domain->conv = iconv_open (outcharset, charset);
+#  endif
+# endif
+
+	  freea (charset);
+	}
+#endif /* _LIBC || HAVE_ICONV */
+    }
+
+  return nullentry;
+}
+
+/* Frees the codeset dependent parts of an opened message catalog.  */
+void
+internal_function
+_nl_free_domain_conv (domain)
+     struct loaded_domain *domain;
+{
+  if (domain->conv_tab != NULL && domain->conv_tab != (char **) -1)
+    free (domain->conv_tab);
+
+#ifdef _LIBC
+  if (domain->conv != (__gconv_t) -1)
+    __gconv_close (domain->conv);
+#else
+# if HAVE_ICONV
+  if (domain->conv != (iconv_t) -1)
+    iconv_close (domain->conv);
+# endif
+#endif
+}
+
 /* Load the message catalogs specified by FILENAME.  If it is no valid
    message catalog do nothing.  */
 void
@@ -773,7 +913,6 @@ _nl_load_domain (domain_file, domainbinding)
   struct loaded_domain *domain;
   int revision;
   const char *nullentry;
-  size_t nullentrylen;
 
   __libc_lock_lock_recursive (lock);
   if (domain_file->decided != 0)
@@ -781,8 +920,8 @@ _nl_load_domain (domain_file, domainbinding)
       /* There are two possibilities:
 
          + is is the same thread calling again during this
-	   initialization via _nl_find_msg.  We have initialized
-	   everything this call needs.
+	   initialization via _nl_init_domain_conv and _nl_find_msg.  We
+	   have initialized everything this call needs.
 
 	 + this is another thread which tried to initialize this object.
            Not necessary anymore since if the lock is available this
@@ -1249,12 +1388,12 @@ _nl_load_domain (domain_file, domainbinding)
       goto out;
     }
 
-  /* No caches of converted translations so far.  */
-  domain->conversions = NULL;
-  domain->nconversions = 0;
+  /* Now initialize the character set converter from the character set
+     the file is encoded with (found in the header entry) to the domain's
+     specified character set or the locale's character set.  */
+  nullentry = _nl_init_domain_conv (domain_file, domain, domainbinding);
 
-  /* Get the header entry and look for a plural specification.  */
-  nullentry = _nl_find_msg (domain_file, domainbinding, "", 0, &nullentrylen);
+  /* Also look for a plural specification.  */
   EXTRACT_PLURAL_EXPRESSION (nullentry, &domain->plural, &domain->nplurals);
 
  out:
@@ -1273,23 +1412,10 @@ internal_function __libc_freeres_fn_section
 _nl_unload_domain (domain)
      struct loaded_domain *domain;
 {
-  size_t i;
-
   if (domain->plural != &__gettext_germanic_plural)
     __gettext_free_exp (domain->plural);
 
-  for (i = 0; i < domain->nconversions; i++)
-    {
-      struct converted_domain *convd = &domain->conversions[i];
-
-      free ((char *) convd->encoding);
-      if (convd->conv_tab != NULL && convd->conv_tab != (char **) -1)
-	free (convd->conv_tab);
-      if (convd->conv != (__gconv_t) -1)
-	__gconv_close (convd->conv);
-    }
-  if (domain->conversions != NULL)
-    free (domain->conversions);
+  _nl_free_domain_conv (domain);
 
   if (domain->malloced)
     free (domain->malloced);