Autotools update to autoconf-2.68 / automake-1.11 / gettextize 0.18.1.

[pkg/abook.git] / intl / relocatable.h

diff --git a/intl/relocatable.h b/intl/relocatable.h
index 48c5b71e215e9e7c8cca769e12c7bf61d05a309c..3acb5343e2e3653d632c6032dc6d4fae4274d729 100644 (file)
--- a/intl/relocatable.h
+++ b/intl/relocatable.h
@@ -1,5 +1,5 @@
 /* Provide relocatable packages.
-   Copyright (C) 2003 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2005, 2008 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2003.
 
    This program is free software; you can redistribute it and/or modify it
@@ -14,7 +14,7 @@
 
    You should have received a copy of the GNU Library General Public
    License along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
    USA.  */
 
 #ifndef _RELOCATABLE_H
@@ -31,7 +31,9 @@ extern "C" {
 /* When building a DLL, we must export some functions.  Note that because
    this is a private .h file, we don't need to use __declspec(dllimport)
    in any case.  */
-#if defined _MSC_VER && BUILDING_DLL
+#if HAVE_VISIBILITY && BUILDING_DLL
+# define RELOCATABLE_DLL_EXPORTED __attribute__((__visibility__("default")))
+#elif defined _MSC_VER && BUILDING_DLL
 # define RELOCATABLE_DLL_EXPORTED __declspec(dllexport)
 #else
 # define RELOCATABLE_DLL_EXPORTED
@@ -44,23 +46,27 @@ extern "C" {
    instead of "/").  */
 extern RELOCATABLE_DLL_EXPORTED void
        set_relocation_prefix (const char *orig_prefix,
-                             const char *curr_prefix);
+                              const char *curr_prefix);
 
 /* Returns the pathname, relocated according to the current installation
-   directory.  */
+   directory.
+   The returned string is either PATHNAME unmodified or a freshly allocated
+   string that you can free with free() after casting it to 'char *'.  */
 extern const char * relocate (const char *pathname);
 
-/* Memory management: relocate() leaks memory, because it has to construct
-   a fresh pathname.  If this is a problem because your program calls
-   relocate() frequently, think about caching the result.  */
+/* Memory management: relocate() potentially allocates memory, because it has
+   to construct a fresh pathname.  If this is a problem because your program
+   calls relocate() frequently, think about caching the result.  Or free the
+   return value if it was different from the argument pathname.  */
 
 /* Convenience function:
    Computes the current installation prefix, based on the original
    installation prefix, the original installation directory of a particular
-   file, and the current pathname of this file.  Returns NULL upon failure.  */
-extern const char * compute_curr_prefix (const char *orig_installprefix,
-                                        const char *orig_installdir,
-                                        const char *curr_pathname);
+   file, and the current pathname of this file.
+   Returns it, freshly allocated.  Returns NULL upon failure.  */
+extern char * compute_curr_prefix (const char *orig_installprefix,
+                                   const char *orig_installdir,
+                                   const char *curr_pathname);
 
 #else