* NEWS: Updated.

* doc/libtool.texi (User defined module data): Updated.
* libltdl/ltdl.c (lt_dlhandle_next): New function.
* libltdl/ltdl.h (lt_dlhandle_next): Prototypes.

diff --git a/ChangeLog b/ChangeLog
index 9171d9b89779be1b85e01bae8629299e6b1c63e6..100e09dee5f159a5e9d1eded342c4e79e84dbf09 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2001-01-07  Gary V. Vaughan  <gvv@techie.com>
+
+       * NEWS: Updated.
+       * doc/libtool.texi (User defined module data): Updated.
+       * libltdl/ltdl.c (lt_dlhandle_next): New function.
+       * libltdl/ltdl.h (lt_dlhandle_next): Prototypes.
+
 2001-01-05  Gary V. Vaughan  <gvv@techie.com>
 
        * NEWS: Updated.

diff --git a/NEWS b/NEWS
index 63b556afee0e595bdfe528c2a95983d96bb3cd5f..eb6fb54afc5647f67026d7dbbc218bc2e9abb789 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -14,7 +14,8 @@ New in 1.3d: 2000-??-??; CVS version 1.3c, Libtool team:
 * Support -dlopen and -dlpreopen for libraries.
 * Libtool now allows you to link shared libraries against static code.
 * New functions in libltdl:
-  lt_dlgetinfo, lt_dlforeach provide access to module specific data in handles.
+  lt_dlgetinfo, lt_dlhandle_next and lt_dlforeach provide access to module
+  specific data in handles.
   lt_dlcaller_register, lt_dlcaller_set_data and lt_dlcaller_get_data provide
   management for user storage of per module data.
   lt_dlloader_next, lt_dlloader_name, lt_dlloader_find, lt_dlloader_add and
@@ -101,10 +102,10 @@ New in 1.3: 1999-04-29, Libtool team:
   libtool libraries.  Linking of uninstalled libtool libraries into
   libraries is under development for 1.4.
 * Do not drop library dependencies on platforms that allow them.
-* Linking with uninstalled libraries no longer picks installed ones by 
+* Linking with uninstalled libraries no longer picks installed ones by
   mistake.
 * Use libraries from the build tree when running uninstalled
-  executables (may require double linking).  
+  executables (may require double linking).
 * Allow developers to optimize for build-tree executions.
 * Support -export-symbols-regex for controlled symbol exporting.
 * Support -R to hardcode directories in library search paths.
@@ -175,11 +176,11 @@ New in 1.2d: 1998-12-16; CVS version 1.2c, Libtool team:
   It is still undocumented, but you can already find some examples in:
 * New mdemo directory, with tests of -module and dlopening examples.
   Be aware that libltdl is only known to work on a few platforms such as
-  GNU/Linux and Solaris2.  Some mdemo tests are known to FAIL on several 
+  GNU/Linux and Solaris2.  Some mdemo tests are known to FAIL on several
   other platforms; please ignore these failures by now (or work to fix
   them :-).
 * Inter-library dependencies patch finally integrated, but there's
-  still much porting to do.  See PORTING for details (some plans for the 
+  still much porting to do.  See PORTING for details (some plans for the
   future in mail/deplibs in the CVS tree).
 * New option -export-symbols to control symbol exporting when possible.
 * Fixed -export-dynamic problem with C++ programs in egcs 1.1.

diff --git a/doc/libtool.texi b/doc/libtool.texi
index b3c4fd97a8344a37b02a77d4d1fd1c57d291bfde..822780bc8a462a006aabf1a04dcc69f2a0c10a61 100644 (file)
--- a/doc/libtool.texi
+++ b/doc/libtool.texi
@@ -3140,8 +3140,8 @@ Return @code{NULL} on failure.
 @end deftypefun
   
 Furthermore, in order to save you from having to keep a list of the
-handles of all the modules you have loaded, this function will supply
-the @var{handle} for each loaded module to a given callback:
+handles of all the modules you have loaded, these functions allow you to
+iterate over libltdl's list of loaded modules:
   
 @deftypefun int lt_dlforeach (@w{int (*@var{func}) (lt_dlhandle @var{handle}, lt_ptr @var{data})}, @w{lt_ptr @var{data}})
 For each loaded module call the function @var{func}.  The argument
@@ -3151,6 +3151,13 @@ As soon as @var{func} returns a non-zero value for one of the handles,
 @code{lt_dlforeach} will stop calling @var{func} and immediately return 1.
 Otherwise 0 is returned.
 @end deftypefun
+
+@deftypefun lt_dlhandle lt_dlhandle_next (@w{lt_dlhandle place})
+Iterate over the loaded module handles, returning the first handle in the
+list if @var{place} is @code{NULL}, and the next one on subsequent calls.
+If @var{place} is the last element in the list of loaded modules, this
+function returns @code{NULL}.
+@end deftypefun
   
 Of course, you would still need to maintain your own list of loaded
 module handles to parallel the list maintained by libltdl if there are

diff --git a/libltdl/ltdl.c b/libltdl/ltdl.c
index 56c693c7c252da40d85892dffadb6da1a8056855..6c36b4126ebd8d82bce084d3492f49305a8b7924 100644 (file)
--- a/libltdl/ltdl.c
+++ b/libltdl/ltdl.c
@@ -2488,6 +2488,13 @@ lt_dlgetinfo (handle)
   return &(handle->info);
 }
 
+lt_dlhandle
+lt_dlhandle_next (place)
+     lt_dlhandle place;
+{
+  return place ? place->next : (lt_dlhandle) 0;
+}
+
 int
 lt_dlforeach (func, data)
      int (*func) LT_PARAMS((lt_dlhandle handle, lt_ptr data));

diff --git a/libltdl/ltdl.h b/libltdl/ltdl.h
index 5af1af124db81adf4fd2cd5b2ea1591fa4bef8ad..6dd20ef72f372f879af3b4fd020e7ba2f800c142 100644 (file)
--- a/libltdl/ltdl.h
+++ b/libltdl/ltdl.h
@@ -203,8 +203,9 @@ typedef     struct {
                                   number of times lt_dlclosed. */
 } lt_dlinfo;
 
-extern const lt_dlinfo  *lt_dlgetinfo    LT_PARAMS((lt_dlhandle handle));
-extern int               lt_dlforeach    LT_PARAMS((
+extern const lt_dlinfo *lt_dlgetinfo       LT_PARAMS((lt_dlhandle handle));
+extern lt_dlhandle     lt_dlhandle_next    LT_PARAMS((lt_dlhandle place));
+extern int             lt_dlforeach        LT_PARAMS((
                                int (*func) (lt_dlhandle handle, lt_ptr data),
                                lt_ptr data));