* 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 e7e325bafec74ad13f9910cf3cfcdac39e7a2702..615e236b2cce50a988f707e23c2ce2c484f44dc5 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 a65624a406f60df0608a239847fd8e01cd2c047e..3e7c2e3359189143d7bdbedf565d2153b079e66a 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -2,7 +2,7 @@ NEWS - list of user-visible changes between releases of GNU Libtool
 
 New in 1.3d: 2000-??-??; CVS version 1.3c, Libtool team:
 * ltconfig is no more.  Generation of libtool happens directly from
-  the configure file. 
+  the configure file.
 * New -no-install flag to avoid the use of executable wrapper scripts.
 * New --with-pic, -prefer-pic and -prefer-non-pic flags to control
   the generation of PIC/non-PIC code.
@@ -12,7 +12,8 @@ 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 c7fc1e4da025682b469fd515c490c9fc7a925e30..fe2048514ed93d9f195d91fa083526a38b2c2080 100644 (file)
--- a/doc/libtool.texi
+++ b/doc/libtool.texi
@@ -2958,8 +2958,8 @@ 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
@@ -2970,6 +2970,13 @@ As soon as @var{func} returns a non-zero value for one of the handles,
 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
 any other data that you need to associate with each handle for the

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 4b62016262ca91bd6332b61b03254c2ad5c9863e..c8d36931ae5d9c8bec3fc65afb780eded43ad2e9 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));