core: Add "wipe" mode flag.

* src/gpgrt-int.h (struct _gpgrt_stream_internal): Add field "wipe".
* src/estream.c (mem_free2): New.
(struct estream_cookie_mem): Add flag "wipe".
(func_mem_create): Add arg wipe.
(func_mem_destroy): Wipe.
(X_WIPE): New.
(parse_mode): Parse "wipe" mode flag.
(init_stream_obj): Set it.
(do_close): Wipe internal struct with its static buffers.
(doreadline): Pass wipe mode along to help buffer.
(_gpgrt_mopen): Pass wipe mode.
(_gpgrt_fopenmem): Ditto.
--

GnuPG-bug-id: 6954

This is likely not complete but should wipe out buffers allocated by
fopenmem.

1 files changed, 18 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index a8b60f4..3a8e367 100644
--- a/NEWS
+++ b/NEWS
@@ -4,12 +4,29 @@ Noteworthy changes in version 1.48 (unreleased) [C34/A34/R_]
  * New configure option --with-libtool-modification.  [T6619]
 
  * New option parser flag to detect commands given without a double
-   dash.  There is also the new meta command [command-mode] to set
+   dash.  There is also the new meta command "command-mode" to set
    this flag via a config file.  [T6978]
 
+ * Added an es_fopen mode flag "sequential" with support on Windows.
+   [rE7a42ff0ec9]
+
+ * Added an es_fopen mode flag "wipe" to cleanup internal buffers at
+   close time.  [T6954]
+
+ * New function gpgrt_wipememory.  [T6964]
+
+ * Improvements to setenv on Windows.  [rE89e53ad90f]
+
+ * Fixed call to estream-printf string filters.  [T6737]
+
+ * Many improvements to the yat2m tool.
+
+ * Updates to the build system.
+
  * Interface changes relative to the 1.47 release:
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  ARGPARSE_FLAG_COMMAND          NEW.
+ gpgrt_wipememory               NEW.
 
  Release-info: https://dev.gnupg.org/T6441