New public function gpgrt_access.

* src/gpg-error.h.in (gpgrt_access): New.
* src/gpg-error.vers. src/gpg-error.def.in: Add new function.
* src/sysutils.c (any8bitchar): New.
(_gpgrt_access): New.
* src/visibility.c (gpgrt_access): New.

* src/spawn-w32.c (_gpgrt_spawn_process_detached): Use it.
* src/argparse.c (try_versioned_conffile): Use it.
* tests/t-stringutils.c (check_access): New simple test.
--

This is basically a wrapper to allow handling of utf8 encoded file
names on Windows.  This also fixes the case for versioned config files
in directories with non-ascii characters.

The new test needs to be run manually on Windows using a directory
with Unicode characters.

GnuPG-bug-id: 5098

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/t-stringutils.c b/tests/t-stringutils.c
index a7351e5..8879e1a 100644
--- a/tests/t-stringutils.c
+++ b/tests/t-stringutils.c
@@ -325,6 +325,21 @@ check_absfnameconcat (void)
 }
 
 
+static void
+check_access (void)
+{
+  char *cwd = mygetcwd ();
+
+  if (gpgrt_access (cwd, F_OK))
+    fail ("gpgrt_access(%s) failed: %s\n",
+          cwd, gpg_strerror (gpg_error_from_syserror ()));
+  else
+    show ("gpgrt_access(%s) succeeded\n", cwd);
+
+  xfree (cwd);
+}
+
+
 int
 main (int argc, char **argv)
 {
@@ -373,6 +388,7 @@ main (int argc, char **argv)
 
   check_fnameconcat ();
   check_absfnameconcat ();
+  check_access ();
 
   show ("testing string utilities finished\n");
   return !!errorcount;