core: New API functions gpgrt_strdup and gpgrt_strconcat.

* src/visibility.c (gpgrt_strdup): New API fucntion.
(gpgrt_strconcat): New API fucntion.
* src/visibility.h: Add corresponding macros.
* src/gpg-error.def.in: Add them.
* src/gpg-error.vers: Add them.
* src/gpgrt-int.h (DIM): New macro.
* src/init.c (_gpgrt_strdup): New.
(_gpgrt_strconcat_core): New.
(_gpgrt_strconcat): New.
--

Signed-off-by: Werner Koch <[email protected]>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/visibility.c b/src/visibility.c
index 6172769..888492a 100644
--- a/src/visibility.c
+++ b/src/visibility.c
@@ -522,6 +522,29 @@ gpgrt_calloc (size_t n, size_t m)
   return _gpgrt_calloc (n, m);
 }
 
+char *
+gpgrt_strdup (const char *string)
+{
+  return _gpgrt_strdup (string);
+}
+
+char *
+gpgrt_strconcat (const char *s1, ...)
+{
+  va_list arg_ptr;
+  char *result;
+
+  if (!s1)
+    result = _gpgrt_strdup ("");
+  else
+    {
+      va_start (arg_ptr, s1);
+      result = _gpgrt_strconcat_core (s1, arg_ptr);
+      va_end (arg_ptr);
+    }
+  return result;
+}
+
 void
 gpgrt_free (void *a)
 {