Add logging functions to the API.

* src/gcrypt.h.in (_GCRY_GCC_ATTR_PRINTF): New.
(gcry_log_debug, gcry_log_debughex, gcry_log_debugmpi): New.
(gcry_log_debugpnt, gcry_log_debugsxp): New.
* src/visibility.c (gcry_log_debug): New.
(gcry_log_debughex, gcry_log_debugmpi, gcry_log_debugpnt): New.
(gcry_log_debugsxp): New.
* src/libgcrypt.def, src/libgcrypt.vers: Add new functions.
* src/misc.c (_gcry_logv): Make public.
(_gcry_log_printsxp): New.
* src/g10lib.h (log_printsxp): New macro.
--

For debugging applications it is often required to dump certain data
structures.  Libgcrypt uses several internal functions for this.  To
avoid re-implementing everything in the caller, we now provide access
to some of those functions.

Signed-off-by: Werner Koch <wk@gnupg.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/libgcrypt.vers b/src/libgcrypt.vers
index 904ab412..b1669fde 100644
--- a/src/libgcrypt.vers
+++ b/src/libgcrypt.vers
@@ -101,6 +101,9 @@ GCRYPT_1.6 {
     gcry_mpi_ec_dup; gcry_mpi_ec_add; gcry_mpi_ec_mul;
     gcry_mpi_ec_curve_point;
 
+    gcry_log_debug;
+    gcry_log_debughex; gcry_log_debugmpi; gcry_log_debugpnt; gcry_log_debugsxp;
+
     _gcry_mpi_get_const;
 
     gcry_ctx_release;