New decrypt flags GPGME_DECRYPT_LISTONLY.HEADmaster

* src/gpgme.h.in (GPGME_DECRYPT_LISTONLY): New.
* src/decrypt.c (op_data_t): Add member list_only.
(_gpgme_decrypt_status_handler): Do not return NO_DATA in list_only
mode.
(_gpgme_op_decrypt_init_result): Add arg flags and set the list_only
flag.
(_gpgme_decrypt_start): Pss flags to the init function.
* src/decrypt-verify.c (decrypt_verify_start): Ditto.
* src/engine-gpg.c (gpg_decrypt): Add --list-only if flag is set.

* tests/run-decrypt.c (main): Add option --list-only.

1 files changed, 7 insertions, 1 deletions

diff --git a/tests/run-decrypt.c b/tests/run-decrypt.c
index c724e407..cbde49dc 100644
--- a/tests/run-decrypt.c
+++ b/tests/run-decrypt.c
@@ -90,6 +90,7 @@ show_usage (int ex)
          "  --no-symkey-cache               disable the use of that cache\n"
          "  --ignore-mdc-error              allow decryption of legacy data\n"
          "  --unwrap         remove only the encryption layer\n"
+         "  --list-only      no actual decryption\n"
          "  --large-buffers  use large I/O buffer\n"
          "  --sensitive      mark data objects as sensitive\n"
          "  --output FILE    write output to FILE instead of stdout\n"
@@ -215,6 +216,11 @@ main (int argc, char **argv)
           raw_output = 1;
           argc--; argv++;
         }
+      else if (!strcmp (*argv, "--list-only"))
+        {
+          flags |= GPGME_DECRYPT_LISTONLY;
+          argc--; argv++;
+        }
       else if (!strcmp (*argv, "--output"))
         {
           argc--; argv++;
@@ -445,7 +451,7 @@ main (int argc, char **argv)
     {
       if (!raw_output)
         print_result (result);
-      if (!output)
+      if (!output && !(flags & GPGME_DECRYPT_LISTONLY))
         {
           if (!raw_output)
             fputs ("Begin Output:\n", stdout);