Move armor_data to misc.c.

* dirmngr/ks-engine-hkp.c (armor_data): Move function from here...
* dirmngr/misc.c (armor_data): ... to here and drop static qualifier.
* dirmngr/misc.h: New declaration.

--
Signed-off-by: Neal H. Walfield <neal@g10code.de>

dirmngr/ks-engine-hkp.c

@@ -1114,64 +1114,6 @@ handle_send_request_error (gpg_error_t err, const char *request,
   return retry;
 }
 
-static gpg_error_t
-armor_data (char **r_string, const void *data, size_t datalen)
-{
-  gpg_error_t err;
-  struct b64state b64state;
-  estream_t fp;
-  long length;
-  char *buffer;
-  size_t nread;
-
-  *r_string = NULL;
-
-  fp = es_fopenmem (0, "rw,samethread");
-  if (!fp)
-    return gpg_error_from_syserror ();
-
-  if ((err=b64enc_start_es (&b64state, fp, "PGP PUBLIC KEY BLOCK"))
-      || (err=b64enc_write (&b64state, data, datalen))
-      || (err = b64enc_finish (&b64state)))
-    {
-      es_fclose (fp);
-      return err;
-    }
-
-  /* FIXME: To avoid the extra buffer allocation estream should
-     provide a function to snatch the internal allocated memory from
-     such a memory stream.  */
-  length = es_ftell (fp);
-  if (length < 0)
-    {
-      err = gpg_error_from_syserror ();
-      es_fclose (fp);
-      return err;
-    }
-
-  buffer = xtrymalloc (length+1);
-  if (!buffer)
-    {
-      err = gpg_error_from_syserror ();
-      es_fclose (fp);
-      return err;
-    }
-
-  es_rewind (fp);
-  if (es_read (fp, buffer, length, &nread))
-    {
-      err = gpg_error_from_syserror ();
-      es_fclose (fp);
-      return err;
-    }
-  buffer[nread] = 0;
-  es_fclose (fp);
-
-  *r_string = buffer;
-  return 0;
-}
-
-
 
 /* Search the keyserver identified by URI for keys matching PATTERN.
    On success R_FP has an open stream to read the data.  */

dirmngr/misc.c

@@ -562,3 +562,60 @@ create_estream_ksba_reader (ksba_reader_t *r_reader, estream_t fp)
   *r_reader = reader;
   return 0;
 }
+
+gpg_error_t
+armor_data (char **r_string, const void *data, size_t datalen)
+{
+  gpg_error_t err;
+  struct b64state b64state;
+  estream_t fp;
+  long length;
+  char *buffer;
+  size_t nread;
+
+  *r_string = NULL;
+
+  fp = es_fopenmem (0, "rw,samethread");
+  if (!fp)
+    return gpg_error_from_syserror ();
+
+  if ((err=b64enc_start_es (&b64state, fp, "PGP PUBLIC KEY BLOCK"))
+      || (err=b64enc_write (&b64state, data, datalen))
+      || (err = b64enc_finish (&b64state)))
+    {
+      es_fclose (fp);
+      return err;
+    }
+
+  /* FIXME: To avoid the extra buffer allocation estream should
+     provide a function to snatch the internal allocated memory from
+     such a memory stream.  */
+  length = es_ftell (fp);
+  if (length < 0)
+    {
+      err = gpg_error_from_syserror ();
+      es_fclose (fp);
+      return err;
+    }
+
+  buffer = xtrymalloc (length+1);
+  if (!buffer)
+    {
+      err = gpg_error_from_syserror ();
+      es_fclose (fp);
+      return err;
+    }
+
+  es_rewind (fp);
+  if (es_read (fp, buffer, length, &nread))
+    {
+      err = gpg_error_from_syserror ();
+      es_fclose (fp);
+      return err;
+    }
+  buffer[nread] = 0;
+  es_fclose (fp);
+
+  *r_string = buffer;
+  return 0;
+}

dirmngr/misc.h

@@ -80,6 +80,10 @@ char *host_and_port_from_url (const char *url, int *port);
 /* Create a KSBA reader object and connect it to the estream FP.  */
 gpg_error_t create_estream_ksba_reader (ksba_reader_t *r_reader, estream_t fp);
 
+/* Encode the binary data in {DATA,DATALEN} as ASCII-armored data and
+   stored it as a NUL-terminated string in *R_STRING.  The caller is
+   responsible for freeing *R_STRING.  */
+gpg_error_t armor_data (char **r_string, const void *data, size_t datalen);
 
 
 #endif /* MISC_H */