From 1a0a520cc5149e30ab60fbd8d43892436e9c75cd Mon Sep 17 00:00:00 2001
From: Pekka Riikonen <priikone@silcnet.org>
Date: Mon, 25 Nov 2002 20:23:16 +0000
Subject: [PATCH] 	Added silc_argument_payload_encode_one.

---
 lib/silccore/silcargument.c | 33 +++++++++++++++++++++++++++++++++
 lib/silccore/silcargument.h | 24 ++++++++++++++++++++++++
 2 files changed, 57 insertions(+)

diff --git a/lib/silccore/silcargument.c b/lib/silccore/silcargument.c
index 58ddbed9..c58a1c98 100644
--- a/lib/silccore/silcargument.c
+++ b/lib/silccore/silcargument.c
@@ -153,6 +153,33 @@ SilcBuffer silc_argument_payload_encode(SilcUInt32 argc,
   return buffer;
 }
 
+/* Encode one argument to buffer */
+
+SilcBuffer silc_argument_payload_encode_one(SilcBuffer args,
+					    unsigned char *arg,
+					    SilcUInt32 arg_len,
+					    SilcUInt32 arg_type)
+{
+  SilcBuffer buffer = args;
+  int len;
+
+  len = 3 + arg_len;
+  buffer = silc_buffer_realloc(buffer,
+			       (buffer ? buffer->truelen + len : len));
+  if (!buffer)
+    return NULL;
+  silc_buffer_pull(buffer, buffer->len);
+  silc_buffer_pull_tail(buffer, len);
+  silc_buffer_format(buffer, 
+		     SILC_STR_UI_SHORT(arg_len),
+		     SILC_STR_UI_CHAR(arg_type),
+		     SILC_STR_UI_XNSTRING(arg, arg_len),
+		     SILC_STR_END);
+  silc_buffer_push(buffer, buffer->data - buffer->head);
+
+  return buffer;
+}
+
 /* Same as above but encode the buffer from SilcArgumentPayload structure
    instead of raw data. */
 
@@ -213,6 +240,7 @@ SilcUInt32 silc_argument_get_arg_num(SilcArgumentPayload payload)
 /* Returns first argument from payload. */
 
 unsigned char *silc_argument_get_first_arg(SilcArgumentPayload payload,
+					   SilcUInt32 *type,
 					   SilcUInt32 *ret_len)
 {
   if (!payload)
@@ -220,6 +248,8 @@ unsigned char *silc_argument_get_first_arg(SilcArgumentPayload payload,
 
   payload->pos = 0;
 
+  if (type)
+    *type = payload->argv_types[payload->pos];
   if (ret_len)
     *ret_len = payload->argv_lens[payload->pos];
 
@@ -229,6 +259,7 @@ unsigned char *silc_argument_get_first_arg(SilcArgumentPayload payload,
 /* Returns next argument from payload or NULL if no more arguments. */
 
 unsigned char *silc_argument_get_next_arg(SilcArgumentPayload payload,
+					  SilcUInt32 *type,
 					  SilcUInt32 *ret_len)
 {
   if (!payload)
@@ -237,6 +268,8 @@ unsigned char *silc_argument_get_next_arg(SilcArgumentPayload payload,
   if (payload->pos >= payload->argc)
     return NULL;
 
+  if (type)
+    *type = payload->argv_types[payload->pos];
   if (ret_len)
     *ret_len = payload->argv_lens[payload->pos];
 
diff --git a/lib/silccore/silcargument.h b/lib/silccore/silcargument.h
index 305b6902..b0d8382a 100644
--- a/lib/silccore/silcargument.h
+++ b/lib/silccore/silcargument.h
@@ -91,6 +91,28 @@ SilcBuffer silc_argument_payload_encode(SilcUInt32 argc,
 					SilcUInt32 *argv_lens,
 					SilcUInt32 *argv_types);
 
+/****f* silccore/SilcArgumentAPI/silc_argument_payload_encode_one
+ *
+ * SYNOPSIS
+ *
+ *    SilcBuffer silc_argument_payload_encode_one(SilcBuffer args,
+ *                                                unsigned char *arg,
+ *                                                SilcUInt32 arg_len,
+ *                                                SilcUInt32 arg_type);
+ *
+ * DESCRIPTION
+ *
+ *    Same as silc_argument_payload_encode but encodes one argument to
+ *    the buffer `args' and returns the buffer.  The returned buffer
+ *    may be different than the `args'.  If `args' is NULL for the first
+ *    argument this allocates the buffer and returns it.
+ *
+ ***/
+SilcBuffer silc_argument_payload_encode_one(SilcBuffer args,
+					    unsigned char *arg,
+					    SilcUInt32 arg_len,
+					    SilcUInt32 arg_type);
+
 /****f* silccore/SilcArgumentAPI/silc_argument_payload_encode_payload
  *
  * SYNOPSIS
@@ -147,6 +169,7 @@ SilcUInt32 silc_argument_get_arg_num(SilcArgumentPayload payload);
  *
  ***/
 unsigned char *silc_argument_get_first_arg(SilcArgumentPayload payload,
+					   SilcUInt32 *type,
 					   SilcUInt32 *ret_len);
 
 /****f* silccore/SilcArgumentAPI/silc_argument_get_next_arg
@@ -165,6 +188,7 @@ unsigned char *silc_argument_get_first_arg(SilcArgumentPayload payload,
  *
  ***/
 unsigned char *silc_argument_get_next_arg(SilcArgumentPayload payload,
+					  SilcUInt32 *type,
 					  SilcUInt32 *ret_len);
 
 /****f* silccore/SilcArgumentAPI/silc_argument_get_arg_type
-- 
2.43.0