Deleted obsolete file.

Rev: src/read_base64.c:1.5(DEAD)

src/read_base64.c

-/* read_base64.c
- *
- * A read handler for reading an entire file as a string.
- *
- * $Id$ */
-
-/* lsh, an implementation of the ssh protocol
- *
- * Copyright (C) 2000 Niels Mller
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include "read_file.h"
-
-#include "digits.h"
-#include "format.h"
-#include "werror.h"
-#include "xalloc.h"
-
-#include <assert.h>
-
-#include "read_base64.c.x"
-
-/* GABA:
-   (class
-     (name read_base64)
-     (super read_handler)
-     (vars
-       (c object abstract_write)
-       (state . "struct base64_state")
-
-       (buffer string)
-       (pos . UINT32)))
-*/
-
-/* We can use any non-digit as terminator for base_64_decode */
-#define TERMINATOR 0
-
-static UINT32
-do_read_base64(struct read_handler **h,
-	       UINT32 available,
-	       UINT8 *data)
-{
-  CAST(read_base64, self, *h);
-
-  if (!self->buffer)
-    {
-      /* Ignore any extra data. */
-      werror("do_read_base64: buffer == NULL, ignoring extra data.\n");
-      return available;
-    }
-  
-  if (!available)
-    {
-      /* EOF reached */
-      if (base64_decode(&self->state, TERMINATOR)
-	  == BASE64_END)
-	{
-	  lsh_string_trunc(self->buffer, self->pos);
-	  A_WRITE(self->c, self->buffer);
-	}
-      else
-	{
-	  A_WRITE(self->c, NULL);
-	  lsh_string_free(self->buffer);
-	}
-
-      self->buffer = NULL;
-	  
-      *h = NULL;
-      return 0;
-    }
-  else    
-    {
-      UINT32 i;
-      for (i = 0; i < available; )
-	{
-	  int digit = base64_decode(&self->state, data[i++]);
-	  switch (digit)
-	    {
-	    case BASE64_INVALID:
-	    case BASE64_END:
-	      A_WRITE(self->c, NULL);
-	      *h = NULL;
-	      return available;
-
-	    case BASE64_SPACE:
-	    case BASE64_PARTIAL:
-	      break;
-
-	    default:
-	      self->buffer->data[self->pos++] = digit;
-	      if (self->pos == self->buffer->length)
-		{
-		  A_WRITE(self->c, self->buffer);
-		  self->buffer = NULL;
-		  *h = NULL;
-		  return i;
-		}
-	    }
-	}
-      return available;
-    }
-}
-
-struct read_handler *
-make_read_base64(struct abstract_write *c,
-		 UINT32 max_size)
-{
-  NEW(read_base64, self);
-  assert(max_size);
-  
-  self->super.handler = do_read_base64;
-  self->c = c;
-  base64_init(&self->state, TERMINATOR);
-
-  self->buffer = lsh_string_alloc(max_size);
-  self->pos = 0;
-
-  return &self->super;
-}