1 files changed, 0 insertions, 203 deletions
diff --git a/gnuradio-runtime/lib/gr_circular_file.cc b/gnuradio-runtime/lib/gr_circular_file.cc
deleted file mode 100644
index 6f710c49b1..0000000000
--- a/gnuradio-runtime/lib/gr_circular_file.cc
+++ /dev/null
@@ -1,203 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2002,2010 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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 3, or (at your option)
- * any later version.
- *
- * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <gr_circular_file.h>
-
-#include <unistd.h>
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <assert.h>
-#include <stdlib.h>
-
-#include <algorithm>
-#include <stdio.h>
-#include <string.h>
-
-#ifdef HAVE_IO_H
-#include <io.h>
-#endif
-
-static const int HEADER_SIZE = 4096;
-static const int HEADER_MAGIC = 0xEB021026;
-
-static const int HD_MAGIC = 0;
-static const int HD_HEADER_SIZE = 1;	// integer offsets into header
-static const int HD_BUFFER_SIZE = 2;
-static const int HD_BUFFER_BASE = 3;
-static const int HD_BUFFER_CURRENT = 4;
-
-gr_circular_file::gr_circular_file (const char *filename,
-				    bool writable, int size)
-  : d_fd (-1), d_header (0), d_buffer (0), d_mapped_size (0), d_bytes_read (0)
-{
-  int	mm_prot;
-  if (writable){
-#ifdef HAVE_MMAP
-    mm_prot = PROT_READ | PROT_WRITE;
-#endif
-    d_fd = open (filename, O_CREAT | O_RDWR | O_TRUNC, 0664);
-    if (d_fd < 0){
-      perror (filename);
-      exit (1);
-    }
-#ifdef HAVE_MMAP	/* FIXME */
-    if(ftruncate (d_fd, size + HEADER_SIZE) != 0) {
-      perror (filename);
-      exit (1);
-    }
-#endif
-  }
-  else {
-#ifdef HAVE_MMAP
-    mm_prot = PROT_READ;
-#endif
-    d_fd = open (filename, O_RDONLY);
-    if (d_fd < 0){
-      perror (filename);
-      exit (1);
-    }
-  }
-
-  struct stat statbuf;
-  if (fstat (d_fd, &statbuf) < 0){
-    perror (filename);
-    exit (1);
-  }
-
-  if (statbuf.st_size < HEADER_SIZE){
-    fprintf (stderr, "%s: file too small to be circular buffer\n", filename);
-    exit (1);
-  }
-
-  d_mapped_size = statbuf.st_size;
-#ifdef HAVE_MMAP
-  void *p = mmap (0, d_mapped_size, mm_prot, MAP_SHARED, d_fd, 0);
-  if (p == MAP_FAILED){
-    perror ("gr_circular_file: mmap failed");
-    exit (1);
-  }
-
-  d_header = (int *) p;
-#else
-    perror ("gr_circular_file: mmap unsupported by this system");
-    exit (1);
-#endif
-
-  if (writable){       	// init header
-
-    if (size < 0){
-      fprintf (stderr, "gr_circular_buffer: size must be > 0 when writable\n");
-      exit (1);
-    }
-
-    d_header[HD_MAGIC] = HEADER_MAGIC;
-    d_header[HD_HEADER_SIZE] = HEADER_SIZE;
-    d_header[HD_BUFFER_SIZE] = size;
-    d_header[HD_BUFFER_BASE] = HEADER_SIZE;	// right after header
-    d_header[HD_BUFFER_CURRENT] = 0;
-  }
-
-  // sanity check (the asserts are a bit unforgiving...)
-
-  assert (d_header[HD_MAGIC] == HEADER_MAGIC);
-  assert (d_header[HD_HEADER_SIZE] == HEADER_SIZE);
-  assert (d_header[HD_BUFFER_SIZE] > 0);
-  assert (d_header[HD_BUFFER_BASE] >= d_header[HD_HEADER_SIZE]);
-  assert (d_header[HD_BUFFER_BASE] + d_header[HD_BUFFER_SIZE] <= d_mapped_size);
-  assert (d_header[HD_BUFFER_CURRENT] >= 0 &&
-	  d_header[HD_BUFFER_CURRENT] < d_header[HD_BUFFER_SIZE]);
-
-  d_bytes_read = 0;
-  d_buffer = (unsigned char *) d_header + d_header[HD_BUFFER_BASE];
-}
-
-gr_circular_file::~gr_circular_file ()
-{
-#ifdef HAVE_MMAP
-  if (munmap ((char *) d_header, d_mapped_size) < 0){
-    perror ("gr_circular_file: munmap");
-    exit (1);
-  }
-#endif
-  close (d_fd);
-}
-
-bool
-gr_circular_file::write (void *vdata, int nbytes)
-{
-  unsigned char *data = (unsigned char *) vdata;
-  int	buffer_size = d_header[HD_BUFFER_SIZE];
-  int	buffer_current = d_header[HD_BUFFER_CURRENT];
-
-  while (nbytes > 0){
-    int n = std::min (nbytes, buffer_size - buffer_current);
-    memcpy (d_buffer + buffer_current, data, n);
-
-    buffer_current += n;
-    if (buffer_current >= buffer_size)
-      buffer_current = 0;
-
-    data += n;
-    nbytes -= n;
-  }
-
-  d_header[HD_BUFFER_CURRENT] = buffer_current;
-  return true;
-}
-
-int
-gr_circular_file::read (void *vdata, int nbytes)
-{
-  unsigned char *data = (unsigned char *) vdata;
-  int	buffer_current = d_header[HD_BUFFER_CURRENT];
-  int	buffer_size = d_header[HD_BUFFER_SIZE];
-  int	total = 0;
-
-  nbytes = std::min (nbytes, buffer_size - d_bytes_read);
-
-  while (nbytes > 0){
-    int offset = (buffer_current + d_bytes_read) % buffer_size;
-    int n = std::min (nbytes, buffer_size - offset);
-    memcpy (data, d_buffer + offset, n);
-    data += n;
-    d_bytes_read += n;
-    total += n;
-    nbytes -= n;
-  }
-  return total;
-}
-
-void
-gr_circular_file::reset_read_pointer ()
-{
-  d_bytes_read = 0;
-}