Bumped to version 0.2-RC1 from V.

linux.c

@@ -0,0 +1,91 @@
+/*
+  This 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 of the License, or
+  (at your option) any later version.
+
+  This 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 software.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stddef.h>
+#include <fcntl.h>
+#include <scsi/sg.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+
+#include "linux.h"
+
+char *drive;
+int drivefd;
+
+int getdrive(char *arg) {
+  int drivenumber;
+  char *endptr;
+   
+  if (strlen(arg) < 7 || strlen(arg) > 10) return 1;
+  if (strncmp("/dev/sr", arg, 6) != 0) return 1;
+  if (arg[7] < '0' || arg[7] > '9') return 1;
+  if (arg[7] == '0' && arg[8] != 0) return 1;
+  drivenumber = strtoul(&arg[7], &endptr, 10);
+  if (endptr[0] != 0) return 1;
+  if (drivenumber > 255) return 1;
+
+  drive = arg;
+  return 0;
+}
+
+int opendrive() {
+  if ((drivefd = open(drive, O_RDONLY | O_NONBLOCK)) < 0) {
+    fprintf(stderr, EXECUTABLE "Could not open drive %s.\n", drive);
+    return 1;
+  }
+  return 0;
+}
+
+void closedrive() {
+  close(drivefd);
+}
+
+unsigned long long millisecondstime() {
+  struct timeval currenttime;
+  time_t unixtime = time(NULL);
+  gettimeofday(&currenttime, NULL);
+  return ((unixtime * 1000) + (currenttime.tv_usec / 1000));
+}
+
+int sendcdb(const unsigned char *cdb, unsigned char cdblength, unsigned char *buffer, size_t size, int in, unsigned int *sense) {
+  struct sg_io_hdr io_hdr;
+  unsigned char sensebuffer[32];
+
+  memset(&io_hdr, 0, sizeof(io_hdr));
+  memset(&sensebuffer, 0, 32);
+
+  io_hdr.interface_id = 'S';
+  io_hdr.cmdp = (unsigned char *)cdb;
+  io_hdr.cmd_len = cdblength;
+  io_hdr.dxferp = buffer;
+  io_hdr.dxfer_len = size;
+  io_hdr.dxfer_direction = (in ? SG_DXFER_FROM_DEV : SG_DXFER_TO_DEV);
+  io_hdr.sbp = sensebuffer;
+  io_hdr.mx_sb_len = sizeof(sensebuffer);
+  io_hdr.timeout = 20000;
+
+  if (ioctl(drivefd, SG_IO, &io_hdr) < 0) {
+    *sense = 1;
+    return 1;
+  }
+
+  *sense = ((sensebuffer[2] & 0x0f) << 16) + (sensebuffer[12] << 8) + sensebuffer[13];
+  return 0;
+}