Implemented 'Rewind' in the 'Recordings' menu

1 files changed, 60 insertions, 2 deletions

diff --git a/recording.c b/recording.c
index dd364638..72b3135f 100644
--- a/recording.c
+++ b/recording.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.c 1.25 2001/02/04 12:36:32 kls Exp $
+ * $Id: recording.c 1.26 2001/02/11 10:47:31 kls Exp $
  */
 
 #define _GNU_SOURCE
@@ -15,7 +15,6 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <unistd.h>
-#include "dvbapi.h"
 #include "interface.h"
 #include "tools.h"
 #include "videodir.h"
@@ -25,6 +24,7 @@
 #define DATAFORMAT   "%4d-%02d-%02d.%02d:%02d.%02d.%02d" RECEXT
 #define NAMEFORMAT   "%s/%s/" DATAFORMAT
 
+#define RESUMEFILESUFFIX  "/resume.vdr"
 #define SUMMARYFILESUFFIX "/summary.vdr"
 #define MARKSFILESUFFIX   "/marks.vdr"
 
@@ -109,6 +109,64 @@ void AssertFreeDiskSpace(void)
      }
 }
 
+// --- cResumeFile ------------------------------------------------------------
+
+cResumeFile::cResumeFile(const char *FileName)
+{
+  fileName = new char[strlen(FileName) + strlen(RESUMEFILESUFFIX) + 1];
+  if (fileName) {
+     strcpy(fileName, FileName);
+     strcat(fileName, RESUMEFILESUFFIX);
+     }
+  else
+     esyslog(LOG_ERR, "ERROR: can't allocate memory for resume file name");
+}
+
+cResumeFile::~cResumeFile()
+{
+  delete fileName;
+}
+
+int cResumeFile::Read(void)
+{
+  int resume = -1;
+  if (fileName) {
+     int f = open(fileName, O_RDONLY);
+     if (f >= 0) {
+        if (read(f, &resume, sizeof(resume)) != sizeof(resume)) {
+           resume = -1;
+           LOG_ERROR_STR(fileName);
+           }
+        close(f);
+        }
+     else if (errno != ENOENT)
+        LOG_ERROR_STR(fileName);
+     }
+  return resume;
+}
+
+bool cResumeFile::Save(int Index)
+{
+  if (fileName) {
+     int f = open(fileName, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP);
+     if (f >= 0) {
+        if (write(f, &Index, sizeof(Index)) != sizeof(Index))
+           LOG_ERROR_STR(fileName);
+        close(f);
+        return true;
+        }
+     }
+  return false;
+}
+
+void cResumeFile::Delete(void)
+{
+  if (fileName) {
+     if (remove(fileName) < 0 && errno != ENOENT)
+        LOG_ERROR_STR(fileName);
+     }
+}
+
 // --- cRecording ------------------------------------------------------------
 
 cRecording::cRecording(cTimer *Timer)