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Code Issues Releases Wiki Activity

Fixed a crash in case the index file can't be accessed any more during replay

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This commit is contained in:
Klaus Schmidinger 2003-03-30 13:31:32 +02:00
parent f2517f2c3a
commit 0f9f3f057a
3 changed files with 13 additions and 13 deletions
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1
CONTRIBUTORS
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@ -163,6 +163,7 @@ Stefan Huelswitt <huels@iname.com>
encrypted channel
for reporting a problem with timers when channel IDs have a 'source' that is 0
for reporting a new/delete malloc/free mismatch in ringbuffer.c
for reporting a crash in case the index file can't be accessed any more during replay
Ulrich Röder <roeder@efr-net.de>
for pointing out that there are channels that have a symbol rate higher than

2
HISTORY
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@ -2008,3 +2008,5 @@ Video Disk Recorder Revision History
Werner Fink).
- Further increased the timeout until an index file is considerd no longer to be
written.
- Fixed a crash in case the index file can't be accessed any more during replay
(thanks to Stefan Huelswitt for reporting this one).

23
recording.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: recording.c 1.73 2003/03/30 13:07:03 kls Exp $
* $Id: recording.c 1.74 2003/03/30 13:26:20 kls Exp $
*/
#include "recording.h"
@ -848,6 +848,7 @@ cIndexFile::~cIndexFile()
bool cIndexFile::CatchUp(int Index)
{
// returns true unless something really goes wrong, so that 'index' becomes NULL
if (index && f >= 0) {
for (int i = 0; i <= MAXINDEXCATCHUP && (Index < 0 || Index >= last); i++) {
struct stat buf;
@ -856,7 +857,7 @@ bool cIndexFile::CatchUp(int Index)
// apparently the index file is not being written any more
close(f);
f = -1;
return false;
break;
}
int newLast = buf.st_size / sizeof(tIndex) - 1;
if (newLast > last) {
@ -889,13 +890,12 @@ bool cIndexFile::CatchUp(int Index)
}
else
LOG_ERROR_STR(fileName);
if (Index >= last)
sleep(1);
else
return true;
if (Index < last)
break;
sleep(1);
}
}
return false;
return index != NULL;
}
bool cIndexFile::Write(uchar PictureType, uchar FileNumber, int FileOffset)
@ -915,8 +915,7 @@ bool cIndexFile::Write(uchar PictureType, uchar FileNumber, int FileOffset)
bool cIndexFile::Get(int Index, uchar *FileNumber, int *FileOffset, uchar *PictureType, int *Length)
{
if (index) {
CatchUp(Index);
if (CatchUp(Index)) {
if (Index >= 0 && Index < last) {
*FileNumber = index[Index].number;
*FileOffset = index[Index].offset;
@ -938,8 +937,7 @@ bool cIndexFile::Get(int Index, uchar *FileNumber, int *FileOffset, uchar *Pictu
int cIndexFile::GetNextIFrame(int Index, bool Forward, uchar *FileNumber, int *FileOffset, int *Length, bool StayOffEnd)
{
if (index) {
CatchUp();
if (CatchUp()) {
int d = Forward ? 1 : -1;
for (;;) {
Index += d;
@ -976,8 +974,7 @@ int cIndexFile::GetNextIFrame(int Index, bool Forward, uchar *FileNumber, int *F
int cIndexFile::Get(uchar FileNumber, int FileOffset)
{
if (index) {
CatchUp();
if (CatchUp()) {
//TODO implement binary search!
int i;
for (i = 0; i < last; i++) {