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db/upnp: check offset<total at end of loop

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This commit is contained in:
Max Kellermann 2014-01-22 21:03:45 +01:00
parent fa67a4e956
commit 6c41e8f63f
1 changed files with 7 additions and 16 deletions
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23
src/db/upnp/ContentDirectoryService.cxx
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@ -114,20 +114,15 @@ ContentDirectoryService::readDir(UpnpClient_Handle handle,
UPnPDirContent &dirbuf,
Error &error)
{
unsigned offset = 0;
unsigned total = 1000;// Updated on first read.
unsigned offset = 0, total = -1, count;
while (offset < total) {
unsigned count;
do {
if (!readDirSlice(handle, objectId, offset, m_rdreqcnt, dirbuf,
count, total, error))
return false;
if (count == 0)
return true;
offset += count;
}
} while (count > 0 && offset < total);
return true;
}
@ -139,10 +134,9 @@ ContentDirectoryService::search(UpnpClient_Handle hdl,
UPnPDirContent &dirbuf,
Error &error)
{
unsigned offset = 0;
unsigned total = 1000;// Updated on first read.
unsigned offset = 0, total = -1, count;
while (offset < total) {
do {
char ofbuf[100];
sprintf(ofbuf, "%d", offset);
@ -173,7 +167,7 @@ ContentDirectoryService::search(UpnpClient_Handle hdl,
const char *value =
ixmlwrap::getFirstElementValue(response, "NumberReturned");
const unsigned count = value != nullptr
count = value != nullptr
? ParseUnsigned(value)
: 0;
@ -187,10 +181,7 @@ ContentDirectoryService::search(UpnpClient_Handle hdl,
ixmlDocument_free(response);
if (!success)
return false;
if (count == 0)
break;
}
} while (count > 0 && offset < total);
return true;
}