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InputStream: move code to ExpensiveSeeking()

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This commit is contained in:
Max Kellermann 2014-08-19 21:38:18 +02:00
parent 181edf4b53
commit 87eb5cbced
1 changed files with 13 additions and 1 deletions
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14
src/input/InputStream.cxx
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@ -67,10 +67,22 @@ InputStream::LockWaitReady()
WaitReady();
}
/**
* Is seeking on resources behind this URI "expensive"? For example,
* seeking in a HTTP file requires opening a new connection with a new
* HTTP request.
*/
gcc_pure
static bool
ExpensiveSeeking(const char *uri)
{
return uri_has_scheme(uri);
}
bool
InputStream::CheapSeeking() const
{
return IsSeekable() && !uri_has_scheme(uri.c_str());
return IsSeekable() && !ExpensiveSeeking(uri.c_str());
}
bool