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Add stream avail() methods

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Makes it more readable to write code that needs to know how much
data/space is available in a stream.
This commit is contained in:
Pierre Ossman
2020-05-19 20:45:22 +02:00
committed by Lauri Kasanen
parent 910fd8fa3e
commit 7f90205cf2
13 changed files with 38 additions and 22 deletions
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6
common/rdr/ZlibInStream.cxx
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@@ -108,13 +108,13 @@ size_t ZlibInStream::overrun(size_t itemSize, size_t nItems, bool wait)
end -= ptr - start;
ptr = start;
while ((size_t)(end - ptr) < itemSize) {
while (avail() < itemSize) {
if (!decompress(wait))
return 0;
}
size_t nAvail;
nAvail = (end - ptr) / itemSize;
nAvail = avail() / itemSize;
if (nAvail < nItems)
return nAvail;
@@ -136,7 +136,7 @@ bool ZlibInStream::decompress(bool wait)
size_t n = underlying->check(1, 1, wait);
if (n == 0) return false;
zs->next_in = (U8*)underlying->getptr();
zs->avail_in = underlying->getend() - underlying->getptr();
zs->avail_in = underlying->avail();
if (zs->avail_in > bytesIn)
zs->avail_in = bytesIn;