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InputStream: add constant UNKNOWN_SIZE

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This commit is contained in:
Max Kellermann 2014-08-19 11:56:12 +02:00
parent f66a72c66b
commit 4265e71d6f
2 changed files with 6 additions and 4 deletions
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8
src/input/InputStream.hxx
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@ -76,8 +76,10 @@ protected:
*/
bool seekable;
static constexpr offset_type UNKNOWN_SIZE = -1;
/**
* the size of the resource, or -1 if unknown
* the size of the resource, or #UNKNOWN_SIZE if unknown
*/
offset_type size;
@ -97,7 +99,7 @@ public:
:uri(_uri),
mutex(_mutex), cond(_cond),
ready(false), seekable(false),
size(-1), offset(0) {
size(UNKNOWN_SIZE), offset(0) {
assert(_uri != nullptr);
}
@ -221,7 +223,7 @@ public:
bool KnownSize() const {
assert(ready);
return size >= 0;
return size != UNKNOWN_SIZE;
}
gcc_pure

2
src/input/ProxyInputStream.cxx
View File

@ -42,7 +42,7 @@ ProxyInputStream::CopyAttributes()
size = input.KnownSize()
? input.GetSize()
: -1;
: UNKNOWN_SIZE;
seekable = input.IsSeekable();
SetReady();