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Remove a useless branch.

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longLength <= LONG_MAX is always true if sizeof(long) == sizeof(long long).
This commit is contained in:
Tsuda Kageyu 2016-11-01 16:03:15 +09:00
parent e6a69e24bc
commit eb6d058ab9
1 changed files with 6 additions and 11 deletions
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17
taglib/mp4/mp4atom.cpp
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@ -56,20 +56,15 @@ MP4::Atom::Atom(File *file)
if(length == 1) {
const long long longLength = file->readBlock(8).toLongLong();
if(sizeof(long) == sizeof(long long)) {
if(longLength <= LONG_MAX) {
// The atom has a 64-bit length, but it's actually a 31-bit value or long is 64-bit.
length = static_cast<long>(longLength);
}
else {
if(longLength <= LONG_MAX) {
// The atom has a 64-bit length, but it's actually a 31-bit value
length = static_cast<long>(longLength);
}
else {
debug("MP4: 64-bit atoms are not supported");
length = 0;
file->seek(0, File::End);
return;
}
debug("MP4: 64-bit atoms are not supported");
length = 0;
file->seek(0, File::End);
return;
}
}
if(length < 8) {