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Make helper function deal with files that don't exist

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Ignoring when you can't open a file and happily hashing its contents seems
wrong.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-06-21 10:25:53 -07:00
parent b27538feba
commit 2005723989
1 changed files with 7 additions and 4 deletions
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11
qthelper.cpp
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@ -819,10 +819,13 @@ QByteArray hashFile(const QString filename)
{ {
QCryptographicHash hash(QCryptographicHash::Sha1); QCryptographicHash hash(QCryptographicHash::Sha1);
QFile imagefile(filename); QFile imagefile(filename);
imagefile.open(QIODevice::ReadOnly); if (imagefile.open(QIODevice::ReadOnly)) {
hash.addData(&imagefile); hash.addData(&imagefile);
add_hash(filename, hash.result()); add_hash(filename, hash.result());
return hash.result(); return hash.result();
} else {
return QByteArray();
}
} }
void learnHash(struct picture *picture, QByteArray hash) void learnHash(struct picture *picture, QByteArray hash)