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FileManager: treat empty file reference as a valid reference

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GitOrigin-RevId: ccc70eb4ef7cffe2640426a22cb5074ec6a4c062
This commit is contained in:
Arseny Smirnov 2019-01-21 18:04:49 +03:00
parent d9f51ffb77
commit faebe9faea
1 changed files with 6 additions and 3 deletions
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9
td/telegram/files/FileLocation.h
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@ -399,18 +399,21 @@ class FullRemoteFileLocation {
return 0;
}
}
static Slice invalid_file_reference() {
return "#";
}
bool delete_file_reference(Slice bad_file_reference) {
if (file_reference_.empty()) {
return false;
}
if (!bad_file_reference.empty() && file_reference_ != bad_file_reference) {
if (file_reference_ != bad_file_reference) {
return false;
}
file_reference_ = {};
file_reference_ = invalid_file_reference().str();
return true;
}
bool has_file_reference() const {
return !file_reference_.empty();
return file_reference_ != invalid_file_reference();
}
const string &get_file_reference() const {
return file_reference_;