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db/simple: make borrowed_song_count "mutable" 

Simpler to use than const_cast.
This commit is contained in:
Max Kellermann 2014-01-19 11:23:02 +01:00
parent bde27ccec3
commit ba372197fb
2 changed files with 3 additions and 3 deletions
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4
src/db/SimpleDatabasePlugin.cxx
View File

@ -206,7 +206,7 @@ SimpleDatabase::GetSong(const char *uri, Error &error) const
"No such song: %s", uri);
#ifndef NDEBUG
else
++const_cast<unsigned &>(borrowed_song_count);
++borrowed_song_count;
#endif
return song;
@ -219,7 +219,7 @@ SimpleDatabase::ReturnSong(gcc_unused Song *song) const
#ifndef NDEBUG
assert(borrowed_song_count > 0);
--const_cast<unsigned &>(borrowed_song_count);
--borrowed_song_count;
#endif
}

2
src/db/SimpleDatabasePlugin.hxx
View File

@ -37,7 +37,7 @@ class SimpleDatabase : public Database {
time_t mtime;
#ifndef NDEBUG
unsigned borrowed_song_count;
mutable unsigned borrowed_song_count;
#endif
SimpleDatabase()