diff options
Diffstat (limited to 'src/emu/fileio.c')
-rw-r--r-- | src/emu/fileio.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/emu/fileio.c b/src/emu/fileio.c index d5fbf122043..ab0b361f560 100644 --- a/src/emu/fileio.c +++ b/src/emu/fileio.c @@ -250,10 +250,14 @@ emu_file::operator core_file &() hash_collection &emu_file::hashes(const char *types) { + // determine the hashes we already have + astring already_have; + m_hashes.hash_types(already_have); + // determine which hashes we need astring needed; for (const char *scan = types; *scan != 0; scan++) - if (m_hashes.hash(*scan) == NULL) + if (already_have.chr(0, *scan) == -1) needed.cat(*scan); // if we need nothing, skip it |