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author Miodrag Milanović <mmicko@gmail.com>2016-01-11 09:18:43 +0100
committer Miodrag Milanović <mmicko@gmail.com>2016-01-11 09:18:43 +0100
commit36195292e370de0fb6b32085c105a236995ce36e (patch)
tree1fb147c3e21824272b60e4989f606bc9c206030c /src/emu/fileio.cpp
parent7c944fa3b02cd26dec3c27f1e6a4c0d33f462c4e (diff)
parent115db95642ad6d861aad63775b92350e0491f2dd (diff)
Merge pull request #561 from ajrhacker/strings
Return std::string objects by value rather than pass by reference [ajrhacker]
Diffstat (limited to 'src/emu/fileio.cpp')
-rw-r--r--src/emu/fileio.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/emu/fileio.cpp b/src/emu/fileio.cpp
index 8c982d03f19..0de5e021800 100644
--- a/src/emu/fileio.cpp
+++ b/src/emu/fileio.cpp
@@ -219,8 +219,7 @@ emu_file::operator core_file &()
hash_collection &emu_file::hashes(const char *types)
{
// determine the hashes we already have
- std::string already_have;
- m_hashes.hash_types(already_have);
+ std::string already_have = m_hashes.hash_types();
// determine which hashes we need
std::string needed;