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-rw-r--r--src/emu/input.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/emu/input.cpp b/src/emu/input.cpp
index 0cc37abc1c9..f767254fb7b 100644
--- a/src/emu/input.cpp
+++ b/src/emu/input.cpp
@@ -832,6 +832,8 @@ std::string input_manager::code_to_token(input_code code) const
{
// determine the devclass part
const char *devclass = (*devclass_token_table)[code.device_class()];
+ if (devclass == nullptr)
+ return "INVALID";
// determine the devindex part; keyboard 0 doesn't show an index
std::string devindex = string_format("%d", code.device_index() + 1);
@@ -858,7 +860,7 @@ std::string input_manager::code_to_token(input_code code) const
str.append("_").append(devcode);
if (modifier != nullptr)
str.append("_").append(modifier);
- if (itemclass[0] != 0)
+ if (itemclass != nullptr && itemclass[0] != 0)
str.append("_").append(itemclass);
return str;
}