From 1c5d2e9466c6b5592b311d9f7a22d693e6a2f0c4 Mon Sep 17 00:00:00 2001 From: Olivier Galibert Date: Sat, 10 Jun 2017 11:49:12 +0200 Subject: Fix vas' problem, region_length() is expected to return 0 if the region doesn't exist, not crash (nw) --- src/emu/validity.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/emu/validity.h b/src/emu/validity.h index de599199b73..8460ee4a7c0 100644 --- a/src/emu/validity.h +++ b/src/emu/validity.h @@ -44,7 +44,7 @@ public: // helpers for devices void validate_tag(const char *tag); - int region_length(const char *tag) { return m_region_map.find(tag)->second; } + int region_length(const char *tag) { auto i = m_region_map.find(tag); return i == m_region_map.end() ? 0 : i->second; } // generic registry of already-checked stuff bool already_checked(const char *string) { return !m_already_checked.insert(string).second; } -- cgit v1.2.3-70-g09d2