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author AJR <ajrhacker@users.noreply.github.com>2023-10-22 10:38:48 -0400
committer AJR <ajrhacker@users.noreply.github.com>2023-10-22 10:38:48 -0400
commite5c4907791f354da8ebe39100c7dbef7dc349708 (patch)
tree2df89e3ca1d5e611554a80e511c59ed3c2d4e927 /src/emu/softlist_dev.cpp
parent087233e15b48c664427c44792f9b97c07892f2eb (diff)
Disallow zero-length regions in ROM definitions and software lists
Diffstat (limited to 'src/emu/softlist_dev.cpp')
-rw-r--r--src/emu/softlist_dev.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/emu/softlist_dev.cpp b/src/emu/softlist_dev.cpp
index 595e0bb9a73..b65f5f28300 100644
--- a/src/emu/softlist_dev.cpp
+++ b/src/emu/softlist_dev.cpp
@@ -576,6 +576,8 @@ void software_list_device::internal_validity_check(validity_checker &valid)
current_length = ROMREGION_GETLENGTH(romp);
if (!data_area_map.emplace(romp->name(), current_length).second)
osd_printf_error("%s: %s part %s data area has duplicate name '%s'\n", m_filename, shortname, part.name(), romp->name());
+ if (current_length == 0)
+ osd_printf_error("%s: %s part %s data area '%s' has zero length\n", m_filename, shortname, part.name(), romp->name());
}
else if (ROMENTRY_ISFILE(romp)) // if this is a file, make sure it is properly formatted
{