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Have -listroms display a user-friendly message when no ROMs are required

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This commit is contained in:
AJR 2017-05-20 02:00:59 -04:00
parent f21e68092f
commit 30079d38b0
1 changed files with 11 additions and 4 deletions
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15
src/frontend/mame/clifront.cpp
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@ -528,18 +528,23 @@ void cli_frontend::listroms(const std::vector<std::string> &args)
if (!first)
osd_printf_info("\n");
first = false;
osd_printf_info(
"ROMs required for %s \"%s\".\n"
"%-32s %10s %s\n",
type, root.shortname(), "Name", "Size", "Checksum");
// iterate through roms
bool hasroms = false;
for (device_t &device : device_iterator(root))
{
for (const rom_entry *region = rom_first_region(device); region; region = rom_next_region(region))
{
for (const rom_entry *rom = rom_first_file(region); rom; rom = rom_next_file(rom))
{
// print a header
if (!hasroms)
osd_printf_info(
"ROMs required for %s \"%s\".\n"
"%-32s %10s %s\n",
type, root.shortname(), "Name", "Size", "Checksum");
hasroms = true;
// accumulate the total length of all chunks
int64_t length = -1;
if (ROMREGION_ISROMDATA(region))
@ -571,6 +576,8 @@ void cli_frontend::listroms(const std::vector<std::string> &args)
}
}
}
if (!hasroms)
osd_printf_info("No ROMs required for %s \"%s\".\n", type, root.shortname());
};
// determine which drivers to output