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(MESS) corvushd: fix crash in Apple II Corvus diagnostics (nw)

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This commit is contained in:
R. Belmont 2014-03-22 04:38:47 +00:00
parent 5b7e720a1b
commit ff210e330b
1 changed files with 7 additions and 0 deletions
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7
src/emu/machine/corvushd.c
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@ -872,6 +872,13 @@ hard_disk_file *corvus_hdc_t::corvus_hdc_file(int id) {
static const char *const tags[] = { static const char *const tags[] = {
"harddisk1", "harddisk2", "harddisk3", "harddisk4" "harddisk1", "harddisk2", "harddisk3", "harddisk4"
}; };
// we only support 4 drives, as per the tags[] table, so prevent a crash
if (id > 3)
{
return NULL;
}
harddisk_image_device *img = siblingdevice<harddisk_image_device>(tags[id]); harddisk_image_device *img = siblingdevice<harddisk_image_device>(tags[id]);
if ( !img ) if ( !img )