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8 changes: 5 additions & 3 deletions src/helpers/RegionMap.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -93,13 +93,15 @@ bool RegionMap::load(FILESYSTEM* _fs, const char* path) {
while (num_regions < MAX_REGION_ENTRIES) {
auto r = &regions[num_regions];

success = file.read((uint8_t *) &r->id, sizeof(r->id)) == sizeof(r->id);
int n = file.read((uint8_t *) &r->id, sizeof(r->id));
if (n == 0) break; // clean EOF
success = (n == sizeof(r->id));
success = success && file.read((uint8_t *) &r->parent, sizeof(r->parent)) == sizeof(r->parent);
success = success && file.read((uint8_t *) r->name, sizeof(r->name)) == sizeof(r->name);
success = success && file.read((uint8_t *) &r->flags, sizeof(r->flags)) == sizeof(r->flags);
success = success && file.read(pad, sizeof(pad)) == sizeof(pad);

if (!success) break; // EOF
if (!success) break; // partial read or corruption

if (r->id >= next_id) { // make sure next_id is valid
next_id = r->id + 1;
Expand All @@ -108,7 +110,7 @@ bool RegionMap::load(FILESYSTEM* _fs, const char* path) {
}
}
file.close();
return true;
return success;
}
}
return false; // failed
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