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Add rle record support

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This commit is contained in:
Zak Kurka 2018-10-21 07:48:29 -05:00
parent d8284dfacc
commit 1c62bc06cf
1 changed files with 12 additions and 0 deletions
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12
src/core/file_sys/ncch_container.cpp
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@ -553,6 +553,18 @@ void NCCHContainer::ApplyIPS(std::vector<u8>& ips, std::vector<u8>& buffer) {
u32 offset = ips[cursor] << 16 | ips[cursor + 1] << 8 | ips[cursor + 2]; u32 offset = ips[cursor] << 16 | ips[cursor + 1] << 8 | ips[cursor + 2];
std::size_t length = ips[cursor + 3] << 8 | ips[cursor + 4]; std::size_t length = ips[cursor + 3] << 8 | ips[cursor + 4];
// check for an rle record
if (length == 0) {
length = ips[cursor + 5] << 8 | ips[cursor + 6];
for (u32 i = 0; i < length; ++i)
buffer[offset + i] = ips[cursor + 7];
cursor += 8;
continue;
}
std::memcpy(&buffer[offset], &ips[cursor + 5], length); std::memcpy(&buffer[offset], &ips[cursor + 5], length);
cursor += length + 5; cursor += length + 5;
} }