swtor/ssn-installer
0
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

🐛 Don't read additional 12 bytes after each file

Browse source
This commit is contained in:
C-3PO 2018-09-14 05:40:03 +02:00
parent f64412ebfe
commit 2299d8ed6e
Signed by: c3po
GPG key ID: 62993C4BB4D86F24
1 changed files with 5 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/main.c
View file

@ -70,10 +70,13 @@ int main(int argc, char *argv[]) {
getBytes(NULL, additionalLength, false);
}
unsigned long remainingBytes = state.fileSize;
//If file is encrypted, skip 12-byte encryption header
if (state.isEncrypted) {
getBytes(compressedChunk, ENCRYPTION_HEADER_LENGTH, false);
decrypt(compressedChunk, ENCRYPTION_HEADER_LENGTH);
remainingBytes -= 12;
}
//Initialize xdelta3
@ -87,14 +90,13 @@ int main(int argc, char *argv[]) {
inflateInit(compressedChunk, uncompressedChunk, BUFFER_SIZE);
//Read actual file
unsigned long remainingBytes = state.fileSize;
bool needToRead = true;
bool hasReachedEnd = false;
unsigned long chunkSize;
unsigned long uncompressedPosition = 0UL;
while (remainingBytes > 0 || !hasReachedEnd) {
if (needToRead) {
chunkSize = min(BUFFER_SIZE - uncompressedPosition, remainingBytes);
if (needToRead && remainingBytes > 0) {
chunkSize = min(BUFFER_SIZE, remainingBytes);
getBytes(compressedChunk, chunkSize, chunkSize == remainingBytes);
remainingBytes -= chunkSize;