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gzip: Some const correctness maybe helps

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This commit is contained in:
K. Lange 2022-01-12 18:52:52 +09:00
parent 511b0787bf
commit 442d61ae5e
1 changed files with 3 additions and 3 deletions
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6
kernel/misc/gzip.c
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@ -98,7 +98,7 @@ static uint32_t read_bits(unsigned int count) {
/**
* Build a Huffman table from an array of lengths.
*/
static void build_huffman(uint8_t * lengths, size_t size, struct huff * out) {
static void build_huffman(const uint8_t * lengths, size_t size, struct huff * out) {
uint16_t offsets[16];
unsigned int count = 0;
@ -161,7 +161,7 @@ static void build_fixed(void) {
/**
* Decode a symbol from the source using a Huffman table.
*/
static int decode(struct huff * huff) {
static int decode(const struct huff * huff) {
int count = 0, cur = 0;
for (int i = 1; cur >= 0; i++) {
cur = (cur << 1) | read_bit(); /* Shift */
@ -201,7 +201,7 @@ static void peek(unsigned int offset) {
/**
* Decompress a block of Huffman-encoded data.
*/
static int inflate(struct huff * huff_len, struct huff * huff_dist) {
static int inflate(const struct huff * huff_len, const struct huff * huff_dist) {
/* These are the extra bits for lengths from the tables in section 3.2.5
* Extra Extra Extra