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@ -29,7 +29,7 @@ |
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//! define if we may read up to 8 bytes beyond the input buffer
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#define INBUF_PADDED 1 |
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typedef struct LZOContext { |
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uint8_t *in, *in_end; |
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const uint8_t *in, *in_end; |
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uint8_t *out_start, *out, *out_end; |
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int error; |
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} LZOContext; |
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@ -84,7 +84,7 @@ static inline int get_len(LZOContext *c, int x, int mask) { |
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* \param cnt number of bytes to copy, must be >= 0 |
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*/ |
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static inline void copy(LZOContext *c, int cnt) { |
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register uint8_t *src = c->in; |
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register const uint8_t *src = c->in; |
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register uint8_t *dst = c->out; |
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if (cnt > c->in_end - src) { |
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cnt = FFMAX(c->in_end - src, 0); |
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@ -115,7 +115,7 @@ static inline void copy(LZOContext *c, int cnt) { |
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* thus creating a repeating pattern with a period length of back. |
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*/ |
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static inline void copy_backptr(LZOContext *c, int back, int cnt) { |
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register uint8_t *src = &c->out[-back]; |
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register const uint8_t *src = &c->out[-back]; |
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register uint8_t *dst = c->out; |
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if (src < c->out_start || src > dst) { |
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c->error |= LZO_INVALID_BACKPTR; |
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@ -171,12 +171,12 @@ static inline void copy_backptr(LZOContext *c, int back, int cnt) { |
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* make sure all buffers are appropriately padded, in must provide |
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* LZO_INPUT_PADDING, out must provide LZO_OUTPUT_PADDING additional bytes |
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*/ |
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int lzo1x_decode(void *out, int *outlen, void *in, int *inlen) { |
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int lzo1x_decode(void *out, int *outlen, const void *in, int *inlen) { |
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int state= 0; |
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int x; |
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LZOContext c; |
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c.in = in; |
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c.in_end = (uint8_t *)in + *inlen; |
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c.in_end = (const uint8_t *)in + *inlen; |
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c.out = c.out_start = out; |
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c.out_end = (uint8_t *)out + * outlen; |
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c.error = 0; |
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