Unverified Commit 83e208ef authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

inflate: make inputs const 

Make the inputs const since we never write to the data it points to.

Patch provided by Andrew Jeddeloh
parent 553fedfe

include/lib/inflate.h

+2 −2
Original line number Diff line number Diff line
@@ -18,7 +18,7 @@ 
#define DEFLATE_ERR_NLEN (-8)

#define DEFLATE_ERR_HUFFMAN (-9)



int16_t inflate(unsigned char *input_buf, uint16_t input_len,

int16_t inflate(unsigned char const *input_buf, uint16_t input_len,

		unsigned char *output_buf, uint16_t output_len);

int16_t inflate_zlib(unsigned char *input_buf, uint16_t input_len,

int16_t inflate_zlib(unsigned char const *input_buf, uint16_t input_len,

		     unsigned char *output_buf, uint16_t output_len);

src/lib/inflate.cc

+4 −4
Original line number Diff line number Diff line
@@ -11,8 +11,8 @@ 
/*

 * The compressed (inflated) input data.

 */

unsigned char *deflate_input_now;

unsigned char *deflate_input_end;

unsigned char const *deflate_input_now;

unsigned char const *deflate_input_end;



/*

 * The decompressed (deflated) output stream.
@@ -465,7 +465,7 @@ static int8_t deflate_dynamic_huffman() 
#endif

}



int16_t inflate(unsigned char *input_buf, uint16_t input_len,

int16_t inflate(unsigned char const *input_buf, uint16_t input_len,

		unsigned char *output_buf, uint16_t output_len)

{

	deflate_input_now = input_buf;
@@ -506,7 +506,7 @@ int16_t inflate(unsigned char *input_buf, uint16_t input_len, 
	}

}



int16_t inflate_zlib(unsigned char *input_buf, uint16_t input_len,

int16_t inflate_zlib(unsigned char const *input_buf, uint16_t input_len,

		     unsigned char *output_buf, uint16_t output_len)

{

	if (input_len < 4) {