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Commit 315efbeb authored by Tao Bao's avatar Tao Bao Committed by android-build-merger
Browse files

libsparse: Use 'size_t' for the 'len' parameter in callbacks. 

am: e18c0316

Change-Id: I8ac1fc964bf8245dcc274c57656eb12425693b77
parents d16019bd e18c0316

libsparse/include/sparse/sparse.h

+8 −2
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#define _LIBSPARSE_SPARSE_H_



#include <stdbool.h>

#include <stddef.h>

#include <stdint.h>



#ifdef	__cplusplus
@@ -26,6 +27,11 @@ extern "C" { 


struct sparse_file;



// The callbacks in sparse_file_callback() and sparse_file_foreach_chunk() take

// size_t as the length type (was `int` in past). This allows clients to keep

// their codes compatibile with both versions as needed.

#define	SPARSE_CALLBACK_USES_SIZE_T



/**

 * sparse_file_new - create a new sparse file cookie

 *
@@ -201,7 +207,7 @@ unsigned int sparse_file_block_size(struct sparse_file *s); 
 * Returns 0 on success, negative errno on error.

 */

int sparse_file_callback(struct sparse_file *s, bool sparse, bool crc,

		int (*write)(void *priv, const void *data, int len), void *priv);

		int (*write)(void *priv, const void *data, size_t len), void *priv);



/**

 * sparse_file_foreach_chunk - call a callback for data blocks in sparse file
@@ -218,7 +224,7 @@ int sparse_file_callback(struct sparse_file *s, bool sparse, bool crc, 
 * Returns 0 on success, negative errno on error.

 */

int sparse_file_foreach_chunk(struct sparse_file *s, bool sparse, bool crc,

	int (*write)(void *priv, const void *data, int len, unsigned int block,

	int (*write)(void *priv, const void *data, size_t len, unsigned int block,

		     unsigned int nr_blocks),

	void *priv);

/**

libsparse/output_file.c

+3 −2
Original line number Diff line number Diff line
@@ -109,7 +109,7 @@ struct output_file_normal { 
struct output_file_callback {

	struct output_file out;

	void *priv;

	int (*write)(void *priv, const void *buf, int len);

	int (*write)(void *priv, const void *buf, size_t len);

};



#define to_output_file_callback(_o) \
@@ -634,7 +634,8 @@ static struct output_file *output_file_new_normal(void) 
	return &outn->out;

}



struct output_file *output_file_open_callback(int (*write)(void *, const void *, int),

struct output_file *output_file_open_callback(

		int (*write)(void *, const void *, size_t),

		void *priv, unsigned int block_size, int64_t len,

		int gz __unused, int sparse, int chunks, int crc)

{

libsparse/output_file.h

+2 −1
Original line number Diff line number Diff line
@@ -27,7 +27,8 @@ struct output_file; 


struct output_file *output_file_open_fd(int fd, unsigned int block_size, int64_t len,

		int gz, int sparse, int chunks, int crc);

struct output_file *output_file_open_callback(int (*write)(void *, const void *, int),

struct output_file *output_file_open_callback(

		int (*write)(void *, const void *, size_t),

		void *priv, unsigned int block_size, int64_t len, int gz, int sparse,

		int chunks, int crc);

int write_data_chunk(struct output_file *out, unsigned int len, void *data);

libsparse/sparse.c

+6 −6
Original line number Diff line number Diff line
@@ -179,7 +179,7 @@ int sparse_file_write(struct sparse_file *s, int fd, bool gz, bool sparse, 
}



int sparse_file_callback(struct sparse_file *s, bool sparse, bool crc,

		int (*write)(void *priv, const void *data, int len), void *priv)

		int (*write)(void *priv, const void *data, size_t len), void *priv)

{

	int ret;

	int chunks;
@@ -203,11 +203,11 @@ struct chunk_data { 
	void		*priv;

	unsigned int	block;

	unsigned int	nr_blocks;

	int (*write)(void *priv, const void *data, int len, unsigned int block,

		     unsigned int nr_blocks);

	int (*write)(void *priv, const void *data, size_t len,

		     unsigned int block, unsigned int nr_blocks);

};



static int foreach_chunk_write(void *priv, const void *data, int len)

static int foreach_chunk_write(void *priv, const void *data, size_t len)

{

	struct chunk_data *chk = priv;
@@ -215,7 +215,7 @@ static int foreach_chunk_write(void *priv, const void *data, int len) 
}



int sparse_file_foreach_chunk(struct sparse_file *s, bool sparse, bool crc,

	int (*write)(void *priv, const void *data, int len, unsigned int block,

	int (*write)(void *priv, const void *data, size_t len, unsigned int block,

		     unsigned int nr_blocks),

	void *priv)

{
@@ -250,7 +250,7 @@ int sparse_file_foreach_chunk(struct sparse_file *s, bool sparse, bool crc, 
	return ret;

}



static int out_counter_write(void *priv, const void *data __unused, int len)

static int out_counter_write(void *priv, const void *data __unused, size_t len)

{

	int64_t *count = priv;

	*count += len;