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Merge changes from topic "libsparse-callback"

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* changes:
  fastboot: Track the libsparse API change.
  libsparse: Use 'size_t' for the 'len' parameter in callbacks.
This commit is contained in:
Tao Bao 2018-04-30 21:48:46 +00:00 committed by Gerrit Code Review
commit 49b7f296b9
5 changed files with 30 additions and 26 deletions
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26
fastboot/protocol.cpp
View file

@ -278,19 +278,14 @@ int64_t fb_upload_data(Transport* transport, const char* outfile) {
return _command_end(transport);
}
#define TRANSPORT_BUF_SIZE 1024
static constexpr size_t TRANSPORT_BUF_SIZE = 1024;
static char transport_buf[TRANSPORT_BUF_SIZE];
static int transport_buf_len;
static int fb_download_data_sparse_write(void *priv, const void *data, int len)
{
int r;
Transport* transport = reinterpret_cast<Transport*>(priv);
int to_write;
const char* ptr = reinterpret_cast<const char*>(data);
static size_t transport_buf_len;
static int fb_download_data_sparse_write(void* priv, const void* data, size_t len) {
const char* ptr = static_cast<const char*>(data);
if (transport_buf_len) {
to_write = std::min(TRANSPORT_BUF_SIZE - transport_buf_len, len);
size_t to_write = std::min(TRANSPORT_BUF_SIZE - transport_buf_len, len);
memcpy(transport_buf + transport_buf_len, ptr, to_write);
transport_buf_len += to_write;
@ -298,9 +293,10 @@ static int fb_download_data_sparse_write(void *priv, const void *data, int len)
len -= to_write;
}
Transport* transport = static_cast<Transport*>(priv);
if (transport_buf_len == TRANSPORT_BUF_SIZE) {
r = _command_write_data(transport, transport_buf, TRANSPORT_BUF_SIZE);
if (r != TRANSPORT_BUF_SIZE) {
int64_t r = _command_write_data(transport, transport_buf, TRANSPORT_BUF_SIZE);
if (r != static_cast<int64_t>(TRANSPORT_BUF_SIZE)) {
return -1;
}
transport_buf_len = 0;
@ -311,9 +307,9 @@ static int fb_download_data_sparse_write(void *priv, const void *data, int len)
g_error = "internal error: transport_buf not empty";
return -1;
}
to_write = round_down(len, TRANSPORT_BUF_SIZE);
r = _command_write_data(transport, ptr, to_write);
if (r != to_write) {
size_t to_write = round_down(len, TRANSPORT_BUF_SIZE);
int64_t r = _command_write_data(transport, ptr, to_write);
if (r != static_cast<int64_t>(to_write)) {
return -1;
}
ptr += to_write;

10
libsparse/include/sparse/sparse.h
View file

@ -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);
/**

5
libsparse/output_file.c
View file

@ -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)
{

3
libsparse/output_file.h
View file

@ -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);

12
libsparse/sparse.c
View file

@ -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;