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espressif_idf-extra-components
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This commit is contained in:
Tomas Rezucha 2022-02-17 14:56:45 +01:00
parent 5362db237b
commit e651ec16c5
8 changed files with 1555 additions and 1537 deletions
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3
esp_encrypted_img/include/esp_encrypted_img.h
View File

@ -9,6 +9,7 @@
#if 0 //High level layout for state machine
// *INDENT-OFF*
@startuml
[*] --> READ_MAGIC
READ_MAGIC --> READ_MAGIC : READ LEN < 4
@ -34,7 +35,7 @@ PROCESS_BINARY --> ESP_OK : READ LEN = BIN_SIZE
ESP_OK --> [*]
ESP_FAIL --> [*]
@enduml
// *INDENT-OFF*
#endif
#ifdef __cplusplus

3
esp_encrypted_img/src/esp_encrypted_img.c
View File

@ -378,8 +378,7 @@ esp_err_t esp_encrypted_img_decrypt_data(esp_decrypt_handle_t *ctx, pre_enc_decr
return ESP_ERR_NOT_FINISHED;
}
/* falls through */
case ESP_PRE_ENC_IMG_READ_EXTRA_HEADER:
{
case ESP_PRE_ENC_IMG_READ_EXTRA_HEADER: {
int temp = curr_index;
curr_index += MIN(args->data_in_len - curr_index, RESERVED_HEADER - handle->binary_file_read);
handle->binary_file_read += MIN(args->data_in_len - temp, RESERVED_HEADER - handle->binary_file_read);

12
expat/test/test_expat.c
View File

@ -36,8 +36,8 @@ static void XMLCALL start_element(void *userData, const XML_Char *name, const XM
insert_space(user_data);
const int ret = snprintf(user_data->output + user_data->output_off,
sizeof(user_data->output) - user_data->output_off,
"<%s>", name);
sizeof(user_data->output) - user_data->output_off,
"<%s>", name);
TEST_ASSERT_EQUAL(strlen(name) + 2, ret); // 2 are the tag characters: "<>"
user_data->output_off += ret;
++user_data->depth;
@ -51,7 +51,7 @@ static void XMLCALL end_element(void *userData, const XML_Char *name)
insert_space(user_data);
int ret = snprintf(user_data->output + user_data->output_off, sizeof(user_data->output) - user_data->output_off,
"</%s>", name);
"</%s>", name);
TEST_ASSERT_EQUAL(strlen(name) + 3, ret); // 3 are the tag characters: "</>"
user_data->output_off += ret;
}
@ -63,11 +63,11 @@ static void data_handler(void *userData, const XML_Char *s, int len)
insert_space(user_data);
// s is not zero-terminated
char tmp_str[len+1];
strlcpy(tmp_str, s, len+1);
char tmp_str[len + 1];
strlcpy(tmp_str, s, len + 1);
int ret = snprintf(user_data->output + user_data->output_off, sizeof(user_data->output) - user_data->output_off,
"%s", tmp_str);
"%s", tmp_str);
TEST_ASSERT_EQUAL(strlen(tmp_str), ret);
user_data->output_off += ret;
}

54
jsmn/include/jsmn.h
View File

@ -39,41 +39,41 @@ extern "C" {
/**
* JSON type identifier. Basic types are:
* o Object
* o Array
* o String
* o Other primitive: number, boolean (true/false) or null
* o Object
* o Array
* o String
* o Other primitive: number, boolean (true/false) or null
*/
typedef enum {
JSMN_UNDEFINED = 0,
JSMN_OBJECT = 1,
JSMN_ARRAY = 2,
JSMN_STRING = 3,
JSMN_PRIMITIVE = 4
JSMN_UNDEFINED = 0,
JSMN_OBJECT = 1,
JSMN_ARRAY = 2,
JSMN_STRING = 3,
JSMN_PRIMITIVE = 4
} jsmntype_t;
enum jsmnerr {
/* Not enough tokens were provided */
JSMN_ERROR_NOMEM = -1,
/* Invalid character inside JSON string */
JSMN_ERROR_INVAL = -2,
/* The string is not a full JSON packet, more bytes expected */
JSMN_ERROR_PART = -3
/* Not enough tokens were provided */
JSMN_ERROR_NOMEM = -1,
/* Invalid character inside JSON string */
JSMN_ERROR_INVAL = -2,
/* The string is not a full JSON packet, more bytes expected */
JSMN_ERROR_PART = -3
};
/**
* JSON token description.
* @param type type (object, array, string etc.)
* @param start start position in JSON data string
* @param end end position in JSON data string
* @param type type (object, array, string etc.)
* @param start start position in JSON data string
* @param end end position in JSON data string
*/
typedef struct {
jsmntype_t type;
int start;
int end;
int size;
jsmntype_t type;
int start;
int end;
int size;
#ifdef JSMN_PARENT_LINKS
int parent;
int parent;
#endif
} jsmntok_t;
@ -82,9 +82,9 @@ typedef struct {
* the string being parsed now and current position in that string
*/
typedef struct {
unsigned int pos; /* offset in the JSON string */
unsigned int toknext; /* next token to allocate */
int toksuper; /* superior token node, e.g parent object or array */
unsigned int pos; /* offset in the JSON string */
unsigned int toknext; /* next token to allocate */
int toksuper; /* superior token node, e.g parent object or array */
} jsmn_parser;
/**
@ -97,7 +97,7 @@ void jsmn_init(jsmn_parser *parser);
* a single JSON object.
*/
int jsmn_parse(jsmn_parser *parser, const char *js, size_t len,
jsmntok_t *tokens, unsigned int num_tokens);
jsmntok_t *tokens, unsigned int num_tokens);
#ifdef __cplusplus
}

488
jsmn/src/jsmn.c
View File

@ -34,307 +34,323 @@
* Allocates a fresh unused token from the token pull.
*/
static jsmntok_t *jsmn_alloc_token(jsmn_parser *parser,
jsmntok_t *tokens, size_t num_tokens) {
jsmntok_t *tok;
if (parser->toknext >= num_tokens) {
return NULL;
}
tok = &tokens[parser->toknext++];
tok->start = tok->end = -1;
tok->size = 0;
jsmntok_t *tokens, size_t num_tokens)
{
jsmntok_t *tok;
if (parser->toknext >= num_tokens) {
return NULL;
}
tok = &tokens[parser->toknext++];
tok->start = tok->end = -1;
tok->size = 0;
#ifdef JSMN_PARENT_LINKS
tok->parent = -1;
tok->parent = -1;
#endif
return tok;
return tok;
}
/**
* Fills token type and boundaries.
*/
static void jsmn_fill_token(jsmntok_t *token, jsmntype_t type,
int start, int end) {
token->type = type;
token->start = start;
token->end = end;
token->size = 0;
int start, int end)
{
token->type = type;
token->start = start;
token->end = end;
token->size = 0;
}
/**
* Fills next available token with JSON primitive.
*/
static int jsmn_parse_primitive(jsmn_parser *parser, const char *js,
size_t len, jsmntok_t *tokens, size_t num_tokens) {
jsmntok_t *token;
int start;
size_t len, jsmntok_t *tokens, size_t num_tokens)
{
jsmntok_t *token;
int start;
start = parser->pos;
start = parser->pos;
for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
switch (js[parser->pos]) {
for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
switch (js[parser->pos]) {
#ifndef JSMN_STRICT
/* In strict mode primitive must be followed by "," or "}" or "]" */
case ':':
/* In strict mode primitive must be followed by "," or "}" or "]" */
case ':':
#endif
case '\t' : case '\r' : case '\n' : case ' ' :
case ',' : case ']' : case '}' :
goto found;
}
if (js[parser->pos] < 32 || js[parser->pos] >= 127) {
parser->pos = start;
return JSMN_ERROR_INVAL;
}
}
case '\t' : case '\r' : case '\n' : case ' ' :
case ',' : case ']' : case '}' :
goto found;
}
if (js[parser->pos] < 32 || js[parser->pos] >= 127) {
parser->pos = start;
return JSMN_ERROR_INVAL;
}
}
#ifdef JSMN_STRICT
/* In strict mode primitive must be followed by a comma/object/array */
parser->pos = start;
return JSMN_ERROR_PART;
/* In strict mode primitive must be followed by a comma/object/array */
parser->pos = start;
return JSMN_ERROR_PART;
#endif
found:
if (tokens == NULL) {
parser->pos--;
return 0;
}
token = jsmn_alloc_token(parser, tokens, num_tokens);
if (token == NULL) {
parser->pos = start;
return JSMN_ERROR_NOMEM;
}
jsmn_fill_token(token, JSMN_PRIMITIVE, start, parser->pos);
if (tokens == NULL) {
parser->pos--;
return 0;
}
token = jsmn_alloc_token(parser, tokens, num_tokens);
if (token == NULL) {
parser->pos = start;
return JSMN_ERROR_NOMEM;
}
jsmn_fill_token(token, JSMN_PRIMITIVE, start, parser->pos);
#ifdef JSMN_PARENT_LINKS
token->parent = parser->toksuper;
token->parent = parser->toksuper;
#endif
parser->pos--;
return 0;
parser->pos--;
return 0;
}
/**
* Fills next token with JSON string.
*/
static int jsmn_parse_string(jsmn_parser *parser, const char *js,
size_t len, jsmntok_t *tokens, size_t num_tokens) {
jsmntok_t *token;
size_t len, jsmntok_t *tokens, size_t num_tokens)
{
jsmntok_t *token;
int start = parser->pos;
int start = parser->pos;
parser->pos++;
parser->pos++;
/* Skip starting quote */
for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
char c = js[parser->pos];
/* Skip starting quote */
for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
char c = js[parser->pos];
/* Quote: end of string */
if (c == '\"') {
if (tokens == NULL) {
return 0;
}
token = jsmn_alloc_token(parser, tokens, num_tokens);
if (token == NULL) {
parser->pos = start;
return JSMN_ERROR_NOMEM;
}
jsmn_fill_token(token, JSMN_STRING, start+1, parser->pos);
/* Quote: end of string */
if (c == '\"') {
if (tokens == NULL) {
return 0;
}
token = jsmn_alloc_token(parser, tokens, num_tokens);
if (token == NULL) {
parser->pos = start;
return JSMN_ERROR_NOMEM;
}
jsmn_fill_token(token, JSMN_STRING, start + 1, parser->pos);
#ifdef JSMN_PARENT_LINKS
token->parent = parser->toksuper;
token->parent = parser->toksuper;
#endif
return 0;
}
return 0;
}
/* Backslash: Quoted symbol expected */
if (c == '\\' && parser->pos + 1 < len) {
int i;
parser->pos++;
switch (js[parser->pos]) {
/* Allowed escaped symbols */
case '\"': case '/' : case '\\' : case 'b' :
case 'f' : case 'r' : case 'n' : case 't' :
break;
/* Allows escaped symbol \uXXXX */
case 'u':
parser->pos++;
for(i = 0; i < 4 && parser->pos < len && js[parser->pos] != '\0'; i++) {
/* If it isn't a hex character we have an error */
if(!((js[parser->pos] >= 48 && js[parser->pos] <= 57) || /* 0-9 */
(js[parser->pos] >= 65 && js[parser->pos] <= 70) || /* A-F */
(js[parser->pos] >= 97 && js[parser->pos] <= 102))) { /* a-f */
parser->pos = start;
return JSMN_ERROR_INVAL;
}
parser->pos++;
}
parser->pos--;
break;
/* Unexpected symbol */
default:
parser->pos = start;
return JSMN_ERROR_INVAL;
}
}
}
parser->pos = start;
return JSMN_ERROR_PART;
/* Backslash: Quoted symbol expected */
if (c == '\\' && parser->pos + 1 < len) {
int i;
parser->pos++;
switch (js[parser->pos]) {
/* Allowed escaped symbols */
case '\"': case '/' : case '\\' : case 'b' :
case 'f' : case 'r' : case 'n' : case 't' :
break;
/* Allows escaped symbol \uXXXX */
case 'u':
parser->pos++;
for (i = 0; i < 4 && parser->pos < len && js[parser->pos] != '\0'; i++) {
/* If it isn't a hex character we have an error */
if (!((js[parser->pos] >= 48 && js[parser->pos] <= 57) || /* 0-9 */
(js[parser->pos] >= 65 && js[parser->pos] <= 70) || /* A-F */
(js[parser->pos] >= 97 && js[parser->pos] <= 102))) { /* a-f */
parser->pos = start;
return JSMN_ERROR_INVAL;
}
parser->pos++;
}
parser->pos--;
break;
/* Unexpected symbol */
default:
parser->pos = start;
return JSMN_ERROR_INVAL;
}
}
}
parser->pos = start;
return JSMN_ERROR_PART;
}
/**
* Parse JSON string and fill tokens.
*/
int jsmn_parse(jsmn_parser *parser, const char *js, size_t len,
jsmntok_t *tokens, unsigned int num_tokens) {
int r;
int i;
jsmntok_t *token;
int count = parser->toknext;
jsmntok_t *tokens, unsigned int num_tokens)
{
int r;
int i;
jsmntok_t *token;
int count = parser->toknext;
for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
char c;
jsmntype_t type;
for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
char c;
jsmntype_t type;
c = js[parser->pos];
switch (c) {
case '{': case '[':
count++;
if (tokens == NULL) {
break;
}
token = jsmn_alloc_token(parser, tokens, num_tokens);
if (token == NULL)
return JSMN_ERROR_NOMEM;
if (parser->toksuper != -1) {
tokens[parser->toksuper].size++;
c = js[parser->pos];
switch (c) {
case '{': case '[':
count++;
if (tokens == NULL) {
break;
}
token = jsmn_alloc_token(parser, tokens, num_tokens);
if (token == NULL) {
return JSMN_ERROR_NOMEM;
}
if (parser->toksuper != -1) {
tokens[parser->toksuper].size++;
#ifdef JSMN_PARENT_LINKS
token->parent = parser->toksuper;
token->parent = parser->toksuper;
#endif
}
token->type = (c == '{' ? JSMN_OBJECT : JSMN_ARRAY);
token->start = parser->pos;
parser->toksuper = parser->toknext - 1;
break;
case '}': case ']':
if (tokens == NULL)
break;
type = (c == '}' ? JSMN_OBJECT : JSMN_ARRAY);
}
token->type = (c == '{' ? JSMN_OBJECT : JSMN_ARRAY);
token->start = parser->pos;
parser->toksuper = parser->toknext - 1;
break;
case '}': case ']':
if (tokens == NULL) {
break;
}
type = (c == '}' ? JSMN_OBJECT : JSMN_ARRAY);
#ifdef JSMN_PARENT_LINKS
if (parser->toknext < 1) {
return JSMN_ERROR_INVAL;
}
token = &tokens[parser->toknext - 1];
for (;;) {
if (token->start != -1 && token->end == -1) {
if (token->type != type) {
return JSMN_ERROR_INVAL;
}
token->end = parser->pos + 1;
parser->toksuper = token->parent;
break;
}
if (token->parent == -1) {
break;
}
token = &tokens[token->parent];
}
if (parser->toknext < 1) {
return JSMN_ERROR_INVAL;
}
token = &tokens[parser->toknext - 1];
for (;;) {
if (token->start != -1 && token->end == -1) {
if (token->type != type) {
return JSMN_ERROR_INVAL;
}
token->end = parser->pos + 1;
parser->toksuper = token->parent;
break;
}
if (token->parent == -1) {
break;
}
token = &tokens[token->parent];
}
#else
for (i = parser->toknext - 1; i >= 0; i--) {
token = &tokens[i];
if (token->start != -1 && token->end == -1) {
if (token->type != type) {
return JSMN_ERROR_INVAL;
}
parser->toksuper = -1;
token->end = parser->pos + 1;
break;
}
}
/* Error if unmatched closing bracket */
if (i == -1) return JSMN_ERROR_INVAL;
for (; i >= 0; i--) {
token = &tokens[i];
if (token->start != -1 && token->end == -1) {
parser->toksuper = i;
break;
}
}
for (i = parser->toknext - 1; i >= 0; i--) {
token = &tokens[i];
if (token->start != -1 && token->end == -1) {
if (token->type != type) {
return JSMN_ERROR_INVAL;
}
parser->toksuper = -1;
token->end = parser->pos + 1;
break;
}
}
/* Error if unmatched closing bracket */
if (i == -1) {
return JSMN_ERROR_INVAL;
}
for (; i >= 0; i--) {
token = &tokens[i];
if (token->start != -1 && token->end == -1) {
parser->toksuper = i;
break;
}
}
#endif
break;
case '\"':
r = jsmn_parse_string(parser, js, len, tokens, num_tokens);
if (r < 0) return r;
count++;
if (parser->toksuper != -1 && tokens != NULL)
tokens[parser->toksuper].size++;
break;
case '\t' : case '\r' : case '\n' : case ' ':
break;
case ':':
parser->toksuper = parser->toknext - 1;
break;
case ',':
if (tokens != NULL && parser->toksuper != -1 &&
tokens[parser->toksuper].type != JSMN_ARRAY &&
tokens[parser->toksuper].type != JSMN_OBJECT) {
break;
case '\"':
r = jsmn_parse_string(parser, js, len, tokens, num_tokens);
if (r < 0) {
return r;
}
count++;
if (parser->toksuper != -1 && tokens != NULL) {
tokens[parser->toksuper].size++;
}
break;
case '\t' : case '\r' : case '\n' : case ' ':
break;
case ':':
parser->toksuper = parser->toknext - 1;
break;
case ',':
if (tokens != NULL && parser->toksuper != -1 &&
tokens[parser->toksuper].type != JSMN_ARRAY &&
tokens[parser->toksuper].type != JSMN_OBJECT) {
#ifdef JSMN_PARENT_LINKS
parser->toksuper = tokens[parser->toksuper].parent;
parser->toksuper = tokens[parser->toksuper].parent;
#else
for (i = parser->toknext - 1; i >= 0; i--) {
if (tokens[i].type == JSMN_ARRAY || tokens[i].type == JSMN_OBJECT) {
if (tokens[i].start != -1 && tokens[i].end == -1) {
parser->toksuper = i;
break;
}
}
}
for (i = parser->toknext - 1; i >= 0; i--) {
if (tokens[i].type == JSMN_ARRAY || tokens[i].type == JSMN_OBJECT) {
if (tokens[i].start != -1 && tokens[i].end == -1) {
parser->toksuper = i;
break;
}
}
}
#endif
}
break;
}
break;
#ifdef JSMN_STRICT
/* In strict mode primitives are: numbers and booleans */
case '-': case '0': case '1' : case '2': case '3' : case '4':
case '5': case '6': case '7' : case '8': case '9':
case 't': case 'f': case 'n' :
/* And they must not be keys of the object */
if (tokens != NULL && parser->toksuper != -1) {
jsmntok_t *t = &tokens[parser->toksuper];
if (t->type == JSMN_OBJECT ||
(t->type == JSMN_STRING && t->size != 0)) {
return JSMN_ERROR_INVAL;
}
}
/* In strict mode primitives are: numbers and booleans */
case '-': case '0': case '1' : case '2': case '3' : case '4':
case '5': case '6': case '7' : case '8': case '9':
case 't': case 'f': case 'n' :
/* And they must not be keys of the object */
if (tokens != NULL && parser->toksuper != -1) {
jsmntok_t *t = &tokens[parser->toksuper];
if (t->type == JSMN_OBJECT ||
(t->type == JSMN_STRING && t->size != 0)) {
return JSMN_ERROR_INVAL;
}
}
#else
/* In non-strict mode every unquoted value is a primitive */
default:
/* In non-strict mode every unquoted value is a primitive */
default:
#endif
r = jsmn_parse_primitive(parser, js, len, tokens, num_tokens);
if (r < 0) return r;
count++;
if (parser->toksuper != -1 && tokens != NULL)
tokens[parser->toksuper].size++;
break;
r = jsmn_parse_primitive(parser, js, len, tokens, num_tokens);
if (r < 0) {
return r;
}
count++;
if (parser->toksuper != -1 && tokens != NULL) {
tokens[parser->toksuper].size++;
}
break;
#ifdef JSMN_STRICT
/* Unexpected char in strict mode */
default:
return JSMN_ERROR_INVAL;
/* Unexpected char in strict mode */
default:
return JSMN_ERROR_INVAL;
#endif
}
}
}
}
if (tokens != NULL) {
for (i = parser->toknext - 1; i >= 0; i--) {
/* Unmatched opened object or array */
if (tokens[i].start != -1 && tokens[i].end == -1) {
return JSMN_ERROR_PART;
}
}
}
if (tokens != NULL) {
for (i = parser->toknext - 1; i >= 0; i--) {
/* Unmatched opened object or array */
if (tokens[i].start != -1 && tokens[i].end == -1) {
return JSMN_ERROR_PART;
}
}
}
return count;
return count;
}
/**
* Creates a new parser based over a given buffer with an array of tokens
* available.
*/
void jsmn_init(jsmn_parser *parser) {
parser->pos = 0;
parser->toknext = 0;
parser->toksuper = -1;
void jsmn_init(jsmn_parser *parser)
{
parser->pos = 0;
parser->toknext = 0;
parser->toksuper = -1;
}

10
libsodium/test/test_sodium.c
View File

@ -71,7 +71,8 @@ TEST_CASE("sha256 sanity check", "[libsodium]")
const uint8_t expected[] = { 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41,
0x41, 0x40, 0xde, 0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03,
0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c, 0xb4, 0x10, 0xff,
0x61, 0xf2, 0x00, 0x15, 0xad, };
0x61, 0xf2, 0x00, 0x15, 0xad,
};
uint8_t calculated[32];
crypto_hash_sha256_state state;
@ -87,7 +88,7 @@ TEST_CASE("sha256 sanity check", "[libsodium]")
// Multi-line version
crypto_hash_sha256_init(&state);
crypto_hash_sha256_update(&state, in, inlen - 1); // split into two updates
crypto_hash_sha256_update(&state, in + (inlen -1), 1);
crypto_hash_sha256_update(&state, in + (inlen - 1), 1);
crypto_hash_sha256_final(&state, calculated);
TEST_ASSERT_EQUAL_MEMORY(expected, calculated, crypto_hash_sha256_bytes());
}
@ -101,7 +102,8 @@ TEST_CASE("sha512 sanity check", "[libsodium]")
0x27, 0x4f, 0xc1, 0xa8, 0x36, 0xba, 0x3c, 0x23, 0xa3,
0xfe, 0xeb, 0xbd, 0x45, 0x4d, 0x44, 0x23, 0x64, 0x3c,
0xe8, 0x0e, 0x2a, 0x9a, 0xc9, 0x4f, 0xa5, 0x4c, 0xa4,
0x9f };
0x9f
};
uint8_t calculated[64];
crypto_hash_sha512_state state;
@ -118,7 +120,7 @@ TEST_CASE("sha512 sanity check", "[libsodium]")
// Multi-line version
crypto_hash_sha512_init(&state);
crypto_hash_sha512_update(&state, in, inlen - 1); // split into two updates
crypto_hash_sha512_update(&state, in + (inlen -1), 1);
crypto_hash_sha512_update(&state, in + (inlen - 1), 1);
crypto_hash_sha512_final(&state, calculated);
TEST_ASSERT_EQUAL_MEMORY(expected, calculated, crypto_hash_sha512_bytes());
}

2
nghttp/port/private_include/config.h
View File

@ -10,7 +10,7 @@
#include "string.h"
#if (!defined(nghttp_unlikely))
#define nghttp_unlikely(Expression) !!(Expression)
#define nghttp_unlikely(Expression) !!(Expression)
#endif
#define nghttp_ASSERT(Expression) do{if (!(Expression)) printf("%d\n", __LINE__);}while(0)

4
sh2lib/sh2lib.c
View File

@ -182,8 +182,8 @@ static int callback_on_data_chunk_recv(nghttp2_session *session, uint8_t flags,
data_recv_cb = nghttp2_session_get_stream_user_data(session, stream_id);
if (data_recv_cb) {
ESP_LOGD(TAG, "[data-chunk] C <---------------------------- S (DATA chunk)"
"%lu bytes",
(unsigned long int)len);
"%lu bytes",
(unsigned long int)len);
struct sh2lib_handle *h2 = user_data;
(*data_recv_cb)(h2, (char *)data, len, 0);
/* TODO: What to do with the return value: look for pause/abort */