static u64 pull_u64(struct file *f, off_t *poff)
{
le64 ret;
pull_bytes(f, poff, &ret, sizeof(ret));
return le64_to_cpu(ret);
}
static u32 pull_u32(struct file *f, off_t *poff)
{
le32 ret;
pull_bytes(f, poff, &ret, sizeof(ret));
return le32_to_cpu(ret);
}
static void read_output(struct space *space, struct file *f, off_t *poff,
struct bitcoin_transaction_output *output)
{
output->amount = pull_u64(f, poff);
output->script_length = pull_varint(f, poff);
output->script = space_alloc(space, output->script_length);
pull_bytes(f, poff, output->script, output->script_length);
}
static void read_input(struct space *space, struct file *f, off_t *poff,
struct bitcoin_transaction_input *input)
{
pull_hash(f, poff, input->hash);
input->index = pull_u32(f, poff);
input->script_length = pull_varint(f, poff);
input->script = space_alloc(space, input->script_length);
pull_bytes(f, poff, input->script, input->script_length);
input->sequence_number = pull_u32(f, poff);
}
bool pull_s16(const char **p, size_t *max_len, int16_t *val)
{
leint16_t v;
if (pull_bytes(p, max_len, &v, sizeof(v))) {
if (val)
*val = le16_to_cpu(v);
return true;
}
return false;
}
static bool pull_foo(const char **p, size_t *len, struct foo *foo)
{
int ret;
ret = pull_u64(p, len, &foo->vu64) +
pull_u32(p, len, &foo->vu32) +
pull_u16(p, len, &foo->vu16) +
pull_u8(p, len, &foo->vu8) +
pull_uchar(p, len, &foo->vuchar) +
pull_s64(p, len, &foo->vs64) +
pull_s32(p, len, &foo->vs32) +
pull_s16(p, len, &foo->vs16) +
pull_s8(p, len, &foo->vs8) +
pull_char(p, len, &foo->vchar) +
pull_bytes(p, len, foo->bytes, sizeof(foo->bytes));
if (ret != 11)
ok1(len == 0 && *p == NULL);
return ret == 11;
}
int main(void)
{
char *buffer;
const char *p;
size_t len, left;
struct foo *foo, *foo2;
/* This is how many tests you plan to run */
plan_tests(17);
/* Valgrind will make sure we don't read padding! */
foo = malloc(sizeof(*foo));
foo->vu64 = 0x01020304050607ULL;
foo->vu32 = 0x08090a0b;
foo->vu16 = 0x0c0d;
foo->vu8 = 0x0e;
foo->vuchar = 0x0f;
foo->vs64 = -0x1011121314151617LL;
foo->vs32 = -0x18191a1b;
foo->vs16 = -0x1c1d;
foo->vs8 = -0x1e;
foo->vchar = -0x1f;
memset(foo->bytes, 0x20, sizeof(foo->bytes));
strcpy(foo->bytes, "This is a test");
buffer = malloc(1);
len = 0;
ok1(push_foo(&buffer, &len, foo));
ok1(len <= sizeof(*foo));
/* Triggers valgrind's uninitialized value warning */
ok1(!memchr(buffer, 0x21, len));
p = buffer;
left = len;
foo2 = malloc(sizeof(*foo2));
ok1(pull_foo(&p, &left, foo2));
ok1(left == 0);
ok1(p == buffer + len);
ok1(foo_equal(foo, foo2));
/* Too-small for pull, it should fail and set ptr/len to 0 */
p = buffer;
left = 0;
ok1(!pull_u64(&p, &left, &foo2->vu64));
ok1(p == NULL && left == 0);
/* Shouldn't change field! */
ok1(foo_equal(foo, foo2));
left = 7;
ok1(!pull_u64(&p, &left, &foo2->vu64));
ok1(p == NULL && left == 0);
/* Shouldn't change field! */
ok1(foo_equal(foo, foo2));
/* Discard should work. */
left = len;
ok1(pull_bytes(&p, &left, NULL, sizeof(foo->bytes)));
ok1(left == len - sizeof(foo->bytes));
/* Push failures should be clean. */
push_set_realloc(fail_reallocfn);
p = buffer;
left = len;
ok1(!push_u64(&buffer, &left, foo->vu64));
ok1(p == buffer && left == len);
free(buffer);
free(foo);
free(foo2);
/* This exits depending on whether all tests passed */
return exit_status();
}
static void pull_hash(struct file *f, off_t *poff, u8 dst[32])
{
pull_bytes(f, poff, dst, 32);
}
bool pull_s8(const char **p, size_t *max_len, int8_t *val)
{
return pull_bytes(p, max_len, val, sizeof(*val));
}
bool pull_char(const char **p, size_t *max_len, char *val)
{
return pull_bytes(p, max_len, val, sizeof(*val));
}