}
-static ssize_t block_crypto_read_func(QCryptoBlock *block,
- size_t offset,
- uint8_t *buf,
- size_t buflen,
- void *opaque,
- Error **errp)
+static int block_crypto_read_func(QCryptoBlock *block,
+ size_t offset,
+ uint8_t *buf,
+ size_t buflen,
+ void *opaque,
+ Error **errp)
{
BlockDriverState *bs = opaque;
ssize_t ret;
error_setg_errno(errp, -ret, "Could not read encryption header");
return ret;
}
- return buflen;
+ return 0;
}
-static ssize_t block_crypto_write_func(QCryptoBlock *block,
- size_t offset,
- const uint8_t *buf,
- size_t buflen,
- void *opaque,
- Error **errp)
+static int block_crypto_write_func(QCryptoBlock *block,
+ size_t offset,
+ const uint8_t *buf,
+ size_t buflen,
+ void *opaque,
+ Error **errp)
{
BlockDriverState *bs = opaque;
ssize_t ret;
error_setg_errno(errp, -ret, "Could not write encryption header");
return ret;
}
- return buflen;
+ return 0;
}
};
-static ssize_t block_crypto_create_write_func(QCryptoBlock *block,
- size_t offset,
- const uint8_t *buf,
- size_t buflen,
- void *opaque,
- Error **errp)
+static int block_crypto_create_write_func(QCryptoBlock *block,
+ size_t offset,
+ const uint8_t *buf,
+ size_t buflen,
+ void *opaque,
+ Error **errp)
{
struct BlockCryptoCreateData *data = opaque;
ssize_t ret;
error_setg_errno(errp, -ret, "Could not write encryption header");
return ret;
}
- return ret;
+ return 0;
}
-static ssize_t block_crypto_create_init_func(QCryptoBlock *block,
- size_t headerlen,
- void *opaque,
- Error **errp)
+static int block_crypto_create_init_func(QCryptoBlock *block,
+ size_t headerlen,
+ void *opaque,
+ Error **errp)
{
struct BlockCryptoCreateData *data = opaque;
Error *local_error = NULL;
data->prealloc, 0, &local_error);
if (ret >= 0) {
- return ret;
+ return 0;
}
error:
}
-static ssize_t qcow2_crypto_hdr_read_func(QCryptoBlock *block, size_t offset,
- uint8_t *buf, size_t buflen,
- void *opaque, Error **errp)
+static int qcow2_crypto_hdr_read_func(QCryptoBlock *block, size_t offset,
+ uint8_t *buf, size_t buflen,
+ void *opaque, Error **errp)
{
BlockDriverState *bs = opaque;
BDRVQcow2State *s = bs->opaque;
error_setg_errno(errp, -ret, "Could not read encryption header");
return -1;
}
- return buflen;
+ return 0;
}
-static ssize_t qcow2_crypto_hdr_init_func(QCryptoBlock *block, size_t headerlen,
- void *opaque, Error **errp)
+static int qcow2_crypto_hdr_init_func(QCryptoBlock *block, size_t headerlen,
+ void *opaque, Error **errp)
{
BlockDriverState *bs = opaque;
BDRVQcow2State *s = bs->opaque;
return -1;
}
- return ret;
+ return 0;
}
-static ssize_t qcow2_crypto_hdr_write_func(QCryptoBlock *block, size_t offset,
- const uint8_t *buf, size_t buflen,
- void *opaque, Error **errp)
+static int qcow2_crypto_hdr_write_func(QCryptoBlock *block, size_t offset,
+ const uint8_t *buf, size_t buflen,
+ void *opaque, Error **errp)
{
BlockDriverState *bs = opaque;
BDRVQcow2State *s = bs->opaque;
error_setg_errno(errp, -ret, "Could not read encryption header");
return -1;
}
- return buflen;
+ return 0;
}
static QDict*
void *opaque,
Error **errp)
{
- ssize_t rv;
+ int rv;
size_t i;
QCryptoBlockLUKS *luks = block->opaque;
QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
splitkey, splitkeylen,
opaque,
- errp) != splitkeylen) {
+ errp) < 0) {
goto cleanup;
}
g_autofree uint8_t *splitkey = NULL;
size_t splitkeylen;
g_autofree uint8_t *possiblekey = NULL;
- ssize_t rv;
+ int rv;
g_autoptr(QCryptoCipher) cipher = NULL;
uint8_t keydigest[QCRYPTO_BLOCK_LUKS_DIGEST_LEN];
g_autoptr(QCryptoIVGen) ivgen = NULL;
garbagesplitkey,
splitkeylen,
opaque,
- &local_err) != splitkeylen) {
+ &local_err) < 0) {
error_propagate(errp, local_err);
return -1;
}
}
-static ssize_t qcrypto_block_headerlen_hdr_init_func(QCryptoBlock *block,
+static int qcrypto_block_headerlen_hdr_init_func(QCryptoBlock *block,
size_t headerlen, void *opaque, Error **errp)
{
size_t *headerlenp = opaque;
}
-static ssize_t qcrypto_block_headerlen_hdr_write_func(QCryptoBlock *block,
+static int qcrypto_block_headerlen_hdr_write_func(QCryptoBlock *block,
size_t offset, const uint8_t *buf, size_t buflen,
void *opaque, Error **errp)
{
/* Discard the bytes, we're not actually writing to an image */
- return buflen;
+ return 0;
}
/* See also QCryptoBlockFormat, QCryptoBlockCreateOptions
* and QCryptoBlockOpenOptions in qapi/crypto.json */
-typedef ssize_t (*QCryptoBlockReadFunc)(QCryptoBlock *block,
- size_t offset,
- uint8_t *buf,
- size_t buflen,
- void *opaque,
- Error **errp);
+typedef int (*QCryptoBlockReadFunc)(QCryptoBlock *block,
+ size_t offset,
+ uint8_t *buf,
+ size_t buflen,
+ void *opaque,
+ Error **errp);
-typedef ssize_t (*QCryptoBlockInitFunc)(QCryptoBlock *block,
- size_t headerlen,
- void *opaque,
- Error **errp);
+typedef int (*QCryptoBlockInitFunc)(QCryptoBlock *block,
+ size_t headerlen,
+ void *opaque,
+ Error **errp);
-typedef ssize_t (*QCryptoBlockWriteFunc)(QCryptoBlock *block,
- size_t offset,
- const uint8_t *buf,
- size_t buflen,
- void *opaque,
- Error **errp);
+typedef int (*QCryptoBlockWriteFunc)(QCryptoBlock *block,
+ size_t offset,
+ const uint8_t *buf,
+ size_t buflen,
+ void *opaque,
+ Error **errp);
/**
* qcrypto_block_has_format:
};
-static ssize_t test_block_read_func(QCryptoBlock *block,
- size_t offset,
- uint8_t *buf,
- size_t buflen,
- void *opaque,
- Error **errp)
+static int test_block_read_func(QCryptoBlock *block,
+ size_t offset,
+ uint8_t *buf,
+ size_t buflen,
+ void *opaque,
+ Error **errp)
{
Buffer *header = opaque;
memcpy(buf, header->buffer + offset, buflen);
- return buflen;
+ return 0;
}
-static ssize_t test_block_init_func(QCryptoBlock *block,
- size_t headerlen,
- void *opaque,
- Error **errp)
+static int test_block_init_func(QCryptoBlock *block,
+ size_t headerlen,
+ void *opaque,
+ Error **errp)
{
Buffer *header = opaque;
buffer_reserve(header, headerlen);
- return headerlen;
+ return 0;
}
-static ssize_t test_block_write_func(QCryptoBlock *block,
- size_t offset,
- const uint8_t *buf,
- size_t buflen,
- void *opaque,
- Error **errp)
+static int test_block_write_func(QCryptoBlock *block,
+ size_t offset,
+ const uint8_t *buf,
+ size_t buflen,
+ void *opaque,
+ Error **errp)
{
Buffer *header = opaque;
memcpy(header->buffer + offset, buf, buflen);
header->offset = offset + buflen;
- return buflen;
+ return 0;
}