crypto: Make block callbacks return 0 on success

They currently return the value of their headerlen/buflen parameter on
success. Returning 0 instead makes it clear that short reads/writes are
not possible.

Signed-off-by: Alberto Faria <afaria@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20220609152744.3891847-5-afaria@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
This commit is contained in:
Alberto Faria 2022-06-09 16:27:38 +01:00 committed by Hanna Reitz
parent 353a5d84b2
commit 757dda54b4
6 changed files with 79 additions and 79 deletions

View file

@ -188,12 +188,12 @@ static struct QCryptoBlockTestData {
};
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;
@ -201,14 +201,14 @@ static ssize_t test_block_read_func(QCryptoBlock *block,
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;
@ -216,16 +216,16 @@ static ssize_t test_block_init_func(QCryptoBlock *block,
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;
@ -234,7 +234,7 @@ static ssize_t test_block_write_func(QCryptoBlock *block,
memcpy(header->buffer + offset, buf, buflen);
header->offset = offset + buflen;
return buflen;
return 0;
}