aboutsummaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorAlberto Faria <afaria@redhat.com>2022-06-09 16:27:38 +0100
committerHanna Reitz <hreitz@redhat.com>2022-07-12 12:14:55 +0200
commit757dda54b43867936012970a1b457f3d16e7398d (patch)
tree2d0997e452b2c62a2bc42a4ab249642cce5076ce /include
parent353a5d84b25c335b259f37c4f43dad96e6d60ba8 (diff)
downloadqemu-757dda54b43867936012970a1b457f3d16e7398d.zip
qemu-757dda54b43867936012970a1b457f3d16e7398d.tar.gz
qemu-757dda54b43867936012970a1b457f3d16e7398d.tar.bz2
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>
Diffstat (limited to 'include')
-rw-r--r--include/crypto/block.h32
1 files changed, 16 insertions, 16 deletions
diff --git a/include/crypto/block.h b/include/crypto/block.h
index 7a65e8e..4f63a37 100644
--- a/include/crypto/block.h
+++ b/include/crypto/block.h
@@ -29,24 +29,24 @@ typedef struct QCryptoBlock QCryptoBlock;
/* 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: