diff options
| -rw-r--r-- | cmds-send.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/cmds-send.c b/cmds-send.c index bf1d9733..5fe87899 100644 --- a/cmds-send.c +++ b/cmds-send.c @@ -195,24 +195,26 @@ static int add_clone_source(struct btrfs_send *s, u64 root_id) return 0; } -static int write_buf(int fd, const void *buf, int size) +static int write_buf(int fd, const char *buf, size_t size) { int ret; - int pos = 0; + size_t pos = 0; while (pos < size) { - ret = write(fd, (char*)buf + pos, size - pos); - if (ret < 0) { + ssize_t wbytes; + + wbytes = write(fd, buf + pos, size - pos); + if (wbytes < 0) { ret = -errno; error("failed to dump stream: %s", strerror(-ret)); goto out; } - if (!ret) { + if (!wbytes) { ret = -EIO; error("failed to dump stream: %s", strerror(-ret)); goto out; } - pos += ret; + pos += wbytes; } ret = 0; |