btrfs-progs: send: clean types in write_buf

Use matching types for buffer, return value and buffer sizes.

Signed-off-by: David Sterba <dsterba@suse.com>
master
David Sterba 2016-11-02 14:04:06 +01:00
parent aec1d7fa8b
commit f3a00c630a
1 changed files with 8 additions and 6 deletions

View File

@ -195,24 +195,26 @@ static int add_clone_source(struct btrfs_send *s, u64 root_id)
return 0; 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 ret;
int pos = 0; size_t pos = 0;
while (pos < size) { while (pos < size) {
ret = write(fd, (char*)buf + pos, size - pos); ssize_t wbytes;
if (ret < 0) {
wbytes = write(fd, buf + pos, size - pos);
if (wbytes < 0) {
ret = -errno; ret = -errno;
error("failed to dump stream: %s", strerror(-ret)); error("failed to dump stream: %s", strerror(-ret));
goto out; goto out;
} }
if (!ret) { if (!wbytes) {
ret = -EIO; ret = -EIO;
error("failed to dump stream: %s", strerror(-ret)); error("failed to dump stream: %s", strerror(-ret));
goto out; goto out;
} }
pos += ret; pos += wbytes;
} }
ret = 0; ret = 0;