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btrfs-progs: send: clean types in write_buf

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

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