diff options
Diffstat (limited to 'imsg-buffer.c')
| -rw-r--r-- | imsg-buffer.c | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/imsg-buffer.c b/imsg-buffer.c index 06fe0b1a..613220d4 100644 --- a/imsg-buffer.c +++ b/imsg-buffer.c @@ -144,7 +144,7 @@ int buf_write(struct msgbuf *msgbuf) { struct iovec iov[IOV_MAX]; - struct buf *buf, *next; + struct buf *buf; unsigned int i = 0; ssize_t n; @@ -170,17 +170,7 @@ buf_write(struct msgbuf *msgbuf) return (-2); } - for (buf = TAILQ_FIRST(&msgbuf->bufs); buf != NULL && n > 0; - buf = next) { - next = TAILQ_NEXT(buf, entry); - if (buf->rpos + n >= buf->wpos) { - n -= buf->wpos - buf->rpos; - buf_dequeue(msgbuf, buf); - } else { - buf->rpos += n; - n = 0; - } - } + msgbuf_drain(msgbuf, n); return (0); } @@ -201,6 +191,24 @@ msgbuf_init(struct msgbuf *msgbuf) } void +msgbuf_drain(struct msgbuf *msgbuf, size_t n) +{ + struct buf *buf, *next; + + for (buf = TAILQ_FIRST(&msgbuf->bufs); buf != NULL && n > 0; + buf = next) { + next = TAILQ_NEXT(buf, entry); + if (buf->rpos + n >= buf->wpos) { + n -= buf->wpos - buf->rpos; + buf_dequeue(msgbuf, buf); + } else { + buf->rpos += n; + n = 0; + } + } +} + +void msgbuf_clear(struct msgbuf *msgbuf) { struct buf *buf; @@ -213,7 +221,7 @@ int msgbuf_write(struct msgbuf *msgbuf) { struct iovec iov[IOV_MAX]; - struct buf *buf, *next; + struct buf *buf; unsigned int i = 0; ssize_t n; struct msghdr msg; @@ -270,17 +278,7 @@ msgbuf_write(struct msgbuf *msgbuf) buf->fd = -1; } - for (buf = TAILQ_FIRST(&msgbuf->bufs); buf != NULL && n > 0; - buf = next) { - next = TAILQ_NEXT(buf, entry); - if (buf->rpos + n >= buf->wpos) { - n -= buf->wpos - buf->rpos; - buf_dequeue(msgbuf, buf); - } else { - buf->rpos += n; - n = 0; - } - } + msgbuf_drain(msgbuf, n); return (0); } |