1/*
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)subr_log.c 8.1 (Berkeley) 6/10/93
34 * $FreeBSD: head/sys/kern/subr_log.c 111741 2003-03-02 15:50:23Z des $
35 */
36
37/*
38 * Error log buffer for kernel printf's.
39 */
40
41#include <sys/param.h>
42#include <sys/systm.h>
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146
147 while (uio->uio_resid > 0) {
148 l = mbp->msg_bufx - mbp->msg_bufr;
149 if (l < 0)
150 l = mbp->msg_size - mbp->msg_bufr;
151 l = imin(l, uio->uio_resid);
152 if (l == 0)
153 break;
154 error = uiomove((char *)msgbufp->msg_ptr + mbp->msg_bufr,
155 l, uio);
156 if (error)
157 break;
158 mbp->msg_bufr += l;
159 if (mbp->msg_bufr >= mbp->msg_size)
160 mbp->msg_bufr = 0;
161 }
162 return (error);
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2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
--- 17 unchanged lines hidden (view full) ---
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)subr_log.c 8.1 (Berkeley) 6/10/93
34 * $FreeBSD: head/sys/kern/subr_log.c 111741 2003-03-02 15:50:23Z des $
35 */
36
37/*
38 * Error log buffer for kernel printf's.
39 */
40
41#include <sys/param.h>
42#include <sys/systm.h>
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146
147 while (uio->uio_resid > 0) {
148 l = mbp->msg_bufx - mbp->msg_bufr;
149 if (l < 0)
150 l = mbp->msg_size - mbp->msg_bufr;
151 l = imin(l, uio->uio_resid);
152 if (l == 0)
153 break;
154 error = uiomove((char *)msgbufp->msg_ptr + mbp->msg_bufr,
155 l, uio);
156 if (error)
157 break;
158 mbp->msg_bufr += l;
159 if (mbp->msg_bufr >= mbp->msg_size)
160 mbp->msg_bufr = 0;
161 }
162 return (error);
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