/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1997 Apple Computer, Inc. All Rights Reserved */
/*
*
*/
-#ifdef NeXT
/*
* We use the NetBSD based clist system, it is much more efficient than the
* old style clist stuff used by free bsd.
#include <sys/param.h>
#include <sys/systm.h>
-#include <sys/buf.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/malloc.h>
-#include <machine/spl.h>
/*
* At compile time, choose:
* Initialize clists.
*/
void
-cinit()
+cinit(void)
{
}
* of the specified length, with/without quoting support.
*/
int
-clalloc(clp, size, quot)
- struct clist *clp;
- int size;
- int quot;
+clalloc(struct clist *clp, int size, int quot)
{
-
MALLOC_ZONE(clp->c_cs, u_char *, size, M_TTYS, M_WAITOK);
if (!clp->c_cs)
return (-1);
}
void
-clfree(clp)
- struct clist *clp;
+clfree(struct clist *clp)
{
if(clp->c_cs)
FREE_ZONE(clp->c_cs, clp->c_cn, M_TTYS);
* Get a character from a clist.
*/
int
-getc(clp)
- struct clist *clp;
+getc(struct clist *clp)
{
- register int c = -1;
- int s;
+ int c = -1;
- s = spltty();
if (clp->c_cc == 0)
goto out;
if (--clp->c_cc == 0)
clp->c_cf = clp->c_cl = (u_char *)0;
out:
- splx(s);
return c;
}
* Return number of bytes moved.
*/
int
-q_to_b(clp, cp, count)
- struct clist *clp;
- u_char *cp;
- int count;
+q_to_b(struct clist *clp, u_char *cp, int count)
{
- register int cc;
+ int cc;
u_char *p = cp;
- int s;
- s = spltty();
/* optimize this while loop */
while (count > 0 && clp->c_cc > 0) {
cc = clp->c_cl - clp->c_cf;
}
if (clp->c_cc == 0)
clp->c_cf = clp->c_cl = (u_char *)0;
- splx(s);
return p - cp;
}
* Stop counting if flag&character is non-null.
*/
int
-ndqb(clp, flag)
- struct clist *clp;
- int flag;
+ndqb(struct clist *clp, int flag)
{
int count = 0;
register int i;
register int cc;
- int s;
- s = spltty();
if ((cc = clp->c_cc) == 0)
goto out;
}
}
out:
- splx(s);
return count;
}
* Flush count bytes from clist.
*/
void
-ndflush(clp, count)
- struct clist *clp;
- int count;
+ndflush(struct clist *clp, int count)
{
- register int cc;
- int s;
+ int cc;
- s = spltty();
if (count == clp->c_cc) {
clp->c_cc = 0;
clp->c_cf = clp->c_cl = (u_char *)0;
- goto out;
+ return;
}
/* optimize this while loop */
while (count > 0 && clp->c_cc > 0) {
}
if (clp->c_cc == 0)
clp->c_cf = clp->c_cl = (u_char *)0;
-out:
- splx(s);
}
/*
* Put a character into the output queue.
*/
int
-putc(c, clp)
- int c;
- struct clist *clp;
+putc(int c, struct clist *clp)
{
register int i;
- int s;
- s = spltty();
if (clp->c_cc == 0) {
if (!clp->c_cs) {
#if DIAGNOSTIC
#endif
if(clalloc(clp, 1024, 1)) {
out:
- splx(s);
return -1;
}
}
clp->c_cl++;
if (clp->c_cl == clp->c_ce)
clp->c_cl = clp->c_cs;
- splx(s);
return 0;
}
* clrbit(cp, off + len);
*/
void
-clrbits(cp, off, len)
- u_char *cp;
- int off;
- int len;
+clrbits(u_char *cp, int off, int len)
{
int sby, sbi, eby, ebi;
register int i;
cp[sby++] &= mask;
mask = (1<<ebi) - 1;
- cp[eby] &= ~mask;
+ /* handle remainder bits, if any, for a non-0 ebi value */
+ if (mask)
+ cp[eby] &= ~mask;
for (i = sby; i < eby; i++)
cp[i] = 0x00;
* Return number of bytes not transfered.
*/
int
-b_to_q(cp, count, clp)
- u_char *cp;
- int count;
- struct clist *clp;
+b_to_q(const u_char *cp, int count, struct clist *clp)
{
- register int cc;
- register u_char *p = cp;
- int s;
+ int cc;
+ const u_char *p = cp;
if (count <= 0)
return 0;
- s = spltty();
if (clp->c_cc == 0) {
if (!clp->c_cs) {
clp->c_cl = clp->c_cs;
}
out:
- splx(s);
return count;
}
* masked.
*/
u_char *
-nextc(clp, cp, c)
- struct clist *clp;
- register u_char *cp;
- int *c;
+nextc(struct clist *clp, u_char *cp, int *c)
{
-
if (clp->c_cf == cp) {
/*
* First time initialization.
* *c is set to the NEXT character
*/
u_char *
-firstc(clp, c)
- struct clist *clp;
- int *c;
+firstc(struct clist *clp, int *c)
{
- register u_char *cp;
+ u_char *cp;
cc = clp->c_cc;
if (cc == 0)
* Remove the last character in the clist and return it.
*/
int
-unputc(clp)
- struct clist *clp;
+unputc(struct clist *clp)
{
unsigned int c = -1;
- int s;
- s = spltty();
if (clp->c_cc == 0)
goto out;
if (clp->c_cc == 0)
clp->c_cf = clp->c_cl = (u_char *)0;
out:
- splx(s);
return c;
}
* Put the chars in the from queue on the end of the to queue.
*/
void
-catq(from, to)
- struct clist *from, *to;
+catq(struct clist *from, struct clist *to)
{
int c;
while ((c = getc(from)) != -1)
putc(c, to);
}
-
-#endif /* NeXT */
projects / apple / xnu.git / blobdiff