implement system dependant missing parts of the ANSI C Library standard
This commit is contained in:
parent
00b7fcaa3d
commit
2deadc5f66
|
@ -107,6 +107,7 @@ SCSHOBJS = \
|
|||
scsh/flock.o scsh/flock1.o \
|
||||
scsh/machine/stdio_dep.o \
|
||||
scsh/machine/time_dep1.o \
|
||||
scsh/machine/libansi.o \
|
||||
scsh/network.o scsh/network1.o \
|
||||
scsh/putenv.o \
|
||||
scsh/rdelim.o \
|
||||
|
|
|
@ -0,0 +1,3 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
|
@ -0,0 +1,3 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
|
@ -0,0 +1,3 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
|
@ -0,0 +1,3 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
|
@ -0,0 +1,3 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
|
@ -0,0 +1,3 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
|
@ -0,0 +1,3 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
|
@ -0,0 +1,3 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
|
@ -0,0 +1,3 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
|
@ -0,0 +1,139 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
**
|
||||
** For SunOS we provide raise and memmove from the BSD distribution.
|
||||
**
|
||||
*/
|
||||
|
||||
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1990, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)raise.c 8.1 (Berkeley) 6/4/93";
|
||||
#else
|
||||
static char rcsid[] = "$NetBSD: raise.c,v 1.5 1995/02/27 04:35:54 cgd Exp $";
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include <signal.h>
|
||||
#include <unistd.h>
|
||||
|
||||
int
|
||||
raise(s)
|
||||
int s;
|
||||
{
|
||||
return(kill(getpid(), s));
|
||||
}
|
||||
|
||||
#include <string.h>
|
||||
|
||||
/*
|
||||
* sizeof(word) MUST BE A POWER OF TWO
|
||||
* SO THAT wmask BELOW IS ALL ONES
|
||||
*/
|
||||
typedef long word; /* "word" used for optimal copy speed */
|
||||
|
||||
#define wsize sizeof(word)
|
||||
#define wmask (wsize - 1)
|
||||
|
||||
void *
|
||||
memmove(dst0, src0, length)
|
||||
void *dst0;
|
||||
const void *src0;
|
||||
register size_t length;
|
||||
{
|
||||
register char *dst = dst0;
|
||||
register const char *src = src0;
|
||||
register size_t t;
|
||||
|
||||
if (length == 0 || dst == src) /* nothing to do */
|
||||
goto done;
|
||||
|
||||
/*
|
||||
* Macros: loop-t-times; and loop-t-times, t>0
|
||||
*/
|
||||
#define TLOOP(s) if (t) TLOOP1(s)
|
||||
#define TLOOP1(s) do { s; } while (--t)
|
||||
|
||||
if ((unsigned long)dst < (unsigned long)src) {
|
||||
/*
|
||||
* Copy forward.
|
||||
*/
|
||||
t = (long)src; /* only need low bits */
|
||||
if ((t | (long)dst) & wmask) {
|
||||
/*
|
||||
* Try to align operands. This cannot be done
|
||||
* unless the low bits match.
|
||||
*/
|
||||
if ((t ^ (long)dst) & wmask || length < wsize)
|
||||
t = length;
|
||||
else
|
||||
t = wsize - (t & wmask);
|
||||
length -= t;
|
||||
TLOOP1(*dst++ = *src++);
|
||||
}
|
||||
/*
|
||||
* Copy whole words, then mop up any trailing bytes.
|
||||
*/
|
||||
t = length / wsize;
|
||||
TLOOP(*(word *)dst = *(word *)src; src += wsize; dst += wsize);
|
||||
t = length & wmask;
|
||||
TLOOP(*dst++ = *src++);
|
||||
} else {
|
||||
/*
|
||||
* Copy backwards. Otherwise essentially the same.
|
||||
* Alignment works as before, except that it takes
|
||||
* (t&wmask) bytes to align, not wsize-(t&wmask).
|
||||
*/
|
||||
src += length;
|
||||
dst += length;
|
||||
t = (long)src;
|
||||
if ((t | (long)dst) & wmask) {
|
||||
if ((t ^ (long)dst) & wmask || length <= wsize)
|
||||
t = length;
|
||||
else
|
||||
t &= wmask;
|
||||
length -= t;
|
||||
TLOOP1(*--dst = *--src);
|
||||
}
|
||||
t = length / wsize;
|
||||
TLOOP(src -= wsize; dst -= wsize; *(word *)dst = *(word *)src);
|
||||
t = length & wmask;
|
||||
TLOOP(*--dst = *--src);
|
||||
}
|
||||
done:
|
||||
return (dst0);
|
||||
}
|
|
@ -0,0 +1,3 @@
|
|||
/* OS-dependent support for what is supposed to be the standard ANSI C Library.
|
||||
** Copyright (c) 1996 by Brian D. Carlstrom.
|
||||
*/
|
Loading…
Reference in New Issue