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strstr.c was inadvertently blasted with a copy of isa_nmi.c. Revert

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and remove clause 3 while I'm here.
This commit is contained in:
Warner Losh 2017-03-01 02:07:51 +00:00
parent 7ab1926316
commit 59b34b3404
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=314448
1 changed files with 20 additions and 30 deletions
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50
sys/libkern/strstr.c
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@ -1,9 +1,9 @@
/*-
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
* Chris Torek.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -28,42 +28,32 @@
* 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.
*
* from: @(#)isa.c 7.2 (Berkeley) 5/13/91
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/syslog.h>
#include <sys/systm.h>
#include <machine/md_var.h>
#define NMI_PARITY 0x04
#define NMI_EPARITY 0x02
#include <sys/param.h>
#include <sys/libkern.h>
/*
* Handle a NMI, possibly a machine check.
* return true to panic system, false to ignore.
* Find the first occurrence of find in s.
*/
int
isa_nmi(int cd)
char *
strstr(const char *s, const char *find)
{
int retval = 0;
int port = inb(0x33);
char c, sc;
size_t len;
log(LOG_CRIT, "NMI PC98 port = %x\n", port);
if (port & NMI_PARITY) {
log(LOG_CRIT, "BASE RAM parity error, likely hardware failure.");
retval = 1;
} else if (port & NMI_EPARITY) {
log(LOG_CRIT, "EXTENDED RAM parity error, likely hardware failure.");
retval = 1;
} else {
log(LOG_CRIT, "\nNMI Resume ??\n");
if ((c = *find++) != 0) {
len = strlen(find);
do {
do {
if ((sc = *s++) == 0)
return (NULL);
} while (sc != c);
} while (strncmp(s, find, len) != 0);
s--;
}
return(retval);
return (__DECONST(char *, s));
}