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--- xnu/xnu-12377.101.15/iokit/Kernel/IOStringFuncs.c
+++ xnu/xnu-1228/iokit/Kernel/IOStringFuncs.c
@@ -1,8 +1,8 @@
/*
- * Copyright (c) 1998-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 1998-2006 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
@@ -11,10 +11,10 @@
* 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
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,12 +22,10 @@
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
-
-/*
- * Copyright (c) 1995 NeXT Computer, Inc. All rights reserved.
+/* Copyright (c) 1995 NeXT Computer, Inc. All rights reserved.
*
* strol.c - The functions strtol() & strtoul() are exported as public API
* via the header file ~driverkit/generalFuncs.h
@@ -40,7 +38,7 @@
* Commented out references to errno.
*/
-/*
+/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
@@ -74,45 +72,38 @@
*/
/*
- #include <string.h>
- #include <stdlib.h>
- #include <limits.h>
- */
+#include <string.h>
+#include <stdlib.h>
+#include <limits.h>
+*/
#include <sys/types.h>
#include <machine/limits.h>
-
-long strtol(const char *nptr, char **endptr, int base);
-unsigned long strtoul(const char *nptr, char **endptr, int base);
-quad_t strtoq(const char *nptr, char **endptr, int base);
-u_quad_t strtouq(const char *nptr, char **endptr, int base);
-
-
typedef int BOOL;
static inline BOOL
isupper(char c)
{
- return c >= 'A' && c <= 'Z';
+ return (c >= 'A' && c <= 'Z');
}
static inline BOOL
isalpha(char c)
{
- return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z');
+ return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'));
}
static inline BOOL
isspace(char c)
{
- return c == ' ' || c == '\t' || c == '\n' || c == '\12';
+ return (c == ' ' || c == '\t' || c == '\n' || c == '\12');
}
static inline BOOL
isdigit(char c)
{
- return c >= '0' && c <= '9';
+ return (c >= '0' && c <= '9');
}
/*
@@ -124,11 +115,11 @@
long
strtol(const char *nptr, char **endptr, int base)
{
- const char *s = nptr;
- unsigned long acc;
- char c;
- unsigned long cutoff;
- int neg = 0, any, cutlim;
+ register const char *s = nptr;
+ register unsigned long acc;
+ register int c;
+ register unsigned long cutoff;
+ register int neg = 0, any, cutlim;
/*
* Skip white space and pick up leading +/- sign if any.
@@ -141,9 +132,8 @@
if (c == '-') {
neg = 1;
c = *s++;
- } else if (c == '+') {
- c = *s++;
- }
+ } else if (c == '+')
+ c = *s++;
if ((base == 0 || base == 16) &&
c == '0' && (*s == 'x' || *s == 'X')) {
c = s[1];
@@ -155,9 +145,8 @@
s += 2;
base = 2;
}
- if (base == 0) {
+ if (base == 0)
base = c == '0' ? 8 : 10;
- }
/*
* Compute the cutoff value between legal numbers and illegal
@@ -177,22 +166,20 @@
* overflow.
*/
cutoff = neg ? -(unsigned long)LONG_MIN : LONG_MAX;
- cutlim = ((int)(cutoff % (unsigned long)base));
+ cutlim = cutoff % (unsigned long)base;
cutoff /= (unsigned long)base;
for (acc = 0, any = 0;; c = *s++) {
- if (isdigit(c)) {
+ if (isdigit(c))
c -= '0';
- } else if (isalpha(c)) {
+ else if (isalpha(c))
c -= isupper(c) ? 'A' - 10 : 'a' - 10;
- } else {
- break;
- }
- if (c >= base) {
- break;
- }
- if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) {
+ else
+ break;
+ if (c >= base)
+ break;
+ if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim) )
any = -1;
- } else {
+ else {
any = 1;
acc *= base;
acc += c;
@@ -201,27 +188,21 @@
if (any < 0) {
acc = neg ? LONG_MIN : LONG_MAX;
// errno = ERANGE;
- } else if (neg) {
+ } else if (neg)
acc = -acc;
- }
- if (endptr != 0) {
- if (any) {
- *endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
- } else {
- *endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
- }
- }
- return acc;
+ if (endptr != 0)
+ *endptr = (char *)(any ? s - 1 : nptr);
+ return (acc);
}
unsigned long
strtoul(const char *nptr, char **endptr, int base)
{
- const char *s = nptr;
- unsigned long acc;
- char c;
- unsigned long cutoff;
- int neg = 0, any, cutlim;
+ register const char *s = nptr;
+ register unsigned long acc;
+ register int c;
+ register unsigned long cutoff;
+ register int neg = 0, any, cutlim;
/*
* See strtol for comments as to the logic used.
@@ -232,9 +213,8 @@
if (c == '-') {
neg = 1;
c = *s++;
- } else if (c == '+') {
- c = *s++;
- }
+ } else if (c == '+')
+ c = *s++;
if ((base == 0 || base == 16) &&
c == '0' && (*s == 'x' || *s == 'X')) {
c = s[1];
@@ -246,25 +226,22 @@
s += 2;
base = 2;
}
- if (base == 0) {
+ if (base == 0)
base = c == '0' ? 8 : 10;
- }
cutoff = (unsigned long)ULONG_MAX / (unsigned long)base;
- cutlim = ((int)((unsigned long)ULONG_MAX % (unsigned long)base));
+ cutlim = (unsigned long)ULONG_MAX % (unsigned long)base;
for (acc = 0, any = 0;; c = *s++) {
- if (isdigit(c)) {
+ if (isdigit(c))
c -= '0';
- } else if (isalpha(c)) {
+ else if (isalpha(c))
c -= isupper(c) ? 'A' - 10 : 'a' - 10;
- } else {
- break;
- }
- if (c >= base) {
- break;
- }
- if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) {
+ else
+ break;
+ if (c >= base)
+ break;
+ if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim) )
any = -1;
- } else {
+ else {
any = 1;
acc *= base;
acc += c;
@@ -273,18 +250,11 @@
if (any < 0) {
acc = ULONG_MAX;
// errno = ERANGE;
- } else if (neg) {
+ } else if (neg)
acc = -acc;
- }
- if (endptr != 0) {
- if (any) {
- *endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
- } else {
- *endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
- }
- }
-
- return acc;
+ if (endptr != 0)
+ *endptr = (char *)(any ? s - 1 : nptr);
+ return (acc);
}
/*
@@ -296,11 +266,11 @@
quad_t
strtoq(const char *nptr, char **endptr, int base)
{
- const char *s;
- u_quad_t acc;
- char c;
- u_quad_t qbase, cutoff;
- int neg, any, cutlim;
+ register const char *s;
+ register u_quad_t acc;
+ register int c;
+ register u_quad_t qbase, cutoff;
+ register int neg, any, cutlim;
/*
* Skip white space and pick up leading +/- sign if any.
@@ -316,9 +286,8 @@
c = *s++;
} else {
neg = 0;
- if (c == '+') {
+ if (c == '+')
c = *s++;
- }
}
if ((base == 0 || base == 16) &&
c == '0' && (*s == 'x' || *s == 'X')) {
@@ -326,9 +295,8 @@
s += 2;
base = 16;
}
- if (base == 0) {
+ if (base == 0)
base = c == '0' ? 8 : 10;
- }
/*
* Compute the cutoff value between legal numbers and illegal
@@ -350,22 +318,20 @@
*/
qbase = (unsigned)base;
cutoff = neg ? -(u_quad_t)QUAD_MIN : QUAD_MAX;
- cutlim = ((int)(cutoff % qbase));
+ cutlim = cutoff % qbase;
cutoff /= qbase;
for (acc = 0, any = 0;; c = *s++) {
- if (isdigit(c)) {
+ if (isdigit(c))
c -= '0';
- } else if (isalpha(c)) {
+ else if (isalpha(c))
c -= isupper(c) ? 'A' - 10 : 'a' - 10;
- } else {
- break;
- }
- if (c >= base) {
- break;
- }
- if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) {
+ else
+ break;
+ if (c >= base)
+ break;
+ if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
any = -1;
- } else {
+ else {
any = 1;
acc *= qbase;
acc += c;
@@ -374,18 +340,11 @@
if (any < 0) {
acc = neg ? QUAD_MIN : QUAD_MAX;
// errno = ERANGE;
- } else if (neg) {
+ } else if (neg)
acc = -acc;
- }
- if (endptr != 0) {
- if (any) {
- *endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
- } else {
- *endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
- }
- }
-
- return acc;
+ if (endptr != 0)
+ *endptr = (char *)(any ? s - 1 : nptr);
+ return (acc);
}
@@ -397,14 +356,14 @@
*/
u_quad_t
strtouq(const char *nptr,
- char **endptr,
- int base)
-{
- const char *s = nptr;
- u_quad_t acc;
- char c;
- u_quad_t qbase, cutoff;
- int neg, any, cutlim;
+ char **endptr,
+ register int base)
+{
+ register const char *s = nptr;
+ register u_quad_t acc;
+ register int c;
+ register u_quad_t qbase, cutoff;
+ register int neg, any, cutlim;
/*
* See strtoq for comments as to the logic used.
@@ -416,11 +375,10 @@
if (c == '-') {
neg = 1;
c = *s++;
- } else {
+ } else {
neg = 0;
- if (c == '+') {
+ if (c == '+')
c = *s++;
- }
}
if ((base == 0 || base == 16) &&
c == '0' && (*s == 'x' || *s == 'X')) {
@@ -428,26 +386,23 @@
s += 2;
base = 16;
}
- if (base == 0) {
+ if (base == 0)
base = c == '0' ? 8 : 10;
- }
qbase = (unsigned)base;
cutoff = (u_quad_t)UQUAD_MAX / qbase;
- cutlim = ((int)((u_quad_t)UQUAD_MAX % qbase));
+ cutlim = (u_quad_t)UQUAD_MAX % qbase;
for (acc = 0, any = 0;; c = *s++) {
- if (isdigit(c)) {
+ if (isdigit(c))
c -= '0';
- } else if (isalpha(c)) {
+ else if (isalpha(c))
c -= isupper(c) ? 'A' - 10 : 'a' - 10;
- } else {
- break;
- }
- if (c >= base) {
- break;
- }
- if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim)) {
+ else
+ break;
+ if (c >= base)
+ break;
+ if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
any = -1;
- } else {
+ else {
any = 1;
acc *= qbase;
acc += c;
@@ -456,16 +411,45 @@
if (any < 0) {
acc = UQUAD_MAX;
// errno = ERANGE;
- } else if (neg) {
+ } else if (neg)
acc = -acc;
- }
- if (endptr != 0) {
- if (any) {
- *endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
- } else {
- *endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
+ if (endptr != 0)
+ *endptr = (char *)(any ? s - 1 : nptr);
+ return (acc);
+}
+
+
+/*
+ *
+ */
+
+char *strchr(const char *str, int ch)
+{
+ do {
+ if (*str == ch)
+ return((char *)str);
+ } while (*str++);
+ return ((char *) 0);
+}
+
+/*
+ *
+ */
+
+char *
+strncat(char *s1, const char *s2, unsigned long n)
+{
+ char *os1;
+ int i = n;
+
+ os1 = s1;
+ while (*s1++)
+ ;
+ --s1;
+ while ((*s1++ = *s2++))
+ if (--i < 0) {
+ *--s1 = '\0';
+ break;
}
- }
-
- return acc;
-}
+ return(os1);
+}