xnu-1699.22.81.tar.gz

[apple/xnu.git] / iokit / Kernel / IOStringFuncs.c

diff --git a/iokit/Kernel/IOStringFuncs.c b/iokit/Kernel/IOStringFuncs.c
index 85a3e326fd3086b663962775d88d6a5e6ea18e45..548e980a1e78c47127729bec9a90e0b1184f5e3f 100644 (file)
--- a/iokit/Kernel/IOStringFuncs.c
+++ b/iokit/Kernel/IOStringFuncs.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2008 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -25,7 +25,9 @@
  * 
  * @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
@@ -38,7 +40,7 @@
  *      Commented out references to errno.
  */
 
-/*-
+/*
  * Copyright (c) 1990, 1993
  *     The Regents of the University of California.  All rights reserved.
  *
@@ -79,6 +81,15 @@
 #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);
+char *strchr(const char *str, int ch);
+char *strncat(char *s1, const char *s2, unsigned long n);
+
+
 typedef int BOOL;
 
 static inline BOOL
@@ -113,10 +124,7 @@ isdigit(char c)
  * alphabets and digits are each contiguous.
  */
 long
-strtol(nptr, endptr, base)
-       const char *nptr;
-       char **endptr;
-       register int base;
+strtol(const char *nptr, char **endptr, int base)
 {
        register const char *s = nptr;
        register unsigned long acc;
@@ -194,15 +202,21 @@ strtol(nptr, endptr, base)
        } else if (neg)
                acc = -acc;
        if (endptr != 0)
-               *endptr = (char *)(any ? s - 1 : nptr);
+       {
+               if(any)
+               {
+                       *endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
+               }
+               else
+               {
+                       *endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
+               }
+       }
        return (acc);
 }
 
 unsigned long
-strtoul(nptr, endptr, base)
-       const char *nptr;
-       char **endptr;
-       register int base;
+strtoul(const char *nptr, char **endptr, int base)
 {
        register const char *s = nptr;
        register unsigned long acc;
@@ -259,7 +273,17 @@ strtoul(nptr, endptr, base)
        } else if (neg)
                acc = -acc;
        if (endptr != 0)
-               *endptr = (char *)(any ? s - 1 : nptr);
+       {
+               if(any)
+               {
+                       *endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
+               }
+               else
+               {
+                       *endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
+               }
+       }
+
        return (acc);
 }
 
@@ -270,10 +294,7 @@ strtoul(nptr, endptr, base)
  * alphabets and digits are each contiguous.
  */
 quad_t
-strtoq(nptr, endptr, base)
-       const char *nptr;
-       char **endptr;
-       register int base;
+strtoq(const char *nptr, char **endptr, int base)
 {
        register const char *s;
        register u_quad_t acc;
@@ -338,7 +359,7 @@ strtoq(nptr, endptr, base)
                        break;
                if (c >= base)
                        break;
-               if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
+               if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
                        any = -1;
                else {
                        any = 1;
@@ -352,7 +373,17 @@ strtoq(nptr, endptr, base)
        } else if (neg)
                acc = -acc;
        if (endptr != 0)
-               *endptr = (char *)(any ? s - 1 : nptr);
+       {
+               if(any)
+               {
+                       *endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
+               }
+               else
+               {
+                       *endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
+               }
+       }
+
        return (acc);
 }
 
@@ -364,10 +395,9 @@ strtoq(nptr, endptr, base)
  * alphabets and digits are each contiguous.
  */
 u_quad_t
-strtouq(nptr, endptr, base)
-       const char *nptr;
-       char **endptr;
-       register int base;
+strtouq(const char *nptr,
+       char **endptr,
+       register int base)
 {
        register const char *s = nptr;
        register u_quad_t acc;
@@ -410,7 +440,7 @@ strtouq(nptr, endptr, base)
                        break;
                if (c >= base)
                        break;
-               if (any < 0 || acc > cutoff || acc == cutoff && c > cutlim)
+               if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
                        any = -1;
                else {
                        any = 1;
@@ -424,7 +454,17 @@ strtouq(nptr, endptr, base)
        } else if (neg)
                acc = -acc;
        if (endptr != 0)
-               *endptr = (char *)(any ? s - 1 : nptr);
+       {
+               if(any)
+               {
+                       *endptr = __CAST_AWAY_QUALIFIER(s - 1, const, char *);
+               }
+               else
+               {
+                       *endptr = __CAST_AWAY_QUALIFIER(nptr, const, char *);
+               }
+       }
+
        return (acc);
 }
 
@@ -437,7 +477,7 @@ char *strchr(const char *str, int ch)
 {
     do {
        if (*str == ch)
-           return((char *)str);
+           return(__CAST_AWAY_QUALIFIER(str, const, char *));
     } while (*str++);
     return ((char *) 0);
 }