3 files changed, 248 insertions, 4 deletions
diff --git a/sysdeps/i386/bits/string.h b/sysdeps/i386/bits/string.h
index b95ec8a4c2..6885cbb019 100644
--- a/sysdeps/i386/bits/string.h
+++ b/sysdeps/i386/bits/string.h
@@ -72,7 +72,7 @@ __memcpy_c (void *__dest, __const void *__src, size_t __n)
 	*(2 + (const unsigned short int *) __src);
       return __dest;
     case 8:
-      *(unsigned long int *) __dest = *(const unsigned long int *) __to;
+      *(unsigned long int *) __dest = *(const unsigned long int *) __src;
       *(1 + (unsigned long int *) __dest) =
 	*(1 + (const unsigned long int *) __src);
       return __dest;
@@ -177,13 +177,13 @@ __memset_cc (void *__s, unsigned long int __pattern, size_t __n)
   switch (__n)
     {
     case 0:
-      return s;
+      return __s;
     case 1:
       *(unsigned char *) __s = __pattern;
       return __s;
     case 2:
       *(unsigned short int *) __s = __pattern;
-      return s;
+      return __s;
     case 3:
       *(unsigned short int *) __s = __pattern;
       *(2 + (unsigned char *) __s) = __pattern;
@@ -210,7 +210,7 @@ __memset_cc (void *__s, unsigned long int __pattern, size_t __n)
       __COMMON_CODE ("\n\tstosb");
       return __s;
     case 2:
-      __COMMON__CODE ("\n\tstosw");
+      __COMMON_CODE ("\n\tstosw");
       return s;
     case 3:
       __COMMON_CODE ("\n\tstosw\n\tstosb");
diff --git a/sysdeps/i386/i686/strtok.S b/sysdeps/i386/i686/strtok.S
new file mode 100644
index 0000000000..62d54c4e1a
--- /dev/null
+++ b/sysdeps/i386/i686/strtok.S
@@ -0,0 +1,240 @@
+/* strtok (str, delim) -- Return next DELIM separated token from STR.
+   For Intel 80686.
+   Copyright (C) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <sysdep.h>
+#include "asm-syntax.h"
+
+/* This file can be used for three variants of the strtok function:
+
+   strtok:
+	INPUT PARAMETER:
+	str		(sp + 4)
+	delim		(sp + 8)
+
+   strtok_r:
+	INPUT PARAMETER:
+	str		(sp + 4)
+	delim		(sp + 8)
+	save_ptr	(sp + 12)
+
+   We do a common implementation here.  */
+
+#ifndef USE_AS_STRTOK_R
+	.bss
+	.local save_ptr
+	ASM_TYPE_DIRECTIVE (save_ptr, @object)
+	.size save_ptr, 4
+save_ptr:
+	.space 4
+
+#define FUNCTION strtok
+#endif
+
+	.text
+
+#if !defined USE_AS_STRTOK_R && defined PIC
+0:	movl (%esp), %ebx
+	ret
+#endif
+
+ENTRY (FUNCTION)
+
+#if !defined USE_AS_STRTOK_R && defined PIC
+	pushl %ebx			/* Save PIC register.  */
+	call 0b
+	addl $_GLOBAL_OFFSET_TABLE_, %ebx
+#endif
+
+	/* First we create a table with flags for all possible characters.
+	   For the ASCII (7bit/8bit) or ISO-8859-X character sets which are
+	   supported by the C string functions we have 256 characters.
+	   Before inserting marks for the stop characters we clear the whole
+	   table.  */
+	movl %edi, %edx
+	subl $256, %esp
+	movl $64, %ecx
+	movl %esp, %edi
+	xorl %eax, %eax
+	rep
+	stosl
+
+	/* Note: %ecx = 0 !!! */
+	movl %edx, %edi
+
+#if !defined USE_AS_STRTOK_R && defined PIC
+	movl 264(%esp), %edx		/* Get start of string.  */
+#else
+	movl 260(%esp), %edx		/* Get start of string.  */
+#endif
+
+#ifdef USE_AS_STRTOK_R
+	/* The value is stored in the third argument.  */
+	movl 268(%esp), %eax
+	movl (%eax), %eax
+#else
+	/* The value is in the local variable defined above.  But
+	   we have to take care for PIC code.  */
+# ifndef PIC
+	movl save_ptr, %eax
+# else
+	movl save_ptr@GOTOFF(%ebx), %eax
+# endif
+#endif
+
+	/* If the pointer is NULL we have to use the stored value of
+	   the last run.  */
+	cmpl $0, %edx
+	cmove %eax, %edx
+
+#if !defined USE_AS_STRTOK_R && defined PIC
+	movl 268(%esp), %eax		/* Get start of delimiter set.  */
+#else
+	movl 264(%esp), %eax		/* Get start of delimiter set.  */
+#endif
+
+/* For understanding the following code remember that %ecx == 0 now.
+   Although all the following instruction only modify %cl we always
+   have a correct zero-extended 32-bit value in %ecx.  */
+
+L(2):	movb (%eax), %cl	/* get byte from stopset */
+	testb %cl, %cl		/* is NUL char? */
+	jz L(1)			/* yes => start compare loop */
+	movb %cl, (%esp,%ecx)	/* set corresponding byte in stopset table */
+
+	movb 1(%eax), %cl	/* get byte from stopset */
+	testb $0xff, %cl	/* is NUL char? */
+	jz L(1)			/* yes => start compare loop */
+	movb %cl, (%esp,%ecx)	/* set corresponding byte in stopset table */
+
+	movb 2(%eax), %cl	/* get byte from stopset */
+	testb $0xff, %cl	/* is NUL char? */
+	jz L(1)			/* yes => start compare loop */
+	movb %cl, (%esp,%ecx)	/* set corresponding byte in stopset table */
+
+	movb 3(%eax), %cl	/* get byte from stopset */
+	addl $4, %eax		/* increment stopset pointer */
+	movb %cl, (%esp,%ecx)	/* set corresponding byte in stopset table */
+	testb $0xff, %cl	/* is NUL char? */
+	jnz L(2)		/* no => process next dword from stopset */
+
+L(1):	leal -4(%edx), %eax	/* prepare loop */
+
+	/* We use a neat trick for the following loop.  Normally we would
+	   have to test for two termination conditions
+	   1. a character in the stopset was found
+	   and
+	   2. the end of the string was found
+	   As a sign that the character is in the stopset we store its
+	   value in the table.  The value of NUL is NUL so the loop
+	   terminates for NUL in every case.  */
+
+L(3):	addl $4, %eax		/* adjust pointer for full loop round */
+
+	movb (%eax), %cl	/* get byte from string */
+	testb %cl, (%esp,%ecx)	/* is it contained in stopset? */
+	jz L(4)			/* no => start of token */
+
+	movb 1(%eax), %cl	/* get byte from string */
+	testb %cl, (%esp,%ecx)	/* is it contained in stopset? */
+	jz L(5)			/* no => start of token */
+
+	movb 2(%eax), %cl	/* get byte from string */
+	testb %cl, (%esp,%ecx)	/* is it contained in stopset? */
+	jz L(6)			/* no => start of token */
+
+	movb 3(%eax), %cl	/* get byte from string */
+	testb %cl, (%esp,%ecx)	/* is it contained in stopset? */
+	jnz L(3)		/* yes => start of loop */
+
+	incl %eax		/* adjust pointer */
+L(6):	incl %eax
+L(5):	incl %eax
+
+	/* Now we have to terminate the string.  */
+
+L(4):	leal -4(%eax), %edx	/* We use %EDX for the next run.  */
+
+L(7):	addl $4, %edx		/* adjust pointer for full loop round */
+
+	movb (%edx), %cl	/* get byte from string */
+	cmpb %cl, (%esp,%ecx)	/* is it contained in skipset? */
+	je L(8)			/* yes => return */
+
+	movb 1(%edx), %cl	/* get byte from string */
+	cmpb %cl, (%esp,%ecx)	/* is it contained in skipset? */
+	je L(9)			/* yes => return */
+
+	movb 2(%edx), %cl	/* get byte from string */
+	cmpb %cl, (%esp,%ecx)	/* is it contained in skipset? */
+	je L(10)		/* yes => return */
+
+	movb 3(%edx), %cl	/* get byte from string */
+	cmpb %cl, (%esp,%ecx)	/* is it contained in skipset? */
+	jne L(7)		/* no => start loop again */
+
+	incl %edx		/* adjust pointer */
+L(10):	incl %edx
+L(9):	incl %edx
+
+L(8):	/* Remove the stopset table.  */
+	addl $256, %esp
+
+	cmpl %eax, %edx
+	je L(returnNULL)	/* There was no token anymore.  */
+
+	movb $0, (%edx)		/* Terminate string.  */
+
+	/* Are we at end of string?  */
+	cmpb $0, %cl
+	leal 1(%edx), %ecx
+	cmovne %ecx, %edx
+
+	/* Store the pointer to the next character.  */
+#ifdef USE_AS_STRTOK_R
+	movl 12(%esp), %ecx
+	movl %edx, (%ecx)
+#else
+# ifndef PIC
+	movl %edx, save_ptr
+# else
+	movl %edx, save_ptr@GOTOFF(%ebx)
+	popl %ebx
+# endif
+#endif
+	ret
+
+L(returnNULL):
+	xorl %eax, %eax
+
+	/* Store current pointer for next round.  */
+#ifdef USE_AS_STRTOK_R
+	movl 12(%esp), %ecx
+	movl %edx, (%ecx)
+#else
+# ifndef PIC
+	movl %edx, save_ptr
+# else
+	movl %edx, save_ptr@GOTOFF(%ebx)
+	popl %ebx
+# endif
+#endif
+	ret
+END (FUNCTION)
diff --git a/sysdeps/i386/i686/strtok_r.S b/sysdeps/i386/i686/strtok_r.S
new file mode 100644
index 0000000000..70048db2c4
--- /dev/null
+++ b/sysdeps/i386/i686/strtok_r.S
@@ -0,0 +1,4 @@
+#define FUNCTION __strtok_r
+#define USE_AS_STRTOK_R	1
+#include <sysdeps/i386/i686/strtok.S>
+weak_alias (__strtok_r, strtok_r)