Added two header files for multi byte string functions

svn path=/trunk/; revision=379
This commit is contained in:
Boudewijn Dekker 1999-04-14 07:10:15 +00:00
parent 42965fae3b
commit b68aceef62
10 changed files with 230 additions and 759 deletions

View file

@ -25,9 +25,9 @@
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision: 1.1 $
* $Revision: 1.2 $
* $Author: ariadne $
* $Date: 1999/04/02 21:42:06 $
* $Date: 1999/04/14 07:10:15 $
*
*/
@ -56,10 +56,13 @@ typedef struct _heapinfo
} _HEAPINFO;
int _heapwalk (_HEAPINFO* pHeapinfo);
void * _alloca(size_t size);
#ifndef _NO_OLDNAMES
int heapwalk (_HEAPINFO* pHeapinfo);
#define heapwalk(x) _heapwalk(x)
#define alloca(s) _alloca(s)
#endif /* Not _NO_OLDNAMES */
#ifdef __cplusplus

View file

@ -18,9 +18,9 @@
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision: 1.3 $
* $Revision: 1.4 $
* $Author: ariadne $
* $Date: 1999/04/02 21:42:06 $
* $Date: 1999/04/14 07:10:15 $
*
*/
#ifndef _LINUX_CTYPE_H
@ -127,10 +127,10 @@ int __iscsymf (int c); /* Valid first character in C symbol */
int __iscsym (int c); /* Valid character in C symbol (after first) */
#ifndef _NO_OLDNAMES
int isascii (int c);
int toascii (int c);
int iscsymf (int c);
int iscsym (int c);
#define isascii(c) __isascii(c)
#define toascii(c) _toascii(c)
#define iscsymf(c) __iscsymf(c)
#define iscsym(c) __iscsym(c)
#endif /* Not _NO_OLDNAMES */
#endif /* Not __STRICT_ANSI__ */

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@ -27,9 +27,9 @@
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision: 1.3 $
* $Revision: 1.4 $
* $Author: ariadne $
* $Date: 1999/04/02 21:42:06 $
* $Date: 1999/04/14 07:10:15 $
*
*/
@ -182,7 +182,10 @@ double _scalb (double x, long n);
int _finite (double x);
int _fpclass (double x);
int _isnan (double x);
int _isinf (double x); // not exported
#define isnan(x) _isnan(x)
#define isinf(x) _isinf(x)
#endif /* Not __STRICT_ANSI__ */

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@ -55,11 +55,6 @@ time_t FileTimeToUnixTime( const FILETIME *filetime, DWORD *remainder );
#ifndef __dj_ENFORCE_FUNCTION_CALLS
#endif /* !__dj_ENFORCE_FUNCTION_CALLS */
#ifdef __cplusplus
}
#endif
#endif /* __dj_include_libc_file_h__ */
#define __FILE_REC_MAX 20
typedef struct __file_rec
@ -71,3 +66,13 @@ typedef struct __file_rec
extern __file_rec *__file_rec_list;
#ifdef __cplusplus
}
#endif
#endif /* __dj_include_libc_file_h__ */

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@ -0,0 +1,27 @@
#ifndef _MBCTYPE_H
#define _MBCTYPE_H
#ifdef __cplusplus
extern "C" {
#endif
#define _MS 0x01
#define _MP 0x02
#define _M1 0x04
#define _M2 0x08
#define _MBC_SINGLE 0
#define _MBC_LEAD 1
#define _MBC_TRAIL 2
#define _MBC_ILLEGAL -1
#define _MB_CP_SBCS 0
#define _MB_CP_OEM -2
#define _MB_CP_ANSI -3
#define _MB_CP_LOCALE -4
#ifdef __cplusplus
}
#endif
#endif

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@ -0,0 +1,103 @@
#ifndef _MBSTRING_H_
#define _MBSTRING_H_
#ifdef __cplusplus
extern "C" {
#endif
int _mbbtype(unsigned char c, int type);
int _mbsbtype( const unsigned char *str, size_t n );
unsigned int _mbbtombc(unsigned int c);
unsigned int _mbctombb(unsigned int c);
unsigned char * _mbscat(unsigned char *dst, const unsigned char *src);
unsigned char * _mbschr(const unsigned char *str, unsigned int c);
int _mbscmp(const unsigned char *, const unsigned char *);
int _mbscoll(const unsigned char *, const unsigned char *);
unsigned char * _mbscpy(unsigned char *, const unsigned char *);
size_t _mbscspn(const unsigned char *, const unsigned char *);
unsigned char * _mbsdup(const unsigned char *str);
int _mbsicmp(const unsigned char *, const unsigned char *);
int _mbsicoll(const unsigned char *, const unsigned char *);
size_t _mbslen(const unsigned char *str);
unsigned char * _mbsncat(unsigned char *, const unsigned char *, size_t);
unsigned char * _mbsnbcat(unsigned char *, const unsigned char *, size_t);
int _mbsncmp(const unsigned char *, const unsigned char *, size_t);
int _mbsnbcmp(const unsigned char *, const unsigned char *, size_t);
int _mbsncoll(const unsigned char *, const unsigned char *, size_t);
int _mbsnbcoll(const unsigned char *, const unsigned char *, size_t);
unsigned char * _mbsncpy(unsigned char *, const unsigned char *, size_t);
unsigned char * _mbsnbcpy(unsigned char *, const unsigned char *, size_t);
int _mbsnicmp(const unsigned char *, const unsigned char *, size_t);
int _mbsnbicmp(const unsigned char *, const unsigned char *, size_t);
int _mbsnicoll(const unsigned char *, const unsigned char *, size_t);
int _mbsnbicoll(const unsigned char *, const unsigned char *, size_t);
unsigned char * _mbsnset(unsigned char *, unsigned int, size_t);
unsigned char * _mbsnbset(unsigned char *, unsigned int, size_t);
size_t _mbsnccnt(const unsigned char *, size_t);
unsigned char * _mbspbrk(const unsigned char *, const unsigned char *);
unsigned char * _mbsrchr(const unsigned char *, unsigned int);
unsigned char * _mbsrev(unsigned char *);
unsigned char * _mbsset(unsigned char *, unsigned int);
size_t _mbsspn(const unsigned char *, const unsigned char *);
unsigned char * _mbsstr(const unsigned char *, const unsigned char *);
unsigned char * _mbstok(unsigned char *, const unsigned char *);
unsigned char * _mbslwr(unsigned char *str);
unsigned char * _mbsupr(unsigned char *str);
size_t _mbclen(const unsigned char *);
void _mbccpy(unsigned char *, const unsigned char *);
/* tchar routines */
unsigned char * _mbsdec(const unsigned char *, const unsigned char *);
unsigned char * _mbsinc(const unsigned char *);
size_t _mbsnbcnt(const unsigned char *, size_t);
unsigned int _mbsnextc (const unsigned char *);
unsigned char * _mbsninc(const unsigned char *, size_t);
unsigned char * _mbsspnp(const unsigned char *, const unsigned char *);
/* character routines */
int _ismbcalnum(unsigned int c);
int _ismbcalpha(unsigned int c);
int _ismbcdigit(unsigned int c);
int _ismbcgraph(unsigned int c);
int _ismbclegal(unsigned int c);
int _ismbclower(unsigned int c);
int _ismbcprint(unsigned int c);
int _ismbcpunct(unsigned int c);
int _ismbcspace(unsigned int c);
int _ismbcupper(unsigned int c);
unsigned int _mbctolower(unsigned int);
unsigned int _mbctoupper(unsigned int);
int _ismbblead( unsigned int c);
int _ismbbtrail( unsigned int c);
int _ismbslead( const unsigned char *s, const unsigned char *c);
int _ismbstrail( const unsigned char *s, const unsigned char *c);
#ifdef __cplusplus
}
#endif
#endif

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@ -0,0 +1,46 @@
/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef _SETJMP_H_
#define _SETJMP_H_
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
unsigned long eax;
unsigned long ebx;
unsigned long ecx;
unsigned long edx;
unsigned long esi;
unsigned long edi;
unsigned long ebp;
unsigned long esp;
unsigned long eip;
unsigned short es;
unsigned short fs;
unsigned short gs;
unsigned short ss;
} jmp_buf[1];
extern int _setjmp(jmp_buf);
extern void longjmp(jmp_buf, int);
#define setjmp(jmp_buf) _setjmp(jmp_buf)
#ifdef __cplusplus
}
#endif
#endif

View file

@ -22,9 +22,9 @@
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision: 1.6 $
* $Author: dwelch $
* $Date: 1999/04/14 00:46:22 $
* $Revision: 1.7 $
* $Author: ariadne $
* $Date: 1999/04/14 07:10:15 $
*
*/
/* Appropriated for Reactos Crtdll by Ariadne */
@ -42,6 +42,7 @@ extern "C" {
#define __need_size_t
#define __need_NULL
#define __need_wchar_t
#define __need_wint_t
#include <crtdll/stddef.h>
@ -85,6 +86,7 @@ typedef struct {
int _ungotchar;
int _bufsiz;
char *_name_to_remove;
int _fillsize;
} FILE;
#define _FILE_DEFINED
#endif
@ -241,9 +243,13 @@ int puts (const char* szOutput);
int ungetc (int c, FILE* fileWasRead);
/* Wide character versions */
int fgetwc (FILE* fileRead);
int fputwc (wchar_t wc, FILE* fileWrite);
int ungetwc (wchar_t wc, FILE* fileWasRead);
wint_t fgetwc (FILE* fileRead);
wint_t fputwc (wchar_t wc, FILE* fileWrite);
wint_t getwc(FILE *fileRead); // not exported
wint_t ungetwc (wchar_t wc, FILE* fileWasRead);
wint_t _filwbuf(FILE *f);
wint_t _flswbuf(wchar_t c, FILE *f);
/*
* Not exported by CRTDLL.DLL included for reference purposes.

View file

@ -18,9 +18,9 @@
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision: 1.3 $
* $Revision: 1.4 $
* $Author: ariadne $
* $Date: 1999/04/02 21:42:06 $
* $Date: 1999/04/14 07:10:15 $
*
*/
/* Appropriated for Reactos Crtdll by Ariadne */
@ -53,6 +53,8 @@ extern char*** _environ_dll;
#define __need_NULL
#include <crtdll/stddef.h>
#include <crtdll/mbstring.h>
#ifndef __ATTRIB_NORETURN
#ifdef __GNUC__
#define _ATTRIB_NORETURN __attribute__ ((noreturn))
@ -168,6 +170,14 @@ char* _fullpath (char* caBuf, const char* szPath, size_t sizeMax);
void _swab (const char* caFrom, char* caTo, size_t sizeToCopy);
unsigned int _rotl( unsigned int value, int shift );
unsigned int _rotr( unsigned int value, int shift );
unsigned long _lrotl( unsigned long value, int shift );
unsigned long _lrotr( unsigned long value, int shift );
#ifndef _NO_OLDNAMES
#define beep _beep
#define seterrormode _seterrormode

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@ -18,19 +18,15 @@
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision: 1.2 $
* $Revision: 1.3 $
* $Author: ariadne $
* $Date: 1999/04/03 10:41:29 $
* $Date: 1999/04/14 07:10:15 $
*
*/
/* Appropriated for Reactos Crtdll by Ariadne */
/* changed prototype for _strerror */
/* moved prototype for swab from string.h to stdlib.h */
#ifndef _LINUX_WSTRING_H_
#define _LINUX_WSTRING_H_
#ifndef _LINUX_STRING_H_
#define _LINUX_STRING_H_
#ifndef _STRING_H_
#define _STRING_H_
@ -189,736 +185,8 @@ wchar_t* wcsupr (wchar_t* wsToConvert);
#endif /* Not _NO_OLDNAMES */
#endif /* Not strict ANSI */
#if 0
/*
* Include machine specific inline routines
*/
#ifndef _I386_STRING_H_
#define _I386_STRING_H_
/*
* On a 486 or Pentium, we are better off not using the
* byte string operations. But on a 386 or a PPro the
* byte string ops are faster than doing it by hand
* (MUCH faster on a Pentium).
*
* Also, the byte strings actually work correctly. Forget
* the i486 routines for now as they may be broken..
*/
#if FIXED_486_STRING && (CPU == 486 || CPU == 586)
#include <crtdll/asm/string-486.h>
#else
/*
* This string-include defines all string functions as inline
* functions. Use gcc. It also assumes ds=es=data space, this should be
* normal. Most of the string-functions are rather heavily hand-optimized,
* see especially strtok,strstr,str[c]spn. They should work, but are not
* very easy to understand. Everything is done entirely within the register
* set, making the functions fast and clean. String instructions have been
* used through-out, making for "slightly" unclear code :-)
*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
#define __HAVE_ARCH_STRCPY
extern inline char * strcpy(char * dest,const char *src)
{
__asm__ __volatile__(
"cld\n"
"1:\tlodsb\n\t"
"stosb\n\t"
"testb %%al,%%al\n\t"
"jne 1b"
: /* no output */
:"S" (src),"D" (dest):"si","di","ax","memory");
return dest;
}
#define __HAVE_ARCH_STRNCPY
extern inline char * strncpy(char * dest,const char *src,size_t count)
{
__asm__ __volatile__(
"cld\n"
"1:\tdecl %2\n\t"
"js 2f\n\t"
"lodsb\n\t"
"stosb\n\t"
"testb %%al,%%al\n\t"
"jne 1b\n\t"
"rep\n\t"
"stosb\n"
"2:"
: /* no output */
:"S" (src),"D" (dest),"c" (count):"si","di","ax","cx","memory");
return dest;
}
#define __HAVE_ARCH_STRCAT
extern inline char * strcat(char * dest,const char * src)
{
__asm__ __volatile__(
"cld\n\t"
"repne\n\t"
"scasb\n\t"
"decl %1\n"
"1:\tlodsb\n\t"
"stosb\n\t"
"testb %%al,%%al\n\t"
"jne 1b"
: /* no output */
:"S" (src),"D" (dest),"a" (0),"c" (0xffffffff):"si","di","ax","cx");
return dest;
}
#define __HAVE_ARCH_STRNCAT
extern inline char * strncat(char * dest,const char * src,size_t count)
{
__asm__ __volatile__(
"cld\n\t"
"repne\n\t"
"scasb\n\t"
"decl %1\n\t"
"movl %4,%3\n"
"1:\tdecl %3\n\t"
"js 2f\n\t"
"lodsb\n\t"
"stosb\n\t"
"testb %%al,%%al\n\t"
"jne 1b\n"
"2:\txorl %2,%2\n\t"
"stosb"
: /* no output */
:"S" (src),"D" (dest),"a" (0),"c" (0xffffffff),"g" (count)
:"si","di","ax","cx","memory");
return dest;
}
#define __HAVE_ARCH_STRCMP
extern inline int strcmp(const char * cs,const char * ct)
{
register int __res;
__asm__ __volatile__(
"cld\n"
"1:\tlodsb\n\t"
"scasb\n\t"
"jne 2f\n\t"
"testb %%al,%%al\n\t"
"jne 1b\n\t"
"xorl %%eax,%%eax\n\t"
"jmp 3f\n"
"2:\tsbbl %%eax,%%eax\n\t"
"orb $1,%%eax\n"
"3:"
:"=a" (__res):"S" (cs),"D" (ct):"si","di");
return __res;
}
#define __HAVE_ARCH_STRNCMP
extern inline int strncmp(const char * cs,const char * ct,size_t count)
{
register int __res;
__asm__ __volatile__(
"cld\n"
"1:\tdecl %3\n\t"
"js 2f\n\t"
"lodsb\n\t"
"scasb\n\t"
"jne 3f\n\t"
"testb %%al,%%al\n\t"
"jne 1b\n"
"2:\txorl %%eax,%%eax\n\t"
"jmp 4f\n"
"3:\tsbbl %%eax,%%eax\n\t"
"orb $1,%%al\n"
"4:"
:"=a" (__res):"S" (cs),"D" (ct),"c" (count):"si","di","cx");
return __res;
}
#define __HAVE_ARCH_STRCHR
extern inline char * strchr(const char * s, int c)
{
register char * __res;
__asm__ __volatile__(
"cld\n\t"
"movb %%al,%%ah\n"
"1:\tlodsb\n\t"
"cmpb %%ah,%%al\n\t"
"je 2f\n\t"
"testb %%al,%%al\n\t"
"jne 1b\n\t"
"movl $1,%1\n"
"2:\tmovl %1,%0\n\t"
"decl %0"
:"=a" (__res):"S" (s),"0" (c):"si");
return __res;
}
#define __HAVE_ARCH_STRRCHR
extern inline char * strrchr(const char * s, int c)
{
register char * __res;
__asm__ __volatile__(
"cld\n\t"
"movb %%al,%%ah\n"
"1:\tlodsb\n\t"
"cmpb %%ah,%%al\n\t"
"jne 2f\n\t"
"leal -1(%%esi),%0\n"
"2:\ttestb %%al,%%al\n\t"
"jne 1b"
:"=d" (__res):"0" (0),"S" (s),"a" (c):"ax","si");
return __res;
}
#define __HAVE_ARCH_STRSPN
extern inline size_t strspn(const char * cs, const char * ct)
{
register char * __res;
__asm__ __volatile__(
"cld\n\t"
"movl %4,%%edi\n\t"
"repne\n\t"
"scasb\n\t"
"notl %%ecx\n\t"
"decl %%ecx\n\t"
"movl %%ecx,%%edx\n"
"1:\tlodsb\n\t"
"testb %%al,%%al\n\t"
"je 2f\n\t"
"movl %4,%%edi\n\t"
"movl %%edx,%%ecx\n\t"
"repne\n\t"
"scasb\n\t"
"je 1b\n"
"2:\tdecl %0"
:"=S" (__res):"a" (0),"c" (0xffffffff),"0" (cs),"g" (ct)
:"ax","cx","dx","di");
return __res-cs;
}
#define __HAVE_ARCH_STRCSPN
extern inline size_t strcspn(const char * cs, const char * ct)
{
register char * __res;
__asm__ __volatile__(
"cld\n\t"
"movl %4,%%edi\n\t"
"repne\n\t"
"scasb\n\t"
"notl %%ecx\n\t"
"decl %%ecx\n\t"
"movl %%ecx,%%edx\n"
"1:\tlodsb\n\t"
"testb %%al,%%al\n\t"
"je 2f\n\t"
"movl %4,%%edi\n\t"
"movl %%edx,%%ecx\n\t"
"repne\n\t"
"scasb\n\t"
"jne 1b\n"
"2:\tdecl %0"
:"=S" (__res):"a" (0),"c" (0xffffffff),"0" (cs),"g" (ct)
:"ax","cx","dx","di");
return __res-cs;
}
#define __HAVE_ARCH_STRPBRK
extern inline char * strpbrk(const char * cs,const char * ct)
{
register char * __res;
__asm__ __volatile__(
"cld\n\t"
"movl %4,%%edi\n\t"
"repne\n\t"
"scasb\n\t"
"notl %%ecx\n\t"
"decl %%ecx\n\t"
"movl %%ecx,%%edx\n"
"1:\tlodsb\n\t"
"testb %%al,%%al\n\t"
"je 2f\n\t"
"movl %4,%%edi\n\t"
"movl %%edx,%%ecx\n\t"
"repne\n\t"
"scasb\n\t"
"jne 1b\n\t"
"decl %0\n\t"
"jmp 3f\n"
"2:\txorl %0,%0\n"
"3:"
:"=S" (__res):"a" (0),"c" (0xffffffff),"0" (cs),"g" (ct)
:"ax","cx","dx","di");
return __res;
}
#define __HAVE_ARCH_STRSTR
extern inline char * strstr(const char * cs,const char * ct)
{
register char * __res;
__asm__ __volatile__(
"cld\n\t" \
"movl %4,%%edi\n\t"
"repne\n\t"
"scasb\n\t"
"notl %%ecx\n\t"
"decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
"movl %%ecx,%%edx\n"
"1:\tmovl %4,%%edi\n\t"
"movl %%esi,%%eax\n\t"
"movl %%edx,%%ecx\n\t"
"repe\n\t"
"cmpsb\n\t"
"je 2f\n\t" /* also works for empty string, see above */
"xchgl %%eax,%%esi\n\t"
"incl %%esi\n\t"
"cmpb $0,-1(%%eax)\n\t"
"jne 1b\n\t"
"xorl %%eax,%%eax\n\t"
"2:"
:"=a" (__res):"0" (0),"c" (0xffffffff),"S" (cs),"g" (ct)
:"cx","dx","di","si");
return __res;
}
#define __HAVE_ARCH_STRLEN
extern inline size_t strlen(const char * s)
{
register int __res;
__asm__ __volatile__(
"cld\n\t"
"repne\n\t"
"scasb\n\t"
"notl %0\n\t"
"decl %0"
:"=c" (__res):"D" (s),"a" (0),"0" (0xffffffff):"di");
return __res;
}
#define __HAVE_ARCH_STRTOK
extern inline char * strtok(char * s,const char * ct)
{
register char * __res;
__asm__ __volatile__(
"testl %1,%1\n\t"
"jne 1f\n\t"
"testl %0,%0\n\t"
"je 8f\n\t"
"movl %0,%1\n"
"1:\txorl %0,%0\n\t"
"movl $-1,%%ecx\n\t"
"xorl %%eax,%%eax\n\t"
"cld\n\t"
"movl %4,%%edi\n\t"
"repne\n\t"
"scasb\n\t"
"notl %%ecx\n\t"
"decl %%ecx\n\t"
"je 7f\n\t" /* empty delimiter-string */
"movl %%ecx,%%edx\n"
"2:\tlodsb\n\t"
"testb %%al,%%al\n\t"
"je 7f\n\t"
"movl %4,%%edi\n\t"
"movl %%edx,%%ecx\n\t"
"repne\n\t"
"scasb\n\t"
"je 2b\n\t"
"decl %1\n\t"
"cmpb $0,(%1)\n\t"
"je 7f\n\t"
"movl %1,%0\n"
"3:\tlodsb\n\t"
"testb %%al,%%al\n\t"
"je 5f\n\t"
"movl %4,%%edi\n\t"
"movl %%edx,%%ecx\n\t"
"repne\n\t"
"scasb\n\t"
"jne 3b\n\t"
"decl %1\n\t"
"cmpb $0,(%1)\n\t"
"je 5f\n\t"
"movb $0,(%1)\n\t"
"incl %1\n\t"
"jmp 6f\n"
"5:\txorl %1,%1\n"
"6:\tcmpb $0,(%0)\n\t"
"jne 7f\n\t"
"xorl %0,%0\n"
"7:\ttestl %0,%0\n\t"
"jne 8f\n\t"
"movl %0,%1\n"
"8:"
:"=b" (__res),"=S" (___strtok)
:"0" (___strtok),"1" (s),"g" (ct)
:"ax","cx","dx","di","memory");
return __res;
}
#define __HAVE_ARCH_STRICMP
extern inline int stricmp(const char* cs,const char * ct)
{
register int __res;
__asm__ __volatile__(
"cld\n"
"1:\tmovb (%%esi), %%eax\n\t"
"movb (%%edi), %%dl \n\t"
"cmpb $0x5A, %%al\n\t"
"ja 2f\t\n"
"cmpb $0x40, %%al\t\n"
"jbe 2f\t\n"
"addb $0x20, %%al\t\n"
"2:\t cmpb $0x5A, %%dl\t\n"
"ja 3f\t\n"
"cmpb $0x40, %%dl\t\n"
"jbe 3f\t\n"
"addb $0x20, %%dl\t\n"
"3:\t inc %%esi\t\n"
"inc %%edi\t\n"
"cmpb %%al, %%dl\t\n"
"jne 4f\n\t"
"cmpb $00, %%al\n\t"
"jne 1b\n\t"
"xorl %%eax,%%eax\n\t"
"jmp 5f\n"
"4:\tsbbl %%eax,%%eax\n\t"
"orb $1,%%eax\n"
"5:"
:"=a" (__res):"S" (cs),"D" (ct):"si","di");
return __res;
}
#define __HAVE_ARCH_STRNICMP
extern inline int strnicmp(const char* cs,const char * ct, size_t count)
{
register int __res;
__asm__ __volatile__(
"cld\n"
"1:\t decl %3\n\t"
"js 6f\n\t"
"movb (%%esi), %%al\n\t"
"movb (%%edi), %%dl \n\t"
"cmpb $0x5A, %%al\n\t"
"ja 2f\t\n"
"cmpb $0x40, %%al\t\n"
"jbe 2f\t\n"
"addb $0x20, %%al\t\n"
"2:\t cmpb $0x5A, %%dl\t\n"
"ja 3f\t\n"
"cmpb $0x40, %%dl\t\n"
"jbe 3f\t\n"
"addb $0x20, %%dl\t\n"
"3:\t inc %%esi\t\n"
"inc %%edi\t\n"
"cmpb %%al, %%dl\t\n"
"jne 4f\n\t"
"cmpb $00, %%al\n\t"
"jne 1b\n\t"
"6:xorl %%eax,%%eax\n\t"
"jmp 5f\n"
"4:\tsbbl %%eax,%%eax\n\t"
"orb $1,%%eax\n"
"5:"
:"=a" (__res):"S" (cs),"D" (ct), "c" (count):"si","di", "cx");
return __res;
}
extern inline void * __memcpy(void * to, const void * from, size_t n)
{
__asm__ __volatile__(
"cld\n\t"
"rep ; movsl\n\t"
"testb $2,%b1\n\t"
"je 1f\n\t"
"movsw\n"
"1:\ttestb $1,%b1\n\t"
"je 2f\n\t"
"movsb\n"
"2:"
: /* no output */
:"c" (n/4), "q" (n),"D" ((long) to),"S" ((long) from)
: "cx","di","si","memory");
return (to);
}
/*
* This looks horribly ugly, but the compiler can optimize it totally,
* as the count is constant.
*/
extern inline void * __constant_memcpy(void * to, const void * from, size_t n)
{
switch (n) {
case 0:
return to;
case 1:
*(unsigned char *)to = *(const unsigned char *)from;
return to;
case 2:
*(unsigned short *)to = *(const unsigned short *)from;
return to;
case 3:
*(unsigned short *)to = *(const unsigned short *)from;
*(2+(unsigned char *)to) = *(2+(const unsigned char *)from);
return to;
case 4:
*(unsigned long *)to = *(const unsigned long *)from;
return to;
case 8:
*(unsigned long *)to = *(const unsigned long *)from;
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
return to;
case 12:
*(unsigned long *)to = *(const unsigned long *)from;
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
*(2+(unsigned long *)to) = *(2+(const unsigned long *)from);
return to;
case 16:
*(unsigned long *)to = *(const unsigned long *)from;
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
*(2+(unsigned long *)to) = *(2+(const unsigned long *)from);
*(3+(unsigned long *)to) = *(3+(const unsigned long *)from);
return to;
case 20:
*(unsigned long *)to = *(const unsigned long *)from;
*(1+(unsigned long *)to) = *(1+(const unsigned long *)from);
*(2+(unsigned long *)to) = *(2+(const unsigned long *)from);
*(3+(unsigned long *)to) = *(3+(const unsigned long *)from);
*(4+(unsigned long *)to) = *(4+(const unsigned long *)from);
return to;
}
#define COMMON(x) \
__asm__("cld\n\t" \
"rep ; movsl" \
x \
: /* no outputs */ \
: "c" (n/4),"D" ((long) to),"S" ((long) from) \
: "cx","di","si","memory");
switch (n % 4) {
case 0: COMMON(""); return to;
case 1: COMMON("\n\tmovsb"); return to;
case 2: COMMON("\n\tmovsw"); return to;
case 3: COMMON("\n\tmovsw\n\tmovsb"); return to;
}
#undef COMMON
}
#define __HAVE_ARCH_MEMCPY
#define memcpy(t, f, n) \
(__builtin_constant_p(n) ? \
__constant_memcpy((t),(f),(n)) : \
__memcpy((t),(f),(n)))
#define __HAVE_ARCH_MEMMOVE
extern inline void * memmove(void * dest,const void * src, size_t n)
{
if (dest<src)
__asm__ __volatile__(
"cld\n\t"
"rep\n\t"
"movsb"
: /* no output */
:"c" (n),"S" (src),"D" (dest)
:"cx","si","di");
else
__asm__ __volatile__(
"std\n\t"
"rep\n\t"
"movsb\n\t"
"cld"
: /* no output */
:"c" (n),
"S" (n-1+(const char *)src),
"D" (n-1+(char *)dest)
:"cx","si","di","memory");
return dest;
}
#define memcmp __builtin_memcmp
#define __HAVE_ARCH_MEMCHR
extern inline void * memchr(const void * cs,int c,size_t count)
{
register void * __res;
if (!count)
return NULL;
__asm__ __volatile__(
"cld\n\t"
"repne\n\t"
"scasb\n\t"
"je 1f\n\t"
"movl $1,%0\n"
"1:\tdecl %0"
:"=D" (__res):"a" (c),"D" (cs),"c" (count)
:"cx");
return __res;
}
extern inline void * __memset_generic(void * s, char c,size_t count)
{
__asm__ __volatile__(
"cld\n\t"
"rep\n\t"
"stosb"
: /* no output */
:"a" (c),"D" (s),"c" (count)
:"cx","di","memory");
return s;
}
/* we might want to write optimized versions of these later */
#define __constant_count_memset(s,c,count) __memset_generic((s),(c),(count))
/*
* memset(x,0,y) is a reasonably common thing to do, so we want to fill
* things 32 bits at a time even when we don't know the size of the
* area at compile-time..
*/
extern inline void * __constant_c_memset(void * s, unsigned long c, size_t count)
{
__asm__ __volatile__(
"cld\n\t"
"rep ; stosl\n\t"
"testb $2,%b1\n\t"
"je 1f\n\t"
"stosw\n"
"1:\ttestb $1,%b1\n\t"
"je 2f\n\t"
"stosb\n"
"2:"
: /* no output */
:"a" (c), "q" (count), "c" (count/4), "D" ((long) s)
:"cx","di","memory");
return (s);
}
/* Added by Gertjan van Wingerde to make minix and sysv module work */
#define __HAVE_ARCH_STRNLEN
extern inline size_t strnlen(const char * s, size_t count)
{
register int __res;
__asm__ __volatile__(
"movl %1,%0\n\t"
"jmp 2f\n"
"1:\tcmpb $0,(%0)\n\t"
"je 3f\n\t"
"incl %0\n"
"2:\tdecl %2\n\t"
"cmpl $-1,%2\n\t"
"jne 1b\n"
"3:\tsubl %1,%0"
:"=a" (__res)
:"c" (s),"d" (count)
:"dx");
return __res;
}
/* end of additional stuff */
/*
* This looks horribly ugly, but the compiler can optimize it totally,
* as we by now know that both pattern and count is constant..
*/
extern inline void * __constant_c_and_count_memset(void * s, unsigned long pattern, size_t count)
{
switch (count) {
case 0:
return s;
case 1:
*(unsigned char *)s = pattern;
return s;
case 2:
*(unsigned short *)s = pattern;
return s;
case 3:
*(unsigned short *)s = pattern;
*(2+(unsigned char *)s) = pattern;
return s;
case 4:
*(unsigned long *)s = pattern;
return s;
}
#define COMMON(x) \
__asm__("cld\n\t" \
"rep ; stosl" \
x \
: /* no outputs */ \
: "a" (pattern),"c" (count/4),"D" ((long) s) \
: "cx","di","memory")
switch (count % 4) {
case 0: COMMON(""); return s;
case 1: COMMON("\n\tstosb"); return s;
case 2: COMMON("\n\tstosw"); return s;
case 3: COMMON("\n\tstosw\n\tstosb"); return s;
}
#undef COMMON
}
#define __constant_c_x_memset(s, c, count) \
(__builtin_constant_p(count) ? \
__constant_c_and_count_memset((s),(c),(count)) : \
__constant_c_memset((s),(c),(count)))
#define __memset(s, c, count) \
(__builtin_constant_p(count) ? \
__constant_count_memset((s),(c),(count)) : \
__memset_generic((s),(c),(count)))
#define __HAVE_ARCH_MEMSET
#define memset(s, c, count) \
(__builtin_constant_p(c) ? \
__constant_c_x_memset((s),(0x01010101UL*(unsigned char)c),(count)) : \
__memset((s),(c),(count)))
/*
* find the first occurrence of byte 'c', or 1 past the area if none
*/
#define __HAVE_ARCH_MEMSCAN
extern inline void * memscan(void * addr, int c, size_t size)
{
if (!size)
return addr;
__asm__("cld
repnz; scasb
jnz 1f
dec %%edi
1: "
: "=D" (addr), "=c" (size)
: "0" (addr), "1" (size), "a" (c));
return addr;
}
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif /* _STRING_H_ */
#endif
#endif
extern "C" }
#endif