fns_str.h

用于嵌入式系统的TCP/IP协议栈及若干服务

/*
*            Copyright (c) 1998-2001 by NETsilicon Inc.
*
*  This software is copyrighted by and is the sole property of
*  NETsilicon.  All rights, title, ownership, or other interests
*  in the software remain the property of NETsilicon.  This
*  software may only be used in accordance with the corresponding
*  license agreement.  Any unauthorized use, duplication, transmission,
*  distribution, or disclosure of this software is expressly forbidden.
*
*  This Copyright notice may not be removed or modified without prior
*  written consent of NETsilicon.
*
*  NETsilicon, reserves the right to modify this software
*  without notice.
*
*  NETsilicon
*  411 Waverley Oaks Road                  USA 781.647.1234
*  Suite 227                               http://www.netsilicon.com
*  Waltham, MA 02452                       [e-mail]
*
*************************************************************************
*  $Name: Fusion 6.52 Fusion 6.51 $
*  $Date: 2001/09/20 10:58:00 $
*  $Source: M:/psisrc/clib/incl/rcs/fns_str.h $
*  $Revision: 1.14 $
**************************************************************************
*  File Description:  String manipulation routine declarations and macros
**************************************************************************/

#ifndef _FNS_STR_
#define _FNS_STR_

#include <std.h>

import  char
		* fns_strcat(char * s1, const char * s2),
		* fns_strncat(char * s1, const char * s2, int n),
		* fns_strcpy(char * s1, const char * s2),
		* fns_strncpy(char * s1, const char * s2, int n),
		* fns_strchr(const char * s, char c),
		* fns_strrchr(const char * s, char c),
		* fns_strpbrk(const char * s1, const char * s2),
		* fns_strtok(char * s1, const char * s2),
        * fns_strdup(const char * s1);

import int fns_sprintf (char * string, const char * fmt, ...);

import  int fns_strcmp(const char * s1, const char * s2),
		    fns_strncmp(const char * s1, const char * s2, int n),
            fns_strcmpi(const char *s1, const char *s2),
            fns_strncmpi(const char *s1, const char *s2, int n);

import unsigned int		fns_strlen(const char * s);  

import int 	fns_strspn(const char * s1, const char * s2),
		    fns_strcspn(const char * s1, const char * s2);

import long fns_strtol(char * str, char ** ptr, int base);

import int fns_strfneql(char *, char *, int);

#ifdef USE_FUSION_STRINGLIB
/* Even if you use the Fusion string library you can still individually
   redefine functions.
*/

#ifndef OS_STRCAT
#define OS_STRCAT		fns_strcat
#endif
#ifndef OS_STRNCAT
#define OS_STRNCAT		fns_strncat
#endif
#ifndef OS_STRCPY
#define OS_STRCPY		fns_strcpy
#endif
#ifndef OS_STRNCPY
#define OS_STRNCPY		fns_strncpy
#endif
#ifndef OS_STRCHR
#define OS_STRCHR		fns_strchr
#endif
#ifndef OS_STRRCHR
#define OS_STRRCHR      fns_strrchr
#endif
#ifndef OS_STRPBRK
#define OS_STRPBRK		fns_strpbrk
#endif
#ifndef OS_STRTOK
#define OS_STRTOK		fns_strtok
#endif
#ifndef OS_STRCMP
#define OS_STRCMP		fns_strcmp
#endif
#ifndef OS_STRNCMP		
#define OS_STRNCMP		fns_strncmp
#endif
#ifndef OS_STRCMPI
#define OS_STRCMPI      fns_strcmpi
#endif
#ifndef OS_STRNCMPI
#define OS_STRNCMPI     fns_strncmpi
#endif
#ifndef OS_STRLEN
#define OS_STRLEN		fns_strlen
#endif
#ifndef OS_STRSPN
#define OS_STRSPN		fns_strspn
#endif
#ifndef OS_STRCSPN
#define OS_STRCSPN		fns_strcspn
#endif
#ifndef OS_STRTOL
#define OS_STRTOL		fns_strtol
#endif
#ifndef OS_SPRINTF
#define OS_SPRINTF      fns_sprintf
#endif
#ifndef OS_STRDUP
#define OS_STRDUP       fns_strdup
#endif
#ifndef OS_STRFNEQL
#define OS_STRFNEQL     fns_strfneql
#endif

/* Macros for character classification etc. */

/* isdigit, islower, etc. will eventually be moved to a global Fusion
   include file.
*/
#define	_fns_within(v1,ch,v2)	(((unsigned)(ch) - v1) <= (v2 - v1))

#ifndef OS_ISDIGIT
#define	OS_ISDIGIT(ch)          _fns_within('0', ch, '9')
#endif

#ifndef OS_ISASCII
#define	OS_ISASCII(ch)	        ((unsigned)(ch) <= 0177)
#endif

#define __FNS_BLANKCHAR	        (u8)' '	/* space character value 32 */
#define __FNS_TABCHAR		    (u8)'\t'

#ifndef OS_ISSPACE
#define OS_ISSPACE(ch)	        ((ch == __FNS_BLANKCHAR) || (ch == __FNS_TABCHAR))
#endif

#ifndef OS_ISLOWER
#define OS_ISLOWER(ch)          _fns_within('a', ch, 'z')
#endif

#ifndef OS_ISUPPER
#define OS_ISUPPER(ch)          _fns_within('A', ch, 'Z')
#endif

#ifndef OS_ISALPHA
#define OS_ISALPHA(ch)         (OS_ISUPPER(ch) || OS_ISLOWER(ch))
#endif

#ifndef OS_ISXDIGIT
#define OS_ISXDIGIT(ch)         (_fns_within('0', ch, '9') \
                                || _fns_within('a',ch,'f') || \
                                _fns_within('A',ch,'F'))
#endif

#ifndef OS_TOLOWER
#define OS_TOLOWER(ch)          (OS_ISUPPER(ch) ? ((ch) + ('a' - 'A')) : (ch))
#endif
#ifndef OS_TOUPPER
#define OS_TOUPPER(ch)          (OS_ISLOWER(ch) ? ((ch) - ('a' - 'A')) : (ch))
#endif

#else /* If not using Fusion string library, then either use the compiler C runtime versions
		 or define custom ones.  NOTE: Some do not have ANSI equivalents and so are still
		 defined to fns_ versions unless you define your own.  See the corresponding files
		 in the Fusion/clib directory.
	  */
#ifndef OS_STRCAT
#define OS_STRCAT		strcat
#endif
#ifndef OS_STRNCAT
#define OS_STRNCAT		strncat
#endif
#ifndef OS_STRCPY
#define OS_STRCPY		strcpy
#endif
#ifndef OS_STRNCPY
#define OS_STRNCPY		strncpy
#endif
#ifndef OS_STRCHR
#define OS_STRCHR		strchr
#endif
#ifndef OS_STRRCHR
#define OS_STRRCHR      strrchr
#endif
#ifndef OS_STRPBRK
#define OS_STRPBRK		strpbrk
#endif
#ifndef OS_STRTOK
#define OS_STRTOK		strtok
#endif
#ifndef OS_STRCMP
#define OS_STRCMP		strcmp
#endif
#ifndef OS_STRNCMP
#define OS_STRNCMP		strncmp
#endif
#ifndef OS_STRCMPI
#define OS_STRCMPI      strcmpi
#endif
#ifndef OS_STRNCMPI
#define OS_STRNCMPI     strncmpi
#endif
#ifndef OS_STRLEN
#define OS_STRLEN		strlen
#endif
#ifndef OS_STRSPN
#define OS_STRSPN		strspn
#endif
#ifndef OS_STRCSPN
#define OS_STRCSPN		strcspn
#endif
#ifndef OS_STRTOL
#define OS_STRTOL		strtol
#endif
#ifndef OS_SPRINTF
#define OS_SPRINTF      sprintf
#endif
#ifndef OS_STRDUP
#define OS_STRDUP       strdup
#endif

#define OS_ISALPHA		isalpha
#define	OS_ISDIGIT      isdigit
#define OS_ISXDIGIT     isxdigit
#define	OS_ISASCII      isascii
#define OS_ISSPACE      isspace
#define OS_ISLOWER      islower
#define OS_ISUPPER      isupper
#define OS_TOLOWER      tolower
#define OS_TOUPPER      toupper

#endif





#endif /* _FNS_STRING_ */