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cc65/include/ctype.h
cuz f34da26dce isblank() is an official function in the C99 standard
git-svn-id: svn://svn.cc65.org/cc65/trunk@2192 b7a2c559-68d2-44c3-8de9-860c34a00d81
2003-06-03 11:53:51 +00:00

173 lines
7.5 KiB
C

/*****************************************************************************/
/* */
/* ctype.h */
/* */
/* Character handling */
/* */
/* */
/* */
/* (C) 1998-2000 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef _CTYPE_H
#define _CTYPE_H
/* The array containing character classification data */
extern unsigned char _ctype[256];
/* Bits used to specify characters classes */
#define _CT_LOWER 0x01 /* 0 - Lower case char */
#define _CT_UPPER 0x02 /* 1 - Upper case char */
#define _CT_DIGIT 0x04 /* 2 - Numeric digit */
#define _CT_XDIGIT 0x08 /* 3 - Hex digit (both, lower and upper) */
#define _CT_CNTRL 0x10 /* 4 - Control character */
#define _CT_SPACE 0x20 /* 5 - The space character itself */
#define _CT_OTHER_WS 0x40 /* 6 - Other whitespace ('\f', '\n', '\r', '\t' and '\v') */
#define _CT_SPACE_TAB 0x80 /* 7 - Space or tab character */
/* Bit combinations */
#define _CT_ALNUM (_CT_LOWER | _CT_UPPER | _CT_DIGIT)
#define _CT_ALPHA (_CT_LOWER | _CT_UPPER)
#define _CT_NOT_GRAPH (_CT_CNTRL | _CT_SPACE)
#define _CT_NOT_PRINT (_CT_CNTRL)
#define _CT_NOT_PUNCT (_CT_SPACE | _CT_CNTRL | _CT_DIGIT | _CT_UPPER | _CT_LOWER)
#define _CT_WS (_CT_SPACE | _CT_OTHER_WS)
/* Character classification functions */
int __fastcall__ isalnum (int c);
int __fastcall__ isalpha (int c);
int __fastcall__ iscntrl (int c);
int __fastcall__ isdigit (int c);
int __fastcall__ isgraph (int c);
int __fastcall__ islower (int c);
int __fastcall__ isprint (int c);
int __fastcall__ ispunct (int c);
int __fastcall__ isspace (int c);
int __fastcall__ isupper (int c);
int __fastcall__ isxdigit (int c);
int __fastcall__ isblank (int c); /* New in C99 */
int __fastcall__ toupper (int c); /* Always external */
int __fastcall__ tolower (int c); /* Always external */
/* When inlining of known function is enabled, overload most of the above
* functions by macros. The function prototypes are again available after
* #undef'ing the macros.
* Please note that the following macros do NOT handle EOF correctly, as
* stated in the manual. If you need correct behaviour for EOF, don't
* use -Os, or #undefine the following macros.
*/
#ifdef __OPT_s__
#define isalnum(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("and #%b", _CT_ALNUM), \
__AX__)
#define isalpha(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("and #%b", _CT_ALPHA), \
__AX__)
#define isblank(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("and #%b", _CT_SPACE_TAB), \
__AX__)
#define iscntrl(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("and #%b", _CT_CNTRL), \
__AX__)
#define isdigit(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("and #%b", _CT_DIGIT), \
__AX__)
#define isgraph(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("eor #%b", _CT_NOT_GRAPH), \
__asm__ ("and #%b", _CT_NOT_GRAPH), \
__AX__)
#define islower(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("and #%b", _CT_LOWER), \
__AX__)
#define isprint(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("eor #%b", _CT_NOT_PRINT), \
__asm__ ("and #%b", _CT_NOT_PRINT), \
__AX__)
#define ispunct(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("eor #%b", _CT_NOT_PUNCT), \
__asm__ ("and #%b", _CT_NOT_PUNCT), \
__AX__)
#define isspace(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("and #%b", _CT_WS), \
__AX__)
#define isupper(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("and #%b", _CT_UPPER), \
__AX__)
#define isxdigit(c) (__AX__ = (c), \
__asm__ ("tay"), \
__asm__ ("lda %v,y", _ctype), \
__asm__ ("and #%b", _CT_XDIGIT), \
__AX__)
#endif
/* End of ctype.h */
#endif