minix/dist/nvi/common/multibyte.h
Lionel Sambuc 3e1db26a5a Termcap update, replacing elvis by nvi.
Removing elvis, importing nvi, ctags, updating libedit.

Change-Id: I881eb04d2dc64cf112facd992de1114e1a59107f
2013-01-24 07:44:38 +01:00

108 lines
2.7 KiB
C

/* $NetBSD: multibyte.h,v 1.7 2011/11/23 15:43:39 tnozaki Exp $ */
#ifndef MULTIBYTE_H
#define MULTIBYTE_H
/*
* Ex/vi commands are generally separated by whitespace characters. We
* can't use the standard isspace(3) macro because it returns true for
* characters like ^K in the ASCII character set. The 4.4BSD isblank(3)
* macro does exactly what we want, but it's not portable yet.
*
* XXX
* Note side effect, ch is evaluated multiple times.
*/
#define ISBLANK(c) ((c) == ' ' || (c) == '\t')
#define ISDIGIT(c) ((c) >= '0' && (c) <= '9')
#define ISXDIGIT(c) (ISDIGIT(c) || \
((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f'))
#define ISALPHA(c) (((c) >= 'A' && (c) <= 'Z') || ((c) >= 'a' && (c) <= 'z'))
#define ISALNUM(c) (ISALPHA(c) || ISDIGIT(c))
/*
* Fundamental character types.
*
* CHAR_T An integral type that can hold any character.
* ARG_CHAR_T The type of a CHAR_T when passed as an argument using
* traditional promotion rules. It should also be able
* to be compared against any CHAR_T for equality without
* problems.
*
* If no integral type can hold a character, don't even try the port.
*/
#ifdef USE_WIDECHAR
#include <wchar.h>
#include <wctype.h>
typedef wchar_t RCHAR_T;
#define REOF WEOF
typedef wchar_t CHAR_T;
typedef wint_t ARG_CHAR_T;
typedef wint_t UCHAR_T;
#define STRLEN wcslen
#define STRTOL wcstol
#define STRTOUL wcstoul
#define SPRINTF swprintf
#define STRCMP wcscmp
#define STRPBRK wcspbrk
#define ISBLANK2 iswblank
#define ISCNTRL iswcntrl
#define ISGRAPH iswgraph
#define ISLOWER iswlower
#define ISPUNCT iswpunct
#define ISSPACE iswspace
#define ISUPPER iswupper
#define TOLOWER towlower
#define TOUPPER towupper
#define STRSET wmemset
#define STRCHR wcschr
#define L(ch) L ## ch
#define WS "%ls"
#define WVS "%*ls"
#define WC "%lc"
#else
#include <stdio.h>
typedef char RCHAR_T;
#define REOF EOF
typedef char CHAR_T;
typedef int ARG_CHAR_T;
typedef unsigned char UCHAR_T;
#define STRLEN strlen
#define STRTOL strtol
#define STRTOUL strtoul
#define SPRINTF snprintf
#define STRCMP strcmp
#define STRPBRK strpbrk
#define ISBLANK2 isblank
#define ISCNTRL iscntrl
#define ISGRAPH isgraph
#define ISLOWER islower
#define ISPUNCT ispunct
#define ISSPACE isspace
#define ISUPPER isupper
#define TOLOWER tolower
#define TOUPPER toupper
#define STRSET memset
#define STRCHR strchr
#define L(ch) ch
#define WS "%s"
#define WVS "%*s"
#define WC "%c"
#endif
#define MEMCMP(to, from, n) \
memcmp(to, from, (n) * sizeof(*(to)))
#define MEMMOVE(p, t, len) memmove(p, t, (len) * sizeof(*(p)))
#define MEMCPY(p, t, len) memcpy(p, t, (len) * sizeof(*(p)))
#define SIZE(w) (sizeof(w)/sizeof(*w))
#endif