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