1 /* $NetBSD: multibyte.h,v 1.4 2017/11/13 01:34:59 rin Exp $ */ 2 #ifndef MULTIBYTE_H 3 #define MULTIBYTE_H 4 5 /* 6 * Ex/vi commands are generally separated by whitespace characters. We 7 * can't use the standard isspace(3) macro because it returns true for 8 * characters like ^K in the ASCII character set. The 4.4BSD isblank(3) 9 * macro does exactly what we want, but it's not portable yet. 10 * 11 * XXX 12 * Note side effect, ch is evaluated multiple times. 13 */ 14 #define ISBLANK(c) ((c) == ' ' || (c) == '\t') 15 16 #define ISDIGIT(c) ((c) >= '0' && (c) <= '9') 17 #define ISXDIGIT(c) (ISDIGIT(c) || \ 18 ((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f')) 19 #define ISALPHA(c) (((c) >= 'A' && (c) <= 'Z') || ((c) >= 'a' && (c) <= 'z')) 20 #define ISALNUM(c) (ISALPHA(c) || ISDIGIT(c)) 21 22 /* 23 * Fundamental character types. 24 * 25 * CHAR_T An integral type that can hold any character. 26 * ARG_CHAR_T The type of a CHAR_T when passed as an argument using 27 * traditional promotion rules. It should also be able 28 * to be compared against any CHAR_T for equality without 29 * problems. 30 * 31 * If no integral type can hold a character, don't even try the port. 32 */ 33 34 #ifdef USE_WIDECHAR 35 #include <wchar.h> 36 #include <wctype.h> 37 38 typedef wchar_t RCHAR_T; 39 #define REOF WEOF 40 typedef wchar_t CHAR_T; 41 typedef wint_t ARG_CHAR_T; 42 typedef wint_t UCHAR_T; 43 44 #define STRLEN wcslen 45 #define STRTOL wcstol 46 #define STRTOUL wcstoul 47 #define SPRINTF swprintf 48 #define STRCHR wcschr 49 #define STRCMP wcscmp 50 #define STRPBRK wcspbrk 51 #define ISBLANK2 iswblank 52 #define ISCNTRL iswcntrl 53 #define ISGRAPH iswgraph 54 #define ISLOWER iswlower 55 #define ISALPHA2 iswalpha 56 #define ISPUNCT iswpunct 57 #define ISSPACE iswspace 58 #define ISUPPER iswupper 59 #define TOLOWER towlower 60 #define TOUPPER towupper 61 #define STRSET wmemset 62 #define STRCHR wcschr 63 64 #define L(ch) L ## ch 65 #define WS "%ls" 66 #define WVS "%*ls" 67 #define WC "%lc" 68 69 #else 70 #include <stdio.h> 71 72 #define REOF EOF 73 typedef char CHAR_T; 74 typedef int ARG_CHAR_T; 75 typedef unsigned char UCHAR_T; 76 77 #define STRLEN strlen 78 #define STRTOL strtol 79 #define STRTOUL strtoul 80 #define SPRINTF snprintf 81 #define STRCHR strchr 82 #define STRCMP strcmp 83 #define STRPBRK strpbrk 84 #define ISBLANK2 isblank 85 #define ISCNTRL iscntrl 86 #define ISGRAPH isgraph 87 #define ISLOWER islower 88 #define ISALPHA2 isalpha 89 #define ISPUNCT ispunct 90 #define ISSPACE isspace 91 #define ISUPPER isupper 92 #define TOLOWER tolower 93 #define TOUPPER toupper 94 #define STRSET memset 95 #define STRCHR strchr 96 97 #define L(ch) ch 98 #define WS "%s" 99 #define WVS "%*s" 100 #define WC "%c" 101 102 #endif 103 104 #define MEMCMP(to, from, n) \ 105 memcmp(to, from, (n) * sizeof(*(to))) 106 #define MEMMOVE(p, t, len) memmove(p, t, (len) * sizeof(*(p))) 107 #define MEMCPY(p, t, len) memcpy(p, t, (len) * sizeof(*(p))) 108 /* 109 * Like MEMCPY but return a pointer to the end of the copied bytes. 110 * Glibc has a function mempcpy with the same purpose. 111 */ 112 #define MEMPCPY(p, t, len) \ 113 ((void *)((char *)MEMCPY(p, t, len) + (len) * sizeof(*(p)))) 114 #define SIZE(w) (sizeof(w)/sizeof(*w)) 115 116 #endif 117