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Diffstat (limited to 'cpp/cygwin.c')
| -rw-r--r-- | cpp/cygwin.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/cpp/cygwin.c b/cpp/cygwin.c new file mode 100644 index 0000000..5cb6e39 --- /dev/null +++ b/cpp/cygwin.c @@ -0,0 +1,99 @@ +/* Copyright (C) 1995,1996 Robert de Bath <rdebath@cix.compulink.co.uk> + * This file is part of the Linux-8086 C library and is distributed + * under the GNU Library General Public License. + */ + +/* + * CTYPE Character classification and conversion + */ + +/* + * I've copied this here from the bcc libs because cygwin's version has + * the _very_ silly feature of using _P as a private library constant. + * + * Single underscore variables are generally used for private variables + * in user libraries; the few stdio ones being 'leftovers' from version7 + * where user and system libraries were one and the same. + * + */ +#ifndef __CTYPE_H +#define __CTYPE_H + +static unsigned char __ctype[]; + +#define __CT_d 0x01 /* numeric digit */ +#define __CT_u 0x02 /* upper case */ +#define __CT_l 0x04 /* lower case */ +#define __CT_c 0x08 /* control character */ +#define __CT_s 0x10 /* whitespace */ +#define __CT_p 0x20 /* punctuation */ +#define __CT_x 0x40 /* hexadecimal */ + +/* Define these as simple old style ascii versions */ +#define toupper(c) (((c)>='a'&&(c)<='z') ? (c)^0x20 : (c)) +#define tolower(c) (((c)>='A'&&(c)<='Z') ? (c)^0x20 : (c)) +#define _toupper(c) ((c)^0x20) +#define _tolower(c) ((c)^0x20) +#define toascii(c) ((c)&0x7F) + +#define __CT(c) (__ctype[1+(unsigned char)c]) + +/* Note the '!!' is a cast to 'bool' and even BCC deletes it in an if() */ +#define isalnum(c) (!!(__CT(c)&(__CT_u|__CT_l|__CT_d))) +#define isalpha(c) (!!(__CT(c)&(__CT_u|__CT_l))) +#define isascii(c) (!((c)&~0x7F)) +#define iscntrl(c) (!!(__CT(c)&__CT_c)) +#define isdigit(c) (!!(__CT(c)&__CT_d)) +#define isgraph(c) (!(__CT(c)&(__CT_c|__CT_s))) +#define islower(c) (!!(__CT(c)&__CT_l)) +#define isprint(c) (!(__CT(c)&__CT_c)) +#define ispunct(c) (!!(__CT(c)&__CT_p)) +#define isspace(c) (!!(__CT(c)&__CT_s)) +#define isupper(c) (!!(__CT(c)&__CT_u)) +#define isxdigit(c) (!!(__CT(c)&__CT_x)) + +static unsigned char __ctype[257] = +{ + 0, /* -1 */ + __CT_c, __CT_c, __CT_c, __CT_c, /* 0x00..0x03 */ + __CT_c, __CT_c, __CT_c, __CT_c, /* 0x04..0x07 */ + __CT_c, __CT_c|__CT_s, __CT_c|__CT_s, __CT_c|__CT_s, /* 0x08..0x0B */ + __CT_c|__CT_s, __CT_c|__CT_s, __CT_c, __CT_c, /* 0x0C..0x0F */ + + __CT_c, __CT_c, __CT_c, __CT_c, /* 0x10..0x13 */ + __CT_c, __CT_c, __CT_c, __CT_c, /* 0x14..0x17 */ + __CT_c, __CT_c, __CT_c, __CT_c, /* 0x18..0x1B */ + __CT_c, __CT_c, __CT_c, __CT_c, /* 0x1C..0x1F */ + + __CT_s, __CT_p, __CT_p, __CT_p, /* 0x20..0x23 */ + __CT_p, __CT_p, __CT_p, __CT_p, /* 0x24..0x27 */ + __CT_p, __CT_p, __CT_p, __CT_p, /* 0x28..0x2B */ + __CT_p, __CT_p, __CT_p, __CT_p, /* 0x2C..0x2F */ + + __CT_d|__CT_x, __CT_d|__CT_x, __CT_d|__CT_x, __CT_d|__CT_x,/* 0x30..0x33 */ + __CT_d|__CT_x, __CT_d|__CT_x, __CT_d|__CT_x, __CT_d|__CT_x,/* 0x34..0x37 */ + __CT_d|__CT_x, __CT_d|__CT_x, __CT_p, __CT_p, /* 0x38..0x3B */ + __CT_p, __CT_p, __CT_p, __CT_p, /* 0x3C..0x3F */ + + __CT_p, __CT_u|__CT_x, __CT_u|__CT_x, __CT_u|__CT_x, /* 0x40..0x43 */ + __CT_u|__CT_x, __CT_u|__CT_x, __CT_u|__CT_x, __CT_u, /* 0x44..0x47 */ + __CT_u, __CT_u, __CT_u, __CT_u, /* 0x48..0x4B */ + __CT_u, __CT_u, __CT_u, __CT_u, /* 0x4C..0x4F */ + + __CT_u, __CT_u, __CT_u, __CT_u, /* 0x50..0x53 */ + __CT_u, __CT_u, __CT_u, __CT_u, /* 0x54..0x57 */ + __CT_u, __CT_u, __CT_u, __CT_p, /* 0x58..0x5B */ + __CT_p, __CT_p, __CT_p, __CT_p, /* 0x5C..0x5F */ + + __CT_p, __CT_l|__CT_x, __CT_l|__CT_x, __CT_l|__CT_x, /* 0x60..0x63 */ + __CT_l|__CT_x, __CT_l|__CT_x, __CT_l|__CT_x, __CT_l, /* 0x64..0x67 */ + __CT_l, __CT_l, __CT_l, __CT_l, /* 0x68..0x6B */ + __CT_l, __CT_l, __CT_l, __CT_l, /* 0x6C..0x6F */ + + __CT_l, __CT_l, __CT_l, __CT_l, /* 0x70..0x73 */ + __CT_l, __CT_l, __CT_l, __CT_l, /* 0x74..0x77 */ + __CT_l, __CT_l, __CT_l, __CT_p, /* 0x78..0x7B */ + __CT_p, __CT_p, __CT_p, __CT_c /* 0x7C..0x7F */ +}; + +#endif /* __CTYPE_H */ |