diff options
Diffstat (limited to 'libc/misc/ctype.c')
| -rw-r--r-- | libc/misc/ctype.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/libc/misc/ctype.c b/libc/misc/ctype.c new file mode 100644 index 0000000..1514668 --- /dev/null +++ b/libc/misc/ctype.c @@ -0,0 +1,68 @@ +/* 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.C Character classification and conversion + */ + +#include <ctype.h> + +#undef toupper +#undef tolower + +unsigned char _ctype[128] = +{ + __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 */ +}; + +int toupper(c) +int c; +{ + return(islower(c) ? (c ^ 0x20) : (c)); +} + +int tolower(c) +int c; +{ + return(isupper(c) ? (c ^ 0x20) : (c)); +} |