diff options
Diffstat (limited to 'libc/sysdeps')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/uClibc_charclass.h | 40 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/bits/uClibc_ctype.h | 60 |
2 files changed, 48 insertions, 52 deletions
diff --git a/libc/sysdeps/linux/common/bits/uClibc_charclass.h b/libc/sysdeps/linux/common/bits/uClibc_charclass.h new file mode 100644 index 000000000..50df539b9 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/uClibc_charclass.h @@ -0,0 +1,40 @@ +/* Copyright (C) 2008 Denys Vlasenko <vda.linux@googlemail.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + */ + +#ifndef _BITS_UCLIBC_CHARCLASS_H +#define _BITS_UCLIBC_CHARCLASS_H + +/* Taking advantage of the C99 mutual-exclusion guarantees for the various + * (w)ctype classes, including the descriptions of printing and control + * (w)chars, we can place each in one of the following mutually-exlusive + * subsets. Since there are less than 16, we can store the data for + * each (w)chars in a nibble. In contrast, glibc uses an unsigned int + * per (w)char, with one bit flag for each is* type. While this allows + * a simple '&' operation to determine the type vs. a range test and a + * little special handling for the "blank" and "xdigit" types in my + * approach, it also uses 8 times the space for the tables on the typical + * 32-bit archs we supported.*/ +enum { + __CTYPE_unclassified = 0, + __CTYPE_alpha_nonupper_nonlower, + __CTYPE_alpha_lower, + __CTYPE_alpha_upper_lower, + __CTYPE_alpha_upper, + __CTYPE_digit, + __CTYPE_punct, + __CTYPE_graph, + __CTYPE_print_space_nonblank, + __CTYPE_print_space_blank, + __CTYPE_space_nonblank_noncntrl, + __CTYPE_space_blank_noncntrl, + __CTYPE_cntrl_space_nonblank, + __CTYPE_cntrl_space_blank, + __CTYPE_cntrl_nonspace +}; + +#endif diff --git a/libc/sysdeps/linux/common/bits/uClibc_ctype.h b/libc/sysdeps/linux/common/bits/uClibc_ctype.h index 76c658afa..3c07b5799 100644 --- a/libc/sysdeps/linux/common/bits/uClibc_ctype.h +++ b/libc/sysdeps/linux/common/bits/uClibc_ctype.h @@ -31,57 +31,15 @@ #error Always include <{w}ctype.h> rather than <bits/uClibc_ctype.h> #endif -#ifndef _BITS_CTYPE_H -#define _BITS_CTYPE_H +#ifndef _BITS_UCLIBC_CTYPE_H +#define _BITS_UCLIBC_CTYPE_H #ifdef __UCLIBC_GEN_LOCALE +/* We are in extra/locale/gen_XXX tools build */ -/* Taking advantage of the C99 mutual-exclusion guarantees for the various - * (w)ctype classes, including the descriptions of printing and control - * (w)chars, we can place each in one of the following mutually-exlusive - * subsets. Since there are less than 16, we can store the data for - * each (w)chars in a nibble. In contrast, glibc uses an unsigned int - * per (w)char, with one bit flag for each is* type. While this allows - * a simple '&' operation to determine the type vs. a range test and a - * little special handling for the "blank" and "xdigit" types in my - * approach, it also uses 8 times the space for the tables on the typical - * 32-bit archs we supported.*/ -enum { - __CTYPE_unclassified = 0, - __CTYPE_alpha_nonupper_nonlower, - __CTYPE_alpha_lower, - __CTYPE_alpha_upper_lower, - __CTYPE_alpha_upper, - __CTYPE_digit, - __CTYPE_punct, - __CTYPE_graph, - __CTYPE_print_space_nonblank, - __CTYPE_print_space_blank, - __CTYPE_space_nonblank_noncntrl, - __CTYPE_space_blank_noncntrl, - __CTYPE_cntrl_space_nonblank, - __CTYPE_cntrl_space_blank, - __CTYPE_cntrl_nonspace -}; - -/* Some macros that test for various (w)ctype classes when passed one of the - * designator values enumerated above. */ -#define __CTYPE_isalnum(D) ((unsigned int)(D-1) <= (__CTYPE_digit-1)) -#define __CTYPE_isalpha(D) ((unsigned int)(D-1) <= (__CTYPE_alpha_upper-1)) -#define __CTYPE_isblank(D) \ - ((((unsigned int)(D - __CTYPE_print_space_nonblank)) <= 5) && (D & 1)) -#define __CTYPE_iscntrl(D) (((unsigned int)(D - __CTYPE_cntrl_space_nonblank)) <= 2) -#define __CTYPE_isdigit(D) (D == __CTYPE_digit) -#define __CTYPE_isgraph(D) ((unsigned int)(D-1) <= (__CTYPE_graph-1)) -#define __CTYPE_islower(D) (((unsigned int)(D - __CTYPE_alpha_lower)) <= 1) -#define __CTYPE_isprint(D) ((unsigned int)(D-1) <= (__CTYPE_print_space_blank-1)) -#define __CTYPE_ispunct(D) (D == __CTYPE_punct) -#define __CTYPE_isspace(D) (((unsigned int)(D - __CTYPE_print_space_nonblank)) <= 5) -#define __CTYPE_isupper(D) (((unsigned int)(D - __CTYPE_alpha_upper_lower)) <= 1) -/* #define __CTYPE_isxdigit(D) -- isxdigit is untestable this way. - * But that's ok as isxdigit() (and isdigit() too) are locale-invariant. */ - -#else /* __UCLIBC_GEN_LOCALE *****************************************/ +#include "uClibc_charclass.h" + +#else /* !__UCLIBC_GEN_LOCALE */ /* Define some ctype macros valid for the C/POSIX locale. */ @@ -238,15 +196,13 @@ __END_DECLS #define tolower(c) __tolower(c) #define toupper(c) __toupper(c) - #endif -#else /* _GNUC__ ***************************************************/ +#else /* !_GNUC__ */ #if !defined __NO_CTYPE && !defined __cplusplus /* These macros should be safe from side effects. */ - #define isdigit(c) __C_isdigit(c) #define isalpha(c) __C_isalpha(c) #define isprint(c) __C_isprint(c) @@ -261,4 +217,4 @@ __END_DECLS #endif /* __UCLIBC_GEN_LOCALE */ -#endif /* _BITS_CTYPE_H */ +#endif /* _BITS_UCLIBC_CTYPE_H */ |