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fold: unicode support. Based on a patch by Tomas Heinrich <heinrich.tomas@gmail.com>

Browse source 
General Unicode support is tweaked to expose unicode_status.

function                                             old     new   delta
init_unicode                                           -      77     +77
write2stdout                                           -      19     +19
adjust_column                                         68      71      +3
unicode_status                                         -       1      +1
unicode_is_enabled                                     1       -      -1
grep_main                                            780     773      -7
fold_main                                            619     552     -67
check_unicode_in_env                                  77       -     -77
------------------------------------------------------------------------------
(add/remove: 3/2 grow/shrink: 1/2 up/down: 100/-152)          Total: -52 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-01-04 20:49:58 +01:00
parent d2b1ba6fde
commit 28055028a7
11 changed files with 185 additions and 107 deletions
Download patch file Download diff file Expand all files Collapse all files

18
include/unicode.h
View file

@ -5,10 +5,17 @@
#ifndef UNICODE_H
#define UNICODE_H 1
enum {
UNICODE_UNKNOWN = 0,
UNICODE_OFF = 1,
UNICODE_ON = 2,
};
#if !ENABLE_FEATURE_ASSUME_UNICODE
# define bb_mbstrlen(string) strlen(string)
# define check_unicode_in_env() ((void)0)
# define unicode_status UNICODE_OFF
# define init_unicode() ((void)0)
#else
@ -18,16 +25,19 @@ size_t bb_mbstrlen(const char *string) FAST_FUNC;
# include <wchar.h>
# include <wctype.h>
# define check_unicode_in_env() ((void)0)
extern uint8_t unicode_status;
void init_unicode(void) FAST_FUNC;
# else
/* Crude "locale support" which knows only C and Unicode locales */
# if !ENABLE_FEATURE_CHECK_UNICODE_IN_ENV
# define check_unicode_in_env() ((void)0)
# define unicode_status UNICODE_ON
# define init_unicode() ((void)0)
# else
void check_unicode_in_env(void) FAST_FUNC;
extern uint8_t unicode_status;
void init_unicode(void) FAST_FUNC;
# endif
# undef MB_CUR_MAX