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regex: The world uses utf-8

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This commit is contained in:
Carlos Martín Nieto 2012-02-18 01:01:48 +01:00
parent 4a1ecba6d9
commit 1eaecf2f18
1 changed files with 1 additions and 32 deletions
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33
deps/regex/regcomp.c vendored
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@ -840,9 +840,6 @@ static reg_errcode_t
init_dfa (re_dfa_t *dfa, size_t pat_len)
{
unsigned int table_size;
#ifndef _LIBC
char *codeset_name;
#endif
memset (dfa, '\0', sizeof (re_dfa_t));
@ -872,35 +869,7 @@ init_dfa (re_dfa_t *dfa, size_t pat_len)
dfa->map_notascii = (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MAP_TO_NONASCII)
!= 0);
#else
# ifdef HAVE_LANGINFO_CODESET
codeset_name = nl_langinfo (CODESET);
# else
codeset_name = getenv ("LC_ALL");
if (codeset_name == NULL || codeset_name[0] == '\0')
codeset_name = getenv ("LC_CTYPE");
if (codeset_name == NULL || codeset_name[0] == '\0')
codeset_name = getenv ("LANG");
if (codeset_name == NULL)
codeset_name = "";
else if (strchr (codeset_name, '.') != NULL)
codeset_name = strchr (codeset_name, '.') + 1;
# endif
/* strcasecmp isn't a standard interface. brute force check */
#if 0
if (strcasecmp (codeset_name, "UTF-8") == 0
|| strcasecmp (codeset_name, "UTF8") == 0)
dfa->is_utf8 = 1;
#else
if ( (codeset_name[0] == 'U' || codeset_name[0] == 'u')
&& (codeset_name[1] == 'T' || codeset_name[1] == 't')
&& (codeset_name[2] == 'F' || codeset_name[2] == 'f')
&& (codeset_name[3] == '-'
? codeset_name[4] == '8' && codeset_name[5] == '\0'
: codeset_name[3] == '8' && codeset_name[4] == '\0'))
dfa->is_utf8 = 1;
#endif
dfa->is_utf8 = 1;
/* We check exhaustively in the loop below if this charset is a
superset of ASCII. */
dfa->map_notascii = 0;