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Diffstat (limited to 'readline-4.3/nls.c')
| -rw-r--r-- | readline-4.3/nls.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/readline-4.3/nls.c b/readline-4.3/nls.c deleted file mode 100644 index 706c819..0000000 --- a/readline-4.3/nls.c +++ /dev/null @@ -1,225 +0,0 @@ -/* nls.c -- skeletal internationalization code. */ - -/* Copyright (C) 1996 Free Software Foundation, Inc. - - This file is part of the GNU Readline Library, a library for - reading lines of text with interactive input and history editing. - - The GNU Readline Library is free software; you can redistribute it - and/or modify it under the terms of the GNU General Public License - as published by the Free Software Foundation; either version 2, or - (at your option) any later version. - - The GNU Readline Library is distributed in the hope that it will be - useful, but WITHOUT ANY WARRANTY; without even the implied warranty - of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - The GNU General Public License is often shipped with GNU software, and - is generally kept in a file called COPYING or LICENSE. If you do not - have a copy of the license, write to the Free Software Foundation, - 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ -#define READLINE_LIBRARY - -#if defined (HAVE_CONFIG_H) -# include <config.h> -#endif - -#include <sys/types.h> - -#include <stdio.h> - -#if defined (HAVE_UNISTD_H) -# include <unistd.h> -#endif /* HAVE_UNISTD_H */ - -#if defined (HAVE_STDLIB_H) -# include <stdlib.h> -#else -# include "ansi_stdlib.h" -#endif /* HAVE_STDLIB_H */ - -#if defined (HAVE_LOCALE_H) -# include <locale.h> -#endif - -#include <ctype.h> - -#include "rldefs.h" -#include "readline.h" -#include "rlshell.h" -#include "rlprivate.h" - -#if !defined (HAVE_SETLOCALE) -/* A list of legal values for the LANG or LC_CTYPE environment variables. - If a locale name in this list is the value for the LC_ALL, LC_CTYPE, - or LANG environment variable (using the first of those with a value), - readline eight-bit mode is enabled. */ -static char *legal_lang_values[] = -{ - "iso88591", - "iso88592", - "iso88593", - "iso88594", - "iso88595", - "iso88596", - "iso88597", - "iso88598", - "iso88599", - "iso885910", - "koi8r", - 0 -}; - -static char *normalize_codeset PARAMS((char *)); -static char *find_codeset PARAMS((char *, size_t *)); -#endif /* !HAVE_SETLOCALE */ - -/* Check for LC_ALL, LC_CTYPE, and LANG and use the first with a value - to decide the defaults for 8-bit character input and output. Returns - 1 if we set eight-bit mode. */ -int -_rl_init_eightbit () -{ -/* If we have setlocale(3), just check the current LC_CTYPE category - value, and go into eight-bit mode if it's not C or POSIX. */ -#if defined (HAVE_SETLOCALE) - char *t; - - /* Set the LC_CTYPE locale category from environment variables. */ - t = setlocale (LC_CTYPE, ""); - if (t && *t && (t[0] != 'C' || t[1]) && (STREQ (t, "POSIX") == 0)) - { - _rl_meta_flag = 1; - _rl_convert_meta_chars_to_ascii = 0; - _rl_output_meta_chars = 1; - return (1); - } - else - return (0); - -#else /* !HAVE_SETLOCALE */ - char *lspec, *t; - int i; - - /* We don't have setlocale. Finesse it. Check the environment for the - appropriate variables and set eight-bit mode if they have the right - values. */ - lspec = sh_get_env_value ("LC_ALL"); - if (lspec == 0) lspec = sh_get_env_value ("LC_CTYPE"); - if (lspec == 0) lspec = sh_get_env_value ("LANG"); - if (lspec == 0 || (t = normalize_codeset (lspec)) == 0) - return (0); - for (i = 0; t && legal_lang_values[i]; i++) - if (STREQ (t, legal_lang_values[i])) - { - _rl_meta_flag = 1; - _rl_convert_meta_chars_to_ascii = 0; - _rl_output_meta_chars = 1; - break; - } - free (t); - return (legal_lang_values[i] ? 1 : 0); - -#endif /* !HAVE_SETLOCALE */ -} - -#if !defined (HAVE_SETLOCALE) -static char * -normalize_codeset (codeset) - char *codeset; -{ - size_t namelen, i; - int len, all_digits; - char *wp, *retval; - - codeset = find_codeset (codeset, &namelen); - - if (codeset == 0) - return (codeset); - - all_digits = 1; - for (len = 0, i = 0; i < namelen; i++) - { - if (ISALNUM ((unsigned char)codeset[i])) - { - len++; - all_digits &= _rl_digit_p (codeset[i]); - } - } - - retval = (char *)malloc ((all_digits ? 3 : 0) + len + 1); - if (retval == 0) - return ((char *)0); - - wp = retval; - /* Add `iso' to beginning of an all-digit codeset */ - if (all_digits) - { - *wp++ = 'i'; - *wp++ = 's'; - *wp++ = 'o'; - } - - for (i = 0; i < namelen; i++) - if (ISALPHA ((unsigned char)codeset[i])) - *wp++ = _rl_to_lower (codeset[i]); - else if (_rl_digit_p (codeset[i])) - *wp++ = codeset[i]; - *wp = '\0'; - - return retval; -} - -/* Isolate codeset portion of locale specification. */ -static char * -find_codeset (name, lenp) - char *name; - size_t *lenp; -{ - char *cp, *language, *result; - - cp = language = name; - result = (char *)0; - - while (*cp && *cp != '_' && *cp != '@' && *cp != '+' && *cp != ',') - cp++; - - /* This does not make sense: language has to be specified. As - an exception we allow the variable to contain only the codeset - name. Perhaps there are funny codeset names. */ - if (language == cp) - { - *lenp = strlen (language); - result = language; - } - else - { - /* Next is the territory. */ - if (*cp == '_') - do - ++cp; - while (*cp && *cp != '.' && *cp != '@' && *cp != '+' && *cp != ',' && *cp != '_'); - - /* Now, finally, is the codeset. */ - result = cp; - if (*cp == '.') - do - ++cp; - while (*cp && *cp != '@'); - - if (cp - result > 2) - { - result++; - *lenp = cp - result; - } - else - { - *lenp = strlen (language); - result = language; - } - } - - return result; -} -#endif /* !HAVE_SETLOCALE */ |