X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=readline%2Fnls.c;h=bcee87561aaa50012552da6ec6f72f53284df077;hb=b5057acde36b5a9a52e1505a29091ec17c0b6ac5;hp=f2d413d59d5a1d3a03217b598c226573c9693d2c;hpb=d0352a18a504a4e7b761f6b3264cf11347d8d056;p=deliverable%2Fbinutils-gdb.git diff --git a/readline/nls.c b/readline/nls.c index f2d413d59d..bcee87561a 100644 --- a/readline/nls.c +++ b/readline/nls.c @@ -7,7 +7,7 @@ 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 1, or + 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 @@ -18,7 +18,7 @@ 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, - 675 Mass Ave, Cambridge, MA 02139, USA. */ + 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ #define READLINE_LIBRARY #if defined (HAVE_CONFIG_H) @@ -27,6 +27,8 @@ #include +#include + #if defined (HAVE_UNISTD_H) # include #endif /* HAVE_UNISTD_H */ @@ -44,13 +46,9 @@ #include #include "rldefs.h" - -extern int _rl_convert_meta_chars_to_ascii; -extern int _rl_output_meta_chars; -extern int _rl_meta_flag; - -/* Functions imported from shell.c */ -extern char *get_env_value (); +#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. @@ -70,14 +68,30 @@ static char *legal_lang_values[] = "iso88599", "iso885910", "koi8r", - "koi8-r", 0 }; -static char *normalize_codeset (); -static char *find_codeset (); +static char *normalize_codeset PARAMS((char *)); +static char *find_codeset PARAMS((char *, size_t *)); #endif /* !HAVE_SETLOCALE */ +static char *_rl_get_locale_var PARAMS((const char *)); + +static char * +_rl_get_locale_var (v) + const char *v; +{ + char *lspec; + + lspec = sh_get_env_value ("LC_ALL"); + if (lspec == 0 || *lspec == 0) + lspec = sh_get_env_value (v); + if (lspec == 0 || *lspec == 0) + lspec = sh_get_env_value ("LANG"); + + return lspec; +} + /* 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. */ @@ -87,10 +101,21 @@ _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; + char *lspec, *t; /* Set the LC_CTYPE locale category from environment variables. */ - t = setlocale (LC_CTYPE, ""); + lspec = _rl_get_locale_var ("LC_CTYPE"); + /* Since _rl_get_locale_var queries the right environment variables, + we query the current locale settings with setlocale(), and, if + that doesn't return anything, we set lspec to the empty string to + force the subsequent call to setlocale() to define the `native' + environment. */ + if (lspec == 0 || *lspec == 0) + lspec = setlocale (LC_CTYPE, (char *)NULL); + if (lspec == 0) + lspec = ""; + t = setlocale (LC_CTYPE, lspec); + if (t && *t && (t[0] != 'C' || t[1]) && (STREQ (t, "POSIX") == 0)) { _rl_meta_flag = 1; @@ -108,9 +133,8 @@ _rl_init_eightbit () /* 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 = get_env_value ("LC_ALL"); - if (lspec == 0) lspec = get_env_value ("LC_CTYPE"); - if (lspec == 0) lspec = get_env_value ("LANG"); + lspec = _rl_get_locale_var ("LC_CTYPE"); + if (lspec == 0 || (t = normalize_codeset (lspec)) == 0) return (0); for (i = 0; t && legal_lang_values[i]; i++) @@ -144,10 +168,10 @@ normalize_codeset (codeset) all_digits = 1; for (len = 0, i = 0; i < namelen; i++) { - if (isalnum (codeset[i])) + if (ISALNUM ((unsigned char)codeset[i])) { len++; - all_digits &= isdigit (codeset[i]); + all_digits &= _rl_digit_p (codeset[i]); } } @@ -165,9 +189,9 @@ normalize_codeset (codeset) } for (i = 0; i < namelen; i++) - if (isalpha (codeset[i])) - *wp++ = (isupper (codeset[i])) ? tolower (codeset[i]) : codeset[i]; - else if (isdigit (codeset[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';