#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
#if defined (HAVE_STDLIB_H)
# include <stdlib.h>
#else
# include "ansi_stdlib.h"
#endif
#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)
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
int
_rl_init_eightbit ()
{
#if defined (HAVE_SETLOCALE)
char *t;
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
char *lspec, *t;
int i;
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
}
#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;
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;
}
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++;
if (language == cp)
{
*lenp = strlen (language);
result = language;
}
else
{
if (*cp == '_')
do
++cp;
while (*cp && *cp != '.' && *cp != '@' && *cp != '+' && *cp != ',' && *cp != '_');
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