Imported from ../bash-2.05.tar.gz.

[platform/upstream/bash.git] / lib / readline / nls.c

diff --git a/lib/readline/nls.c b/lib/readline/nls.c
index fad5201..f807995 100644 (file)
--- a/lib/readline/nls.c
+++ b/lib/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
@@ -18,13 +18,17 @@
    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)
 #  include <config.h>
 #endif
 
+#include <sys/types.h>
+
+#include <stdio.h>
+
 #if defined (HAVE_UNISTD_H)
 #  include <unistd.h>
 #endif /* HAVE_UNISTD_H */
@@ -42,11 +46,11 @@
 #include <ctype.h>
 
 #include "rldefs.h"
+#include "readline.h"
+#include "rlshell.h"
+#include "rlprivate.h"
 
-extern int _rl_convert_meta_chars_to_ascii;
-extern int _rl_output_meta_chars;
-extern int _rl_meta_flag;
-    
+#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),
@@ -63,12 +67,13 @@ static char *legal_lang_values[] =
  "iso88598",
  "iso88599",
  "iso885910",
- "koi8r",   
+ "koi8r",
   0
 };
 
-static char *normalize_codeset ();
-static char *find_codeset ();
+static char *normalize_codeset __P((char *));
+static char *find_codeset __P((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
@@ -76,12 +81,33 @@ static char *find_codeset ();
 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;
 
-  lspec = getenv ("LC_ALL");
-  if (lspec == 0) lspec = getenv ("LC_CTYPE");
-  if (lspec == 0) lspec = getenv ("LANG");
+  /* 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++)
@@ -90,15 +116,15 @@ _rl_init_eightbit ()
        _rl_meta_flag = 1;
        _rl_convert_meta_chars_to_ascii = 0;
        _rl_output_meta_chars = 1;
-#if defined (HAVE_SETLOCALE)
-       setlocale (LC_CTYPE, lspec);
-#endif
        break;
       }
   free (t);
   return (legal_lang_values[i] ? 1 : 0);
+
+#endif /* !HAVE_SETLOCALE */
 }
 
+#if !defined (HAVE_SETLOCALE)
 static char *
 normalize_codeset (codeset)
      char *codeset;
@@ -196,3 +222,4 @@ find_codeset (name, lenp)
 
   return result;
 }
+#endif /* !HAVE_SETLOCALE */