2008-11-06 Chao-ying Fu <fu@mips.com>

[deliverable/binutils-gdb.git] / readline / util.c

diff --git a/readline/util.c b/readline/util.c
index 1dc3b664f1cde0c08340ab784801c42f2798093f..e44ef64349d4037239d56c5758688602e689b686 100644 (file)
--- a/readline/util.c
+++ b/readline/util.c
@@ -1,13 +1,13 @@
 /* util.c -- readline utility functions */
 
 /* util.c -- readline utility functions */
 

-/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2005 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
 
    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 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
    (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,
    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)
 #define READLINE_LIBRARY
 
 #if defined (HAVE_CONFIG_H)


@@ -44,6 +44,7 @@
 
 /* System-specific feature definitions and include files. */
 #include "rldefs.h"
 
 /* System-specific feature definitions and include files. */
 #include "rldefs.h"

+#include "rlmbutil.h"

 
 #if defined (TIOCSTAT_IN_SYS_IOCTL)
 #  include <sys/ioctl.h>
 
 #if defined (TIOCSTAT_IN_SYS_IOCTL)
 #  include <sys/ioctl.h>


@@ -52,24 +53,8 @@
 /* Some standard library routines. */
 #include "readline.h"
 
 /* Some standard library routines. */
 #include "readline.h"
 

-#define SWAP(s, e)  do { int t; t = s; s = e; e = t; } while (0)
-
-/* Pseudo-globals imported from readline.c */
-extern int readline_echoing_p;
-extern procenv_t readline_top_level;
-extern int rl_line_buffer_len;
-extern Function *rl_last_func;
-
-extern int _rl_defining_kbd_macro;
-extern char *_rl_executing_macro;
-
-/* Pseudo-global functions imported from other library files. */
-extern void _rl_replace_text ();
-extern void _rl_pop_executing_macro ();
-extern void _rl_set_the_line ();
-extern void _rl_init_argument ();
-
-extern char *xmalloc (), *xrealloc ();
+#include "rlprivate.h"
+#include "xmalloc.h"

 
 /* **************************************************************** */
 /*                                                                 */
 
 /* **************************************************************** */
 /*                                                                 */


@@ -81,10 +66,10 @@ extern char *xmalloc (), *xrealloc ();
    in words, or 1 if it is. */
 
 int _rl_allow_pathname_alphabetic_chars = 0;
    in words, or 1 if it is. */
 
 int _rl_allow_pathname_alphabetic_chars = 0;

-static char *pathname_alphabetic_chars = "/-_=~.#$";
+static const char *pathname_alphabetic_chars = "/-_=~.#$";

 
 int
 
 int

-alphabetic (c)
+rl_alphabetic (c)

      int c;
 {
   if (ALPHABETIC (c))
      int c;
 {
   if (ALPHABETIC (c))


@@ -94,20 +79,36 @@ alphabetic (c)
            strchr (pathname_alphabetic_chars, c) != NULL);
 }
 
            strchr (pathname_alphabetic_chars, c) != NULL);
 }
 

+#if defined (HANDLE_MULTIBYTE)
+int
+_rl_walphabetic (wc)
+     wchar_t wc;
+{
+  int c;
+
+  if (iswalnum (wc))
+    return (1);     
+
+  c = wc & 0177;
+  return (_rl_allow_pathname_alphabetic_chars &&
+           strchr (pathname_alphabetic_chars, c) != NULL);
+}
+#endif
+

 /* How to abort things. */
 int
 _rl_abort_internal ()
 {
 /* How to abort things. */
 int
 _rl_abort_internal ()
 {

-  ding ();
+  rl_ding ();

   rl_clear_message ();
   rl_clear_message ();

-  _rl_init_argument ();
-  rl_pending_input = 0;
+  _rl_reset_argument ();
+  rl_clear_pending_input ();

 
 

-  _rl_defining_kbd_macro = 0;
-  while (_rl_executing_macro)
+  RL_UNSETSTATE (RL_STATE_MACRODEF);
+  while (rl_executing_macro)

     _rl_pop_executing_macro ();
 
     _rl_pop_executing_macro ();
 

-  rl_last_func = (Function *)NULL;
+  rl_last_func = (rl_command_func_t *)NULL;

   longjmp (readline_top_level, 1);
   return (0);
 }
   longjmp (readline_top_level, 1);
   return (0);
 }


@@ -127,7 +128,7 @@ rl_tty_status (count, key)
   ioctl (1, TIOCSTAT, (char *)0);
   rl_refresh_line (count, key);
 #else
   ioctl (1, TIOCSTAT, (char *)0);
   rl_refresh_line (count, key);
 #else

-  ding ();
+  rl_ding ();

 #endif
   return 0;
 }
 #endif
   return 0;
 }


@@ -146,7 +147,7 @@ rl_copy_text (from, to)
     SWAP (from, to);
 
   length = to - from;
     SWAP (from, to);
 
   length = to - from;

-  copy = xmalloc (1 + length);
+  copy = (char *)xmalloc (1 + length);

   strncpy (copy, rl_line_buffer + from, length);
   copy[length] = '\0';
   return (copy);
   strncpy (copy, rl_line_buffer + from, length);
   copy[length] = '\0';
   return (copy);


@@ -161,7 +162,7 @@ rl_extend_line_buffer (len)
   while (len >= rl_line_buffer_len)
     {
       rl_line_buffer_len += DEFAULT_BUFFER_SIZE;
   while (len >= rl_line_buffer_len)
     {
       rl_line_buffer_len += DEFAULT_BUFFER_SIZE;

-      rl_line_buffer = xrealloc (rl_line_buffer, rl_line_buffer_len);
+      rl_line_buffer = (char *)xrealloc (rl_line_buffer, rl_line_buffer_len);

     }
 
   _rl_set_the_line ();
     }
 
   _rl_set_the_line ();


@@ -207,7 +208,7 @@ rl_tilde_expand (ignore, key)
   if (rl_line_buffer[start] == '~')
     {
       len = end - start + 1;
   if (rl_line_buffer[start] == '~')
     {
       len = end - start + 1;

-      temp = xmalloc (len + 1);
+      temp = (char *)xmalloc (len + 1);

       strncpy (temp, rl_line_buffer + start, len);
       temp[len] = '\0';
       homedir = tilde_expand (temp);
       strncpy (temp, rl_line_buffer + start, len);
       temp[len] = '\0';
       homedir = tilde_expand (temp);


@@ -229,16 +230,51 @@ rl_tilde_expand (ignore, key)
    match in s1.  The compare is case insensitive. */
 char *
 _rl_strindex (s1, s2)
    match in s1.  The compare is case insensitive. */
 char *
 _rl_strindex (s1, s2)

-     register char *s1, *s2;
+     register const char *s1, *s2;

 {
   register int i, l, len;
 
   for (i = 0, l = strlen (s2), len = strlen (s1); (len - i) >= l; i++)
     if (_rl_strnicmp (s1 + i, s2, l) == 0)
 {
   register int i, l, len;
 
   for (i = 0, l = strlen (s2), len = strlen (s1); (len - i) >= l; i++)
     if (_rl_strnicmp (s1 + i, s2, l) == 0)

-      return (s1 + i);
+      return ((char *) (s1 + i));

   return ((char *)NULL);
 }
 
   return ((char *)NULL);
 }
 

+#ifndef HAVE_STRPBRK
+/* Find the first occurrence in STRING1 of any character from STRING2.
+   Return a pointer to the character in STRING1. */
+char *
+_rl_strpbrk (string1, string2)
+     const char *string1, *string2;
+{
+  register const char *scan;
+#if defined (HANDLE_MULTIBYTE)
+  mbstate_t ps;
+  register int i, v;
+
+  memset (&ps, 0, sizeof (mbstate_t));
+#endif
+
+  for (; *string1; string1++)
+    {
+      for (scan = string2; *scan; scan++)
+       {
+         if (*string1 == *scan)
+           return ((char *)string1);
+       }
+#if defined (HANDLE_MULTIBYTE)
+      if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+       {
+         v = _rl_get_char_len (string1, &ps);
+         if (v > 1)
+           string1 += v - 1;   /* -1 to account for auto-increment in loop */
+       }
+#endif
+    }
+  return ((char *)NULL);
+}
+#endif
+

 #if !defined (HAVE_STRCASECMP)
 /* Compare at most COUNT characters from string1 to string2.  Case
    doesn't matter. */
 #if !defined (HAVE_STRCASECMP)
 /* Compare at most COUNT characters from string1 to string2.  Case
    doesn't matter. */


@@ -297,69 +333,23 @@ _rl_qsort_string_compare (s1, s2)
 #endif
 }
 
 #endif
 }
 

-/* Function equivalents for the macros defined in chartypes.h. */
-#undef _rl_uppercase_p
-int
-_rl_uppercase_p (c)
-     int c;
-{
-  return (isupper (c));
-}
-
-#undef _rl_lowercase_p
-int
-_rl_lowercase_p (c)
-     int c;
-{
-  return (islower (c));
-}
-
-#undef _rl_pure_alphabetic
-int
-_rl_pure_alphabetic (c)
-     int c;
-{
-  return (isupper (c) || islower (c));
-}
-
-#undef _rl_digit_p
-int
-_rl_digit_p (c)
-     int c;
-{
-  return (isdigit (c));
-}
+/* Function equivalents for the macros defined in chardefs.h. */
+#define FUNCTION_FOR_MACRO(f)  int (f) (c) int c; { return f (c); }

 
 

-#undef _rl_to_lower
-int
-_rl_to_lower (c)
-     int c;
-{
-  return (isupper (c) ? tolower (c) : c);
-}
-
-#undef _rl_to_upper
-int
-_rl_to_upper (c)
-     int c;
-{
-  return (islower (c) ? toupper (c) : c);
-}
-
-#undef _rl_digit_value
-int
-_rl_digit_value (c)
-     int c;
-{
-  return (isdigit (c) ? c - '0' : c);
-}
+FUNCTION_FOR_MACRO (_rl_digit_p)
+FUNCTION_FOR_MACRO (_rl_digit_value)
+FUNCTION_FOR_MACRO (_rl_lowercase_p)
+FUNCTION_FOR_MACRO (_rl_pure_alphabetic)
+FUNCTION_FOR_MACRO (_rl_to_lower)
+FUNCTION_FOR_MACRO (_rl_to_upper)
+FUNCTION_FOR_MACRO (_rl_uppercase_p)

 
 /* Backwards compatibility, now that savestring has been removed from
    all `public' readline header files. */
 #undef _rl_savestring
 char *
 _rl_savestring (s)
 
 /* Backwards compatibility, now that savestring has been removed from
    all `public' readline header files. */
 #undef _rl_savestring
 char *
 _rl_savestring (s)

-     char *s;
+     const char *s;

 {
 {

-  return ((char *)strcpy (xmalloc (1 + (int)strlen (s)), (s)));
+  return (strcpy ((char *)xmalloc (1 + (int)strlen (s)), (s)));

 }
 }