Import of readline 4.3.

Non-readline modified files:

src/gdb/ChangeLog src/gdb/defs.h src/gdb/cli/cli-cmds.c
src/gdb/cli/cli-setshow.c src/gdb/tui/ChangeLog
src/gdb/tui/tuiWin.c

In readline directory:

        * compat.c, mbutil.c, misc.c, rlmbutil.h, rltypedefs.h,
        text.c, doc/history.0, doc/history.3, support/wcwidth.c,
        examples/readlinebuf.h, examples/rlcat.c: New files.

        * CHANGELOG, CHANGES, INSTALL,  MANIFEST, Makefile.in, README,
        aclocal.m4, ansi_stdlib.h, bind.c, callback.c, chardefs.h,
        complete.c, config.h.in, configure, configure.in, display.c,
        emacs_keymap.c, funmap.c, histexpand.c, histfile.c, histlib.h,
        history.c, history.h, histsearch.c, input.c, isearch.c,
        keymaps.c, keymaps.h, kill.c, macro.c, nls.c, parens.c,
        posixdir.h, readline.c, readline.h, rlconf.h, rldefs.h,
        rlprivate.h, rlshell.h, rlstdc.h, rltty.c, savestring.c,
        search.c, shell.c, signals.c, terminal.c, tilde.c, tilde.h,
        undo.c, util.c, vi_keymap.c, vi_mode.c, xmalloc.c, xmalloc.h,
        doc/Makefile.in, doc/hist.texinfo, doc/hstech.texinfo,
        doc/hsuser.texinfo, doc/manvers.texinfo, doc/readline.3,
        doc/rlman.texinfo, doc/rltech.texinfo, doc/rluser.texinfo
        doc/rluserman.texinfo, doc/texi2dvi, doc/texi2html,
        shlib/Makefile.in, support/install.sh, support/mkdirs,
        support/mkdist, support/shlib-install, support/shobj-conf,
        examples/Inputrc, examples/Makefile.in, examples/fileman.c,
        examples/histexamp.c, examples/manexamp.c, examples/rl.c,
        examples/rlfe.c, examples/rltest.c, examples/rlversion.c:
        Modified files.

1 files changed, 54 insertions, 35 deletions

diff --git a/readline/chardefs.h b/readline/chardefs.h
index 664c1e43368..a537be220b0 100644
--- a/readline/chardefs.h
+++ b/readline/chardefs.h
@@ -27,10 +27,14 @@
 
 #if defined (HAVE_CONFIG_H)
 #  if defined (HAVE_STRING_H)
+#    if ! defined (STDC_HEADERS) && defined (HAVE_MEMORY_H)
+#      include <memory.h>
+#    endif
 #    include <string.h>
-#  else
-#    include <strings.h>
 #  endif /* HAVE_STRING_H */
+#  if defined (HAVE_STRINGS_H)
+#    include <strings.h>
+#  endif /* HAVE_STRINGS_H */
 #else
 #  include <string.h>
 #endif /* !HAVE_CONFIG_H */
@@ -40,7 +44,10 @@
 #endif
 
 #ifdef CTRL
-#undef CTRL
+#  undef CTRL
+#endif
+#ifdef UNCTRL
+#  undef UNCTRL
 #endif
 
 /* Some character stuff. */
@@ -51,7 +58,7 @@
 #define meta_character_bit 0x080	    /* x0000000, must be on. */
 #define largest_char 255		    /* Largest character value. */
 
-#define CTRL_CHAR(c) ((c) < control_character_threshold && (c) >= 0)
+#define CTRL_CHAR(c) ((c) < control_character_threshold && (((c) & 0x80) == 0))
 #define META_CHAR(c) ((c) > meta_character_threshold && (c) <= largest_char)
 
 #define CTRL(c) ((c) & control_character_mask)
@@ -60,33 +67,59 @@
 #define UNMETA(c) ((c) & (~meta_character_bit))
 #define UNCTRL(c) _rl_to_upper(((c)|control_character_bit))
 
-/* Old versions
-#define _rl_lowercase_p(c) (((c) > ('a' - 1) && (c) < ('z' + 1)))
-#define _rl_uppercase_p(c) (((c) > ('A' - 1) && (c) < ('Z' + 1)))
-#define _rl_digit_p(c)  ((c) >= '0' && (c) <= '9')
-*/
+#if defined STDC_HEADERS || (!defined (isascii) && !defined (HAVE_ISASCII))
+#  define IN_CTYPE_DOMAIN(c) 1
+#else
+#  define IN_CTYPE_DOMAIN(c) isascii(c)
+#endif
+
+#if !defined (isxdigit) && !defined (HAVE_ISXDIGIT)
+#  define isxdigit(c)   (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
+#endif
+
+#define NON_NEGATIVE(c)	((unsigned char)(c) == (c))
+
+/* Some systems define these; we want our definitions. */
+#undef ISPRINT
 
-#define _rl_lowercase_p(c) (islower(c))
-#define _rl_uppercase_p(c) (isupper(c))
-#define _rl_digit_p(x)  (isdigit (x))
+#define ISALNUM(c)	(IN_CTYPE_DOMAIN (c) && isalnum (c))
+#define ISALPHA(c)	(IN_CTYPE_DOMAIN (c) && isalpha (c))
+#define ISDIGIT(c)	(IN_CTYPE_DOMAIN (c) && isdigit (c))
+#define ISLOWER(c)	(IN_CTYPE_DOMAIN (c) && islower (c))
+#define ISPRINT(c)	(IN_CTYPE_DOMAIN (c) && isprint (c))
+#define ISUPPER(c)	(IN_CTYPE_DOMAIN (c) && isupper (c))
+#define ISXDIGIT(c)	(IN_CTYPE_DOMAIN (c) && isxdigit (c))
 
-#define _rl_pure_alphabetic(c) (_rl_lowercase_p(c) || _rl_uppercase_p(c))
-#define ALPHABETIC(c)	(_rl_lowercase_p(c) || _rl_uppercase_p(c) || _rl_digit_p(c))
+#define _rl_lowercase_p(c)	(NON_NEGATIVE(c) && ISLOWER(c))
+#define _rl_uppercase_p(c)	(NON_NEGATIVE(c) && ISUPPER(c))
+#define _rl_digit_p(c)		((c) >= '0' && (c) <= '9')
 
-/* Old versions
-#  define _rl_to_upper(c) (_rl_lowercase_p(c) ? ((c) - 32) : (c))
-#  define _rl_to_lower(c) (_rl_uppercase_p(c) ? ((c) + 32) : (c))
-*/
+#define _rl_pure_alphabetic(c)	(NON_NEGATIVE(c) && ISALPHA(c))
+#define ALPHABETIC(c)		(NON_NEGATIVE(c) && ISALNUM(c))
 
 #ifndef _rl_to_upper
-#  define _rl_to_upper(c) (islower(c) ? toupper(c) : (c))
-#  define _rl_to_lower(c) (isupper(c) ? tolower(c) : (c))
+#  define _rl_to_upper(c) (_rl_lowercase_p(c) ? toupper((unsigned char)c) : (c))
+#  define _rl_to_lower(c) (_rl_uppercase_p(c) ? tolower((unsigned char)c) : (c))
 #endif
 
 #ifndef _rl_digit_value
-#define _rl_digit_value(x) ((x) - '0')
+#  define _rl_digit_value(x) ((x) - '0')
+#endif
+
+#ifndef _rl_isident
+#  define _rl_isident(c) (ISALNUM(c) || (c) == '_')
 #endif
 
+#ifndef ISOCTAL
+#  define ISOCTAL(c)	((c) >= '0' && (c) <= '7')
+#endif
+#define OCTVALUE(c)	((c) - '0')
+
+#define HEXVALUE(c) \
+  (((c) >= 'a' && (c) <= 'f') \
+  	? (c)-'a'+10 \
+  	: (c) >= 'A' && (c) <= 'F' ? (c)-'A'+10 : (c)-'0')
+
 #ifndef NEWLINE
 #define NEWLINE '\n'
 #endif
@@ -123,18 +156,4 @@
 #endif
 #define ESC CTRL('[')
 
-#ifndef ISOCTAL
-#define ISOCTAL(c)      ((c) >= '0' && (c) <= '7')
-#endif
-#define OCTVALUE(c)     ((c) - '0')
-
-#ifndef isxdigit
-#  define isxdigit(c)   (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
-#endif
-
-#define HEXVALUE(c) \
-  (((c) >= 'a' && (c) <= 'f') \
-  	? (c)-'a'+10 \
-  	: (c) >= 'A' && (c) <= 'F' ? (c)-'A'+10 : (c)-'0')
-
 #endif  /* _CHARDEFS_H_ */