/* chardefs.h -- Character definitions for readline. */
-#ifndef _CHARDEFS_
-#define _CHARDEFS_
-#include <ctype.h>
+/* Copyright (C) 1994 Free Software Foundation, Inc.
-#if 0
-/* Getting the correct definition of HAVE_STRING_H is harder than just
- declaring them ourselves. CYGNUS LOCAL. */
-#if defined (HAVE_STRING_H)
-# include <string.h>
-#else
-# include <strings.h>
-#endif /* HAVE_STRING_H */
-#else /* not 0 */
-/* We don't worry about declaring functions where we don't use the return
- value (e.g. strcpy) or which return int. */
-extern char *strrchr ();
-#endif /* not 0 */
+ This file is part of the GNU Readline Library, a library for
+ reading lines of text with interactive input and history editing.
-#ifndef savestring
-#if 0
+ 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 2, or
+ (at your option) any later version.
-/* CYGNUS LOCAL--this declaration loses if xmalloc has already been
- declared as void *xmalloc (), as in GDB. The whole concept of
- readline using xmalloc rather than just returning NULL when it runs
- out of memory is questionable, but if we do want xmalloc we need a
- better way to declare it (e.g. the client declares it, or the client
- calls a rl_register_xmalloc function analagous to the way signal()
- works. */
+ The GNU Readline Library is distributed in the hope that it will be
+ useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-extern char *xmalloc ();
-#endif
-# ifndef strcpy
-extern char *strcpy ();
-# endif
-#define savestring(x) strcpy (xmalloc (1 + strlen (x)), (x))
-#endif
+ 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,
+ 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#ifndef _CHARDEFS_H_
+#define _CHARDEFS_H_
+
+#include <ctype.h>
+
+#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>
+# endif /* HAVE_STRING_H */
+# if defined (HAVE_STRINGS_H)
+# include <strings.h>
+# endif /* HAVE_STRINGS_H */
+#else
+# include <string.h>
+#endif /* !HAVE_CONFIG_H */
#ifndef whitespace
#define whitespace(c) (((c) == ' ') || ((c) == '\t'))
#endif
#ifdef CTRL
-#undef CTRL
+# undef CTRL
+#endif
+#ifdef UNCTRL
+# undef UNCTRL
#endif
/* Some character stuff. */
#define control_character_threshold 0x020 /* Smaller than this is control. */
+#define control_character_mask 0x1f /* 0x20 - 1 */
#define meta_character_threshold 0x07f /* Larger than this is Meta. */
#define control_character_bit 0x40 /* 0x000000, must be off. */
#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) & 0x80) == 0))
#define META_CHAR(c) ((c) > meta_character_threshold && (c) <= largest_char)
-#define CTRL(c) ((c) & (~control_character_bit))
+
+#define CTRL(c) ((c) & control_character_mask)
#define META(c) ((c) | meta_character_bit)
#define UNMETA(c) ((c) & (~meta_character_bit))
-#define UNCTRL(c) to_upper(((c)|control_character_bit))
+#define UNCTRL(c) _rl_to_upper(((c)|control_character_bit))
-#define lowercase_p(c) (((c) > ('a' - 1) && (c) < ('z' + 1)))
-#define uppercase_p(c) (((c) > ('A' - 1) && (c) < ('Z' + 1)))
+#if defined STDC_HEADERS || (!defined (isascii) && !defined (HAVE_ISASCII))
+# define IN_CTYPE_DOMAIN(c) 1
+#else
+# define IN_CTYPE_DOMAIN(c) isascii(c)
+#endif
-#define pure_alphabetic(c) (lowercase_p(c) || uppercase_p(c))
+#if !defined (isxdigit) && !defined (HAVE_ISXDIGIT)
+# define isxdigit(c) (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
+#endif
-#ifndef to_upper
-#define to_upper(c) (lowercase_p(c) ? ((c) - 32) : (c))
-#define to_lower(c) (uppercase_p(c) ? ((c) + 32) : (c))
+#if defined (CTYPE_NON_ASCII)
+# define NON_NEGATIVE(c) 1
+#else
+# define NON_NEGATIVE(c) ((unsigned char)(c) == (c))
#endif
-#define CTRL_P(c) ((c) < control_character_threshold)
-#define META_P(c) ((c) > meta_character_threshold)
+/* Some systems define these; we want our definitions. */
+#undef ISPRINT
+
+/* Beware: these only work with single-byte ASCII characters. */
+
+#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_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')
+
+#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) (_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')
+#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
#ifndef RUBOUT
-#define RUBOUT 0x07f
+#define RUBOUT 0x7f
#endif
#ifndef TAB
#ifdef SPACE
#undef SPACE
#endif
-#define SPACE 0x020
+#define SPACE ' ' /* XXX - was 0x20 */
#ifdef ESC
#undef ESC
#endif
-
#define ESC CTRL('[')
-#endif /* _CHARDEFS_ */
+#endif /* _CHARDEFS_H_ */
projects / deliverable / binutils-gdb.git / blobdiff