1 files changed, 109 insertions, 0 deletions
diff --git a/include/chartypes.h b/include/chartypes.h
new file mode 100644
index 0000000..d5be4a3
--- /dev/null
+++ b/include/chartypes.h
@@ -0,0 +1,109 @@
+/* chartypes.h -- extend ctype.h */
+
+/* Copyright (C) 2001-2021 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+
+   Bash 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 3 of the License, or
+   (at your option) any later version.
+
+   Bash 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.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SH_CHARTYPES_H
+#define _SH_CHARTYPES_H
+
+#include <ctype.h>
+
+#ifndef UCHAR_MAX
+#  define UCHAR_MAX 255
+#endif
+#ifndef CHAR_MAX
+#  define CHAR_MAX 127
+#endif
+
+/* use this as a proxy for C89 */
+#if defined (HAVE_STDLIB_H) && defined (HAVE_STRING_H)
+#  define IN_CTYPE_DOMAIN(c) 1
+#else
+#  define IN_CTYPE_DOMAIN(c) ((c) >= 0 && (c) <= CHAR_MAX)
+#endif
+
+#if !defined (isspace) && !defined (HAVE_ISSPACE)
+#  define isspace(c) ((c) == ' ' || (c) == '\t' || (c) == '\n' || (c) == '\f')
+#endif
+
+#if !defined (isprint) && !defined (HAVE_ISPRINT)
+#  define isprint(c) (isalpha((unsigned char)c) || isdigit((unsigned char)c) || ispunct((unsigned char)c))
+#endif
+
+#if defined (isblank) || defined (HAVE_ISBLANK)
+#  define ISBLANK(c) (IN_CTYPE_DOMAIN (c) && isblank ((unsigned char)c))
+#else
+#  define ISBLANK(c) ((c) == ' ' || (c) == '\t')
+#endif
+
+#if defined (isgraph) || defined (HAVE_ISGRAPH)
+#  define ISGRAPH(c) (IN_CTYPE_DOMAIN (c) && isgraph (c))
+#else
+#  define ISGRAPH(c) (IN_CTYPE_DOMAIN (c) && isprint ((unsigned char)c) && !isspace ((unsigned char)c))
+#endif
+
+#if !defined (isxdigit) && !defined (HAVE_ISXDIGIT)
+#  define isxdigit(c)	(((c) >= '0' && (c) <= '9') || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
+#endif
+
+#undef ISPRINT
+
+#define ISPRINT(c) (IN_CTYPE_DOMAIN (c) && isprint ((unsigned char)c))
+#define ISDIGIT(c) (IN_CTYPE_DOMAIN (c) && isdigit ((unsigned char)c))
+#define ISALNUM(c) (IN_CTYPE_DOMAIN (c) && isalnum ((unsigned char)c))
+#define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha ((unsigned char)c))
+#define ISCNTRL(c) (IN_CTYPE_DOMAIN (c) && iscntrl ((unsigned char)c))
+#define ISLOWER(c) (IN_CTYPE_DOMAIN (c) && islower ((unsigned char)c))
+#define ISPUNCT(c) (IN_CTYPE_DOMAIN (c) && ispunct ((unsigned char)c))
+#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace ((unsigned char)c))
+#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper ((unsigned char)c))
+#define ISXDIGIT(c) (IN_CTYPE_DOMAIN (c) && isxdigit ((unsigned char)c))
+
+#define ISLETTER(c)	(ISALPHA(c))
+
+#define DIGIT(c)	((c) >= '0' && (c) <= '9')
+
+#define ISWORD(c)	(ISLETTER(c) || DIGIT(c) || ((c) == '_'))
+
+#define HEXVALUE(c) \
+  (((c) >= 'a' && (c) <= 'f') \
+	? (c)-'a'+10 \
+	: (c) >= 'A' && (c) <= 'F' ? (c)-'A'+10 : (c)-'0')
+                  
+#ifndef ISOCTAL
+#  define ISOCTAL(c)	((c) >= '0' && (c) <= '7')
+#endif
+#define OCTVALUE(c)	((c) - '0')
+
+#define TODIGIT(c)	((c) - '0')
+#define TOCHAR(c)	((c) + '0')
+
+#define TOLOWER(c)	(ISUPPER(c) ? tolower(c) : (c))
+#define TOUPPER(c)	(ISLOWER(c) ? toupper(c) : (c))
+
+#ifndef TOCTRL
+   /* letter to control char -- ASCII.  The TOUPPER is in there so \ce and
+      \cE will map to the same character in $'...' expansions. */
+#  define TOCTRL(x)	((x) == '?' ? 0x7f : (TOUPPER(x) & 0x1f))
+#endif
+#ifndef UNCTRL
+   /* control char to letter -- ASCII */
+#  define UNCTRL(x)	(TOUPPER(x ^ 0x40))
+#endif
+
+#endif /* _SH_CHARTYPES_H */