Resync new repository with old repo r5166

git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3
2026-10-22 19:03:33 +08:00 · 2012-09-17 18:18:44 +00:00
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+/****************************************************************************
+ * include/ctype.h
+ *
+ *   Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_CTYPE_H
+#define __INCLUDE_CTYPE_H
+
+/* There is no consistent ctype implementation, just a smattering of
+ * functions.  Individually, they are okay, but a more standard, data lookup
+ * approach would make more sense if used extensively.
+ */
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: isspace
+ *
+ * Description:
+ *   Checks  for  white-space characters.  In the "C" and "POSIX" locales,
+ *   these are: space, form-feed ('\f'), newline ('\n'), carriage return
+ *   ('\r'), horizontal tab ('\t'), and vertical tab ('\v').
+ *
+ ****************************************************************************/
+
+#define isspace(c) \
+  ((c) == ' '  || (c) == '\t' || (c) == '\n' || \
+   (c) == '\r' || (c) == '\f' || c== '\v')
+
+/****************************************************************************
+ * Name: isascii
+ *
+ * Description:
+ *   Checks whether c is a 7-bit unsigned char value that fits into the
+ *   ASCII character set.
+ *
+ ****************************************************************************/
+
+#define isascii(c)   ((c) >= 0 && (c) <= 0x7f)
+
+/****************************************************************************
+ * Name: isprint
+ *
+ * Description:
+ *   Checks for a printable character (including space)
+ *
+ ****************************************************************************/
+
+#define isprint(c)   ((c) >= 0x20 && (c) < 0x7f)
+
+/****************************************************************************
+ * Name: isgraph
+ *
+ * Description:
+ *   Checks for a printable character (excluding space)
+ *
+ ****************************************************************************/
+
+#define isgraph(c)   ((c) > 0x20 && (c) < 0x7f)
+
+/****************************************************************************
+ * Name: iscntrl
+ *
+ * Description:
+ *   Checks for control character.
+ *
+ ****************************************************************************/
+
+#define iscontrol(c) (!isprint(c))
+
+/****************************************************************************
+ * Name: islower
+ *
+ * Description:
+ *   Checks for an lowercase letter.
+ *
+ ****************************************************************************/
+
+#define islower(c)   ((c) >= 'a' && (c) <= 'z')
+
+/****************************************************************************
+ * Name: isupper
+ *
+ * Description:
+ *   Checks for an uppercase letter.
+ *
+ ****************************************************************************/
+
+#define isupper(c)   ((c) >= 'A' && (c) <= 'Z')
+
+/****************************************************************************
+ * Name: isalpha
+ *
+ * Description:
+ *   Checks for an alphabetic character
+ *
+ ****************************************************************************/
+
+#define isalpha(c)   (islower(c) || isupper(c))
+
+/****************************************************************************
+ * Name: isdigit
+ *
+ * Description:
+ *   ANSI standard isdigit implementation.
+ *
+ ****************************************************************************/
+
+#define isdigit(c)   ((c) >= '0' && (c) <= '9')
+
+/****************************************************************************
+ * Name: isalnum
+ *
+ * Description:
+ *   Checks for an alphanumeric character
+ *
+ ****************************************************************************/
+
+#define isalnum(c)   (isalpha(c) || isdigit(c))
+
+/****************************************************************************
+ * Name: ispunct
+ *
+ * Description:
+ *   Checks for a printable character which is not a space or an
+ *   alphanumeric character
+ *
+ ****************************************************************************/
+
+#define ispunct(c)   (isgraph(c) && !isalnum(c))
+
+/****************************************************************************
+ * Name: isxdigit
+ *
+ * Description:
+ *   isxdigit() checks for a hexadecimal digits, i.e. one of {0-9,a-f,A-F}
+ *
+ ****************************************************************************/
+
+#define isxdigit(c) \
+  (((c) >= '0' && (c) <= '9') || \
+   ((c) >= 'a' && (c) <= 'f') || \
+   ((c) >= 'A' && (c) <= 'F'))
+
+/****************************************************************************
+ * Name: toupper
+ *
+ * Description:
+ *   toupper() converts the letter c to upper case, if possible.
+ *
+ ****************************************************************************/
+
+#define toupper(c) \
+  (((c) >= 'a' && (c) <= 'z') ? ((c) - 'a' + 'A') : (c))
+
+/****************************************************************************
+ * Name: tolower
+ *
+ * Description:
+ *   tolower() converts the letter c to lower case, if possible.
+ *
+ ****************************************************************************/
+
+#define tolower(c) \
+  (((c) >= 'A' && (c) <= 'Z') ? ((c) - 'A' + 'a') : (c))
+
+/****************************************************************************
+ * Public Type Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_CTYPE_H */