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authorpatacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>2011-12-19 19:24:09 +0000
committerpatacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>2011-12-19 19:24:09 +0000
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tree0191fde92a5c4dcd55a24b2aa760fa4c88713242 /nuttx/include/ctype.h
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Completes coding of the PWM module
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4200 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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diff --git a/nuttx/include/ctype.h b/nuttx/include/ctype.h
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+/****************************************************************************
+ * include/ctype.h
+ *
+ * Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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
+ ****************************************************************************/
+
+/****************************************************************************
+ * Function: 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')
+
+/****************************************************************************
+ * Function: 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);
+
+/****************************************************************************
+ * Function: isprint
+ *
+ * Description:
+ * Checks for a printable character (including space)
+ *
+ ****************************************************************************/
+
+#define isprint(c) ((c) >= 0x20 && (c) < 0x7f)
+
+/****************************************************************************
+ * Function: isgraph
+ *
+ * Description:
+ * Checks for a printable character (excluding space)
+ *
+ ****************************************************************************/
+
+#define isgraph(c) ((c) > 0x20 && (c) < 0x7f)
+
+/****************************************************************************
+ * Function: iscntrl
+ *
+ * Description:
+ * Checks for control character.
+ *
+ ****************************************************************************/
+
+#define iscontrol(c) (!isprint(c))
+
+/****************************************************************************
+ * Function: islower
+ *
+ * Description:
+ * Checks for an lowercase letter.
+ *
+ ****************************************************************************/
+
+#define islower(c) ((c) >= 'a' && (c) <= 'z')
+
+/****************************************************************************
+ * Function: isupper
+ *
+ * Description:
+ * Checks for an uppercase letter.
+ *
+ ****************************************************************************/
+
+#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
+
+/****************************************************************************
+ * Function: isalpha
+ *
+ * Description:
+ * Checks for an alphabetic character
+ *
+ ****************************************************************************/
+
+#define isalpha(c) (islower(c) || isupper(c))
+
+/****************************************************************************
+ * Function: isdigit
+ *
+ * Description:
+ * ANSI standard isdigit implementation.
+ *
+ ****************************************************************************/
+
+#define isdigit(c) ((c) >= '0' && (c) <= '9')
+
+/****************************************************************************
+ * Function: isalnum
+ *
+ * Description:
+ * Checks for an alphanumeric character
+ *
+ ****************************************************************************/
+
+#define isalnum(c) (isalpha(c) || isdigit(c))
+
+/****************************************************************************
+ * Function: ispunct
+ *
+ * Description:
+ * Checks for a printable character which is not a space
+ * or an alphanumeric character
+ *
+ ****************************************************************************/
+
+#define ispunct(c) (isgraph(c) && !isalnum(c))
+
+/****************************************************************************
+ * Function: 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'))
+
+/****************************************************************************
+ * Function: toupper
+ *
+ * Description:
+ * toupper() converts the letter c to upper case, if possible.
+ *
+ ****************************************************************************/
+
+#define toupper(c) \
+ (((c) >= 'a' && (c) <= 'z') ? ((c) - 'a' + 'A') : (c))
+
+/****************************************************************************
+ * Function: 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 */