usr/src/common/util/strtolctype.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1988 AT&T */
  28 /*        All Rights Reserved   */
  29
  30 #ifndef _COMMON_UTIL_CTYPE_H
  31 #define _COMMON_UTIL_CTYPE_H
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 /*
  38  * This header file contains a collection of macros that the strtou?ll?
  39  * functions in common/util use to test characters.  What we need is a kernel
  40  * version of ctype.h.
  41  */
  42
  43 #if     defined(_KERNEL) && !defined(_BOOT)
  44
  45 #define isalnum(ch)     (isalpha(ch) || isdigit(ch))
  46 #define isalpha(ch)     (isupper(ch) || islower(ch))
  47 #define isdigit(ch)     ((ch) >= '0' && (ch) <= '9')
  48 #define islower(ch)     ((ch) >= 'a' && (ch) <= 'z')
  49 #define isspace(ch)     (((ch) == ' ') || ((ch) == '\r') || ((ch) == '\n') || \
  50                         ((ch) == '\t') || ((ch) == '\f'))
  51 #define isupper(ch)     ((ch) >= 'A' && (ch) <= 'Z')
  52 #define isxdigit(ch)    (isdigit(ch) || ((ch) >= 'a' && (ch) <= 'f') || \
  53                         ((ch) >= 'A' && (ch) <= 'F'))
  54
  55 #endif  /* _KERNEL && !_BOOT */
  56
  57 #define DIGIT(x)        \
  58         (isdigit(x) ? (x) - '0' : islower(x) ? (x) + 10 - 'a' : (x) + 10 - 'A')
  59
  60 #define MBASE   ('z' - 'a' + 1 + 10)
  61
  62 /*
  63  * The following macro is a version of isalnum() that limits alphabetic
  64  * characters to the ranges a-z and A-Z; locale dependent characters will not
  65  * return 1.  The members of a-z and A-Z are assumed to be in ascending order
  66  * and contiguous.
  67  */
  68 #define lisalnum(x)     \
  69         (isdigit(x) || ((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z'))
  70
  71 #ifdef  __cplusplus
  72 }
  73 #endif
  74
  75 #endif  /* _COMMON_UTIL_CTYPE_H */