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root/bsp/drv/lib/ctype.c

DEFINITIONS

1. isalnum
2. isalpha
3. isblank
4. isupper
5. islower
6. isspace
7. isdigit
8. isxdigit
9. isprint

   1 /*-
   2  * Copyright (c) 2009, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 #include <sys/types.h>
  31 #include <ddi.h>
  34 int
isalnum(int c)
  36 {
  37         return (isalpha(c) || isdigit(c));
  38 }
  40 int
isalpha(int c)
  42 {
  43         return ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'));
  44 }
  46 int
isblank(int c)
  48 {
  49         return (c == ' ' || c == '\t');
  50 }
  52 int
isupper(int c)
  54 {
  55         return (c >= 'A' && c <= 'Z');
  56 }
  58 int
islower(int c)
  60 {
  61         return (c >= 'a' && c <= 'z');
  62 }
  64 int
isspace(int c)
  66 {
  67         return (c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v');
  68 }
  70 int
isdigit(int c)
  72 {
  73         return (c >= '0' && c <= '9');
  74 }
  76 int
isxdigit(int c)
  78 {
  79         return (isdigit(c) || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'));
  80 }
  82 int
isprint(int c)
  84 {
  85         return (c >= 0x20 && c <= 0x7E);
  86 }