| 1 | /*
|
|---|
| 2 | * Copyright (c) 2011 Jiri Zarevucky
|
|---|
| 3 | * Copyright (c) 2011 Petr Koupy
|
|---|
| 4 | * All rights reserved.
|
|---|
| 5 | *
|
|---|
| 6 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 7 | * modification, are permitted provided that the following conditions
|
|---|
| 8 | * are met:
|
|---|
| 9 | *
|
|---|
| 10 | * - Redistributions of source code must retain the above copyright
|
|---|
| 11 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 12 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 13 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 14 | * documentation and/or other materials provided with the distribution.
|
|---|
| 15 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 16 | * derived from this software without specific prior written permission.
|
|---|
| 17 | *
|
|---|
| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 28 | */
|
|---|
| 29 |
|
|---|
| 30 | /** @addtogroup libposix
|
|---|
| 31 | * @{
|
|---|
| 32 | */
|
|---|
| 33 | /** @file Character classification.
|
|---|
| 34 | */
|
|---|
| 35 |
|
|---|
| 36 | #include <ctype.h>
|
|---|
| 37 |
|
|---|
| 38 | /**
|
|---|
| 39 | * Checks whether character is ASCII. (obsolete)
|
|---|
| 40 | *
|
|---|
| 41 | * @param c Character to inspect.
|
|---|
| 42 | * @return Non-zero if character match the definition, zero otherwise.
|
|---|
| 43 | */
|
|---|
| 44 | int isascii(int c)
|
|---|
| 45 | {
|
|---|
| 46 | return c >= 0 && c < 128;
|
|---|
| 47 | }
|
|---|
| 48 |
|
|---|
| 49 | /**
|
|---|
| 50 | * Converts argument to a 7-bit ASCII character. (obsolete)
|
|---|
| 51 | *
|
|---|
| 52 | * @param c Character to convert.
|
|---|
| 53 | * @return Coverted character.
|
|---|
| 54 | */
|
|---|
| 55 | int toascii(int c)
|
|---|
| 56 | {
|
|---|
| 57 | return c & 0x7F;
|
|---|
| 58 | }
|
|---|
| 59 |
|
|---|
| 60 | /** @}
|
|---|
| 61 | */
|
|---|
