Rev 3627 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1173 | cejka | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2006 Josef Cejka |
| 1173 | cejka | 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 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 1866 | jermar | 29 | /** @addtogroup libc |
| 1653 | cejka | 30 | * @{ |
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 1866 | jermar | 35 | #ifndef LIBC_CTYPE_H_ |
| 36 | #define LIBC_CTYPE_H_ |
||
| 1173 | cejka | 37 | |
| 2526 | jermar | 38 | static inline int islower(int c) |
| 39 | { |
||
| 40 | return ((c >= 'a') && (c <= 'z')); |
||
| 41 | } |
||
| 42 | |||
| 43 | static inline int isupper(int c) |
||
| 44 | { |
||
| 45 | return ((c >= 'A') && (c <= 'Z')); |
||
| 46 | } |
||
| 47 | |||
| 2524 | jermar | 48 | static inline int isalpha(int c) |
| 49 | { |
||
| 2526 | jermar | 50 | return (islower(c) || isupper(c)); |
| 2524 | jermar | 51 | } |
| 52 | |||
| 1173 | cejka | 53 | static inline int isdigit(int c) |
| 54 | { |
||
| 2524 | jermar | 55 | return ((c >= '0') && (c <= '9')); |
| 1173 | cejka | 56 | } |
| 57 | |||
| 2525 | jermar | 58 | static inline int isalnum(int c) |
| 59 | { |
||
| 60 | return (isalpha(c) || isdigit(c)); |
||
| 61 | } |
||
| 62 | |||
| 1314 | cejka | 63 | static inline int isspace(int c) |
| 64 | { |
||
| 2525 | jermar | 65 | switch (c) { |
| 2128 | jermar | 66 | case ' ': |
| 67 | case '\n': |
||
| 68 | case '\t': |
||
| 69 | case '\f': |
||
| 70 | case '\r': |
||
| 71 | case '\v': |
||
| 72 | return 1; |
||
| 73 | break; |
||
| 74 | default: |
||
| 75 | return 0; |
||
| 1314 | cejka | 76 | } |
| 77 | } |
||
| 78 | |||
| 3271 | jermar | 79 | static inline int tolower(int c) |
| 80 | { |
||
| 81 | if (isupper(c)) |
||
| 3630 | svoboda | 82 | return (c + ('a' - 'A')); |
| 3271 | jermar | 83 | else |
| 84 | return c; |
||
| 85 | } |
||
| 86 | |||
| 3627 | jermar | 87 | static inline int toupper(int c) |
| 88 | { |
||
| 89 | if (islower(c)) |
||
| 3630 | svoboda | 90 | return (c + ('A' - 'a')); |
| 3627 | jermar | 91 | else |
| 92 | return c; |
||
| 93 | } |
||
| 94 | |||
| 1173 | cejka | 95 | #endif |
| 96 | |||
| 1866 | jermar | 97 | /** @} |
| 1653 | cejka | 98 | */ |