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| 1 | /* |
1 | /* |
| 2 | * Copyright (c) 2006 Josef Cejka |
2 | * Copyright (c) 2006 Josef Cejka |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | /** @addtogroup libc |
29 | /** @addtogroup libc |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | /** @file |
32 | /** @file |
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| 35 | #ifndef LIBC_CTYPE_H_ |
35 | #ifndef LIBC_CTYPE_H_ |
| 36 | #define LIBC_CTYPE_H_ |
36 | #define LIBC_CTYPE_H_ |
| 37 | 37 | ||
| 38 | static inline int islower(int c) |
38 | static inline int islower(int c) |
| 39 | { |
39 | { |
| 40 | return ((c >= 'a') && (c <= 'z')); |
40 | return ((c >= 'a') && (c <= 'z')); |
| 41 | } |
41 | } |
| 42 | 42 | ||
| 43 | static inline int isupper(int c) |
43 | static inline int isupper(int c) |
| 44 | { |
44 | { |
| 45 | return ((c >= 'A') && (c <= 'Z')); |
45 | return ((c >= 'A') && (c <= 'Z')); |
| 46 | } |
46 | } |
| 47 | 47 | ||
| 48 | static inline int isalpha(int c) |
48 | static inline int isalpha(int c) |
| 49 | { |
49 | { |
| 50 | return (islower(c) || isupper(c)); |
50 | return (islower(c) || isupper(c)); |
| 51 | } |
51 | } |
| 52 | 52 | ||
| 53 | static inline int isdigit(int c) |
53 | static inline int isdigit(int c) |
| 54 | { |
54 | { |
| 55 | return ((c >= '0') && (c <= '9')); |
55 | return ((c >= '0') && (c <= '9')); |
| 56 | } |
56 | } |
| 57 | 57 | ||
| 58 | static inline int isalnum(int c) |
58 | static inline int isalnum(int c) |
| 59 | { |
59 | { |
| 60 | return (isalpha(c) || isdigit(c)); |
60 | return (isalpha(c) || isdigit(c)); |
| 61 | } |
61 | } |
| 62 | 62 | ||
| 63 | static inline int isspace(int c) |
63 | static inline int isspace(int c) |
| 64 | { |
64 | { |
| 65 | switch (c) { |
65 | switch (c) { |
| 66 | case ' ': |
66 | case ' ': |
| 67 | case '\n': |
67 | case '\n': |
| 68 | case '\t': |
68 | case '\t': |
| 69 | case '\f': |
69 | case '\f': |
| 70 | case '\r': |
70 | case '\r': |
| 71 | case '\v': |
71 | case '\v': |
| 72 | return 1; |
72 | return 1; |
| 73 | break; |
73 | break; |
| 74 | default: |
74 | default: |
| 75 | return 0; |
75 | return 0; |
| 76 | } |
76 | } |
| 77 | } |
77 | } |
| 78 | 78 | ||
| 79 | static inline int tolower(int c) |
79 | static inline int tolower(int c) |
| 80 | { |
80 | { |
| 81 | if (isupper(c)) |
81 | if (isupper(c)) |
| 82 | return (c + ('a' - 'A' > 0 ? 'a' - 'A' : 'A' - 'a')); |
82 | return (c + ('a' - 'A')); |
| - | 83 | else |
|
| - | 84 | return c; |
|
| - | 85 | } |
|
| - | 86 | ||
| - | 87 | static inline int toupper(int c) |
|
| - | 88 | { |
|
| - | 89 | if (islower(c)) |
|
| - | 90 | return (c + ('A' - 'a')); |
|
| 83 | else |
91 | else |
| 84 | return c; |
92 | return c; |
| 85 | } |
93 | } |
| 86 | 94 | ||
| 87 | #endif |
95 | #endif |
| 88 | 96 | ||
| 89 | /** @} |
97 | /** @} |
| 90 | */ |
98 | */ |
| 91 | 99 | ||