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517 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2005 Jakub Jermar |
517 | jermar | 3 | * All rights reserved. |
4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1812 | decky | 29 | /** @addtogroup generic |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
1855 | jermar | 35 | #ifndef KERN_MACROS_H_ |
36 | #define KERN_MACROS_H_ |
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517 | jermar | 37 | |
1812 | decky | 38 | #include <arch/types.h> |
39 | #include <typedefs.h> |
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40 | |||
2048 | jermar | 41 | #define is_digit(d) (((d) >= '0') && ((d) <= '9')) |
42 | #define is_lower(c) (((c) >= 'a') && ((c) <= 'z')) |
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43 | #define is_upper(c) (((c) >= 'A') && ((c) <= 'Z')) |
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44 | #define is_alpha(c) (is_lower(c) || is_upper(c)) |
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45 | #define is_alphanum(c) (is_alpha(c) || is_digit(c)) |
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46 | #define is_white(c) (((c) == ' ') || ((c) == '\t') || ((c) == '\n') || \ |
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47 | ((c) == '\r')) |
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517 | jermar | 48 | |
1812 | decky | 49 | #define min(a,b) ((a) < (b) ? (a) : (b)) |
50 | #define max(a,b) ((a) > (b) ? (a) : (b)) |
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518 | jermar | 51 | |
1855 | jermar | 52 | /** Return true if the interlvals overlap. |
53 | * |
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54 | * @param s1 Start address of the first interval. |
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55 | * @param sz1 Size of the first interval. |
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56 | * @param s2 Start address of the second interval. |
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57 | * @param sz2 Size of the second interval. |
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58 | */ |
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1780 | jermar | 59 | static inline int overlaps(uintptr_t s1, size_t sz1, uintptr_t s2, size_t sz2) |
1063 | palkovsky | 60 | { |
1812 | decky | 61 | uintptr_t e1 = s1 + sz1; |
62 | uintptr_t e2 = s2 + sz2; |
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1063 | palkovsky | 63 | |
1812 | decky | 64 | return (s1 < e2) && (s2 < e1); |
1063 | palkovsky | 65 | } |
66 | /* Compute overlapping of physical addresses */ |
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1812 | decky | 67 | #define PA_overlaps(x, szx, y, szy) overlaps(KA2PA(x), szx, KA2PA(y), szy) |
1063 | palkovsky | 68 | |
1812 | decky | 69 | #define STRING(arg) STRING_ARG(arg) |
70 | #define STRING_ARG(arg) #arg |
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71 | |||
517 | jermar | 72 | #endif |
1702 | cejka | 73 | |
1812 | decky | 74 | /** @} |
1702 | cejka | 75 | */ |