| 1 | #ifndef RXVT_UTIL_H |
1 | #ifndef RXVT_UTIL_H |
| 2 | #define RXVT_UTIL_H |
2 | #define RXVT_UTIL_H |
| 3 | |
3 | |
| 4 | #include <cstring> |
4 | #include <cstring> |
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5 | |
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6 | #define PP_CONCAT_(a, b) a ## b |
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7 | #define PP_CONCAT(a, b) PP_CONCAT_(a, b) |
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8 | #define PP_STRINGIFY_(a) #a |
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9 | #define PP_STRINGIFY(a) PP_STRINGIFY_(a) |
| 5 | |
10 | |
| 6 | extern class byteorder { |
11 | extern class byteorder { |
| 7 | static unsigned int e; // at least 32 bits |
12 | static unsigned int e; // at least 32 bits |
| 8 | public: |
13 | public: |
| 9 | byteorder (); |
14 | byteorder (); |
| … | |
… | |
| 20 | template<typename T, typename U> static inline void max_it (T &a, U b) { a = a > (T)b ? a : (T)b; } |
25 | template<typename T, typename U> static inline void max_it (T &a, U b) { a = a > (T)b ? a : (T)b; } |
| 21 | |
26 | |
| 22 | template<typename T, typename U, typename V> static inline T clamp (T v, U a, V b) { return v < (T)a ? a : v >(T)b ? b : v; } |
27 | template<typename T, typename U, typename V> static inline T clamp (T v, U a, V b) { return v < (T)a ? a : v >(T)b ? b : v; } |
| 23 | template<typename T, typename U, typename V> static inline void clamp_it (T &v, U a, V b) { v = v < (T)a ? a : v >(T)b ? b : v; } |
28 | template<typename T, typename U, typename V> static inline void clamp_it (T &v, U a, V b) { v = v < (T)a ? a : v >(T)b ? b : v; } |
| 24 | |
29 | |
| 25 | template<typename T, typename U> |
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| 26 | static inline void swap (T& a, U& b) { T t=a; a=(T)b; b=(U)t; } |
30 | template<typename T, typename U> static inline void swap (T& a, U& b) { T t=a; a=(T)b; b=(U)t; } |
| 27 | |
31 | |
| 28 | // in range including end |
32 | // in range including end |
| 29 | #define IN_RANGE_INC(val,beg,end) \ |
33 | #define IN_RANGE_INC(val,beg,end) \ |
| 30 | ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg)) |
34 | ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg)) |
| 31 | |
35 | |
