Kyle Lemons
util/util.h@0:7e2eb93442e7, 2010-12-12 (annotated)
- Committer:
- etherealflaim
- Date:
- Sun Dec 12 19:34:41 2010 +0000
- Revision:
- 0:7e2eb93442e7
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| etherealflaim | 0:7e2eb93442e7 | 1 | #ifndef UTIL_H |
| etherealflaim | 0:7e2eb93442e7 | 2 | #define UTIL_H |
| etherealflaim | 0:7e2eb93442e7 | 3 | |
| etherealflaim | 0:7e2eb93442e7 | 4 | #include "types.h" |
| etherealflaim | 0:7e2eb93442e7 | 5 | //#include "log.h" |
| etherealflaim | 0:7e2eb93442e7 | 6 | |
| etherealflaim | 0:7e2eb93442e7 | 7 | /** |
| etherealflaim | 0:7e2eb93442e7 | 8 | \file util.h |
| etherealflaim | 0:7e2eb93442e7 | 9 | \brief Primary utility header |
| etherealflaim | 0:7e2eb93442e7 | 10 | |
| etherealflaim | 0:7e2eb93442e7 | 11 | In addition to providing some utility functions, this file also includes |
| etherealflaim | 0:7e2eb93442e7 | 12 | the other utility headers automatically. |
| etherealflaim | 0:7e2eb93442e7 | 13 | */ |
| etherealflaim | 0:7e2eb93442e7 | 14 | |
| etherealflaim | 0:7e2eb93442e7 | 15 | /// Is any byte memory at start for bytes nonzero? |
| etherealflaim | 0:7e2eb93442e7 | 16 | inline bool is_nonzero_mem(u8 *start, unsigned int bytes) |
| etherealflaim | 0:7e2eb93442e7 | 17 | { |
| etherealflaim | 0:7e2eb93442e7 | 18 | for (; bytes--; ++start) if (*start) return true; |
| etherealflaim | 0:7e2eb93442e7 | 19 | return false; |
| etherealflaim | 0:7e2eb93442e7 | 20 | } |
| etherealflaim | 0:7e2eb93442e7 | 21 | |
| etherealflaim | 0:7e2eb93442e7 | 22 | /// Are all bytes at start for bytes zero? |
| etherealflaim | 0:7e2eb93442e7 | 23 | inline bool is_zero_mem(u8 *start, unsigned int bytes) |
| etherealflaim | 0:7e2eb93442e7 | 24 | { |
| etherealflaim | 0:7e2eb93442e7 | 25 | for (; bytes--; ++start) if (*start) return false; |
| etherealflaim | 0:7e2eb93442e7 | 26 | return true; |
| etherealflaim | 0:7e2eb93442e7 | 27 | } |
| etherealflaim | 0:7e2eb93442e7 | 28 | |
| etherealflaim | 0:7e2eb93442e7 | 29 | /// Are the memory locations at and and b equal for bytes? |
| etherealflaim | 0:7e2eb93442e7 | 30 | inline bool is_equal_mem(u8 *a, u8 *b, unsigned int bytes) |
| etherealflaim | 0:7e2eb93442e7 | 31 | { |
| etherealflaim | 0:7e2eb93442e7 | 32 | for (; bytes--; ++a, ++b) if (*a != *b) return false; |
| etherealflaim | 0:7e2eb93442e7 | 33 | return true; |
| etherealflaim | 0:7e2eb93442e7 | 34 | } |
| etherealflaim | 0:7e2eb93442e7 | 35 | |
| etherealflaim | 0:7e2eb93442e7 | 36 | #endif |