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authorMichael Krelin <hacker@klever.net>2006-08-11 16:01:56 (UTC)
committer Michael Krelin <hacker@klever.net>2006-08-11 16:01:56 (UTC)
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1#ifndef __MIDILLO_UTIL_H
2#define __MIDILLO_UTIL_H
3
4#include <istream>
5#include <ostream>
6
7/**
8 * @file
9 * @brief utilities
10 */
11
12namespace midillo {
13 using std::istream;
14 using std::ostream;
15
16 /**
17 * read 32 bits word from the stream
18 * @param s input stream
19 * @return the data acquired
20 */
21 unsigned long read32(istream& s);
22 /**
23 * read 16 bits word from the stream
24 * @param s input stream
25 * @return the data acquired
26 */
27 unsigned int read16(istream& s);
28 /**
29 * read the variable length quantity from the stream
30 * @param s input stream
31 * @return the data acquired
32 */
33 unsigned long readVL(istream& s);
34
35 /**
36 * write 32 bits word to the stream
37 * @param s output stream
38 * @param d data to write
39 */
40 void write32(ostream& s,unsigned long d);
41 /**
42 * write 16 bits word to the stream
43 * @param s output stream
44 * @param d data to write
45 */
46 void write16(ostream& s,unsigned int d);
47 /**
48 * write the variable length quantity to the stream
49 * @param s output stream
50 * @param d data to write
51 */
52 void writeVL(ostream& s,unsigned long d);
53
54 /**
55 * calculate the amount of data that would be written by writeVL
56 * @param d data that would be written
57 * @return the number of bytes
58 */
59 unsigned long calcVLsize(unsigned long d);
60
61}
62
63#endif /* __MIDILLO_UTIL_H */