]> sourceware.org Git - systemtap.git/blob - hash.h
2007-12-01 Frank Ch. Eigler <fche@elastic.org>
[systemtap.git] / hash.h
1 #include <string>
2
3 extern "C" {
4 #include <string.h>
5 #include <mdfour.h>
6 }
7
8 // Grabbed from linux/module.h kernel include.
9 #define MODULE_NAME_LEN (64 - sizeof(unsigned long))
10
11 class hash
12 {
13 private:
14 struct mdfour md4;
15
16 public:
17 hash() { start(); }
18
19 void start();
20
21 void add(const unsigned char *buffer, size_t size);
22 void add(const int x) { add((const unsigned char *)&x, sizeof(x)); }
23 void add(const long x) { add((const unsigned char *)&x, sizeof(x)); }
24 void add(const long long x) { add((const unsigned char *)&x, sizeof(x)); }
25 void add(const unsigned int x) { add((const unsigned char *)&x, sizeof(x)); }
26 void add(const unsigned long x) { add((const unsigned char *)&x,
27 sizeof(x)); }
28 void add(const unsigned long long x) { add((const unsigned char *)&x,
29 sizeof(x)); }
30 void add(const char *s) { add((const unsigned char *)s, strlen(s)); }
31 void add(const std::string& s) { add((const unsigned char *)s.c_str(),
32 s.length()); }
33
34 void result(std::string& r);
35 };
36
37 void find_hash (systemtap_session& s, const std::string& script);
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