diff options
Diffstat (limited to 'usr.bin/dtc/string.hh')
| -rw-r--r-- | usr.bin/dtc/string.hh | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/usr.bin/dtc/string.hh b/usr.bin/dtc/string.hh index 45bc4fda71c5..f6acc1b2e8a4 100644 --- a/usr.bin/dtc/string.hh +++ b/usr.bin/dtc/string.hh @@ -33,6 +33,8 @@ #ifndef _STRING_HH_ #define _STRING_HH_ #include "input_buffer.hh" +#include <string> +#include <functional> namespace dtc { @@ -48,6 +50,7 @@ namespace dtc */ class string { + friend std::hash<string>; /** Start address. Contained within the mmap()'d input file and not * owned by this object. */ const char *start; @@ -143,5 +146,19 @@ class string }; } // namespace dtc +namespace std +{ + template<> + struct hash<dtc::string> + { + std::size_t operator()(dtc::string const& s) const + { + std::string str(s.start, s.length); + std::hash<std::string> h; + return h(str); + } + }; +} + #endif // !_STRING_HH_ |