#include <algorithm>
#include <cstring>
-#include "except.h"
+#include "handle.h"
#include "memory.h"
using namespace std;
return static_cast<unsigned char>(*pos++);
}
-unsigned Memory::seek(int off, SeekType type)
+SeekOffset Memory::seek(SeekOffset off, SeekType type)
{
char *new_pos;
if(type==S_BEG)
else if(type==S_END)
new_pos = end+off;
else
- throw InvalidParameterValue("Invalid seek type");
+ throw invalid_argument("Memory::seek");
if(new_pos<begin || new_pos>end)
- throw InvalidParameterValue("Invalid seek offset");
+ throw out_of_range("Memory::seek");
pos = new_pos;
return pos-begin;
}
-Handle Memory::get_event_handle()
-{
- throw Exception("Memory doesn't support events");
-}
-
void Memory::check_mode(Mode m) const
{
- if(m==M_WRITE)
- {
- if(!(mode&M_WRITE))
- throw InvalidState("Memory is not writable");
- if(pos==end)
- throw InvalidState("Attempt to write past end of Memory");
- }
+ if(m==M_WRITE && !(mode&M_WRITE))
+ throw invalid_access(M_WRITE);
}
} // namespace IO