#include "resolver.h"
// C++
#include <algorithm>
+#include <memory>
// C
#include <cstring>
// OS
buffer = mmap (nullptr, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (buffer == MAP_FAILED)
return -errno;
+ struct Deleter {
+ void operator()(void* p) const { munmap(p, size); }
+ size_t size;
+ };
+ std::unique_ptr<void, Deleter> guard(buffer, Deleter{(size_t)stat.st_size});
#else
buffer = xmalloc (stat.st_size);
if (!buffer)
return -errno;
+ struct Deleter { void operator()(void* p) const { free(p); } };
+ std::unique_ptr<void, Deleter> guard(buffer);
if (read (fd, buffer, stat.st_size) != stat.st_size)
return -errno;
#endif
}
}
-#if MAPPED_READING
- munmap (buffer, stat.st_size);
-#else
- free (buffer);
-#endif
-
return 0;
}