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// Copyright 2009 Google Inc. All Rights Reserved.
#include "file.h"
namespace art {
bool File::ReadFully(void* buffer, int64_t num_bytes) {
int64_t remaining = num_bytes;
char* current_buffer = reinterpret_cast<char*>(buffer);
while (remaining > 0) {
int bytes_read = Read(current_buffer, remaining);
if (bytes_read <= 0) {
return false;
}
remaining -= bytes_read; // Reduce the number of remaining bytes.
current_buffer += bytes_read; // Move the buffer forward.
}
return true;
}
bool File::WriteFully(const void* buffer, int64_t num_bytes) {
int64_t remaining = num_bytes;
const char* current_buffer = reinterpret_cast<const char*>(buffer);
while (remaining > 0) {
int bytes_read = Write(current_buffer, remaining);
if (bytes_read < 0) {
return false;
}
remaining -= bytes_read; // Reduce the number of remaining bytes.
current_buffer += bytes_read; // Move the buffer forward.
}
return true;
}
} // namespace art
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