v8/tools/shell-utils.h

// Copyright 2014 the V8 project authors. All rights reserved.
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// Utility functions used by parser-shell.

#include "src/common/globals.h"

#include <stdio.h>

namespace v8 {
namespace internal {

enum Encoding {
  LATIN1,
  UTF8,
  UTF16
};

const byte* ReadFileAndRepeat(const char* name, int* size, int repeat) {
  FILE* file = fopen(name, "rb");
  *size = 0;
  if (file == NULL) return NULL;

  fseek(file, 0, SEEK_END);
  int file_size = static_cast<int>(ftell(file));
  rewind(file);

  *size = file_size * repeat;

  byte* chars = new byte[*size + 1];
  for (int i = 0; i < file_size;) {
    int read = static_cast<int>(fread(&chars[i], 1, file_size - i, file));
    i += read;
  }
  fclose(file);

  for (int i = file_size; i < *size; i++) {
    chars[i] = chars[i - file_size];
  }
  chars[*size] = 0;

  return chars;
}

}  // namespace internal
}  // namespace v8