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/*
 * Various filesystem utilities.
 */
#pragma once

#include <stddef.h>
#include <stdio.h>

#define WITH_FILE(FILEPATH, BODY)       \
  {                                     \
    assert(FILEPATH);                   \
    FILE* file = fopen(FILEPATH, "rb"); \
    if (file) {                         \
      BODY;                             \
      fclose(file);                     \
    }                                   \
  }

/// Get the file's size.
size_t get_file_size(const char* filename);

/// Get the file's size.
size_t get_file_size_f(FILE* file);

/// Read the entire contents of the file into memory.
void* read_file(const char* filepath);

/// Read the entire contents of the file into memory.
///
/// The given buffer must be large enough to hold the file's contents.
bool read_file_f(FILE*, void* buffer);