#include <assert.h>

#include "lib.h"

struct recursive_reader recursive_reader_init() {
  FILE *pipe = popen("find \"$PWD\" -print", "r");
  assert(pipe != NULL);
  return (struct recursive_reader) { pipe, NULL, 0 };
}

int recursive_reader_read(struct recursive_reader *reader) {
  int n = getline(&reader->line, &reader->capacity, reader->pfile);
  reader->line[n - 1] = 0;
  return n;
}

void recursive_reader_deinit(struct recursive_reader reader) {
  free(reader.line);
  int status = pclose(reader.pfile);
  assert(status != -1);
}