grtestl.cpp

来自「经典c++程序的实现」· C++ 代码 · 共 30 行

#include <stdio.h>
#include <iostream.h>
#include <assert.h>

#include "..\..\include\book.h"

#include "..\..\include\grlist.h"

void main(int argc, char** argv) {
  Graph G;
  FILE *fid;

  if (argc != 2) {
    cout << "Usage: grtestl <file>\n";
    exit(-1);
  }

  if ((fid = fopen(argv[1], "rt")) == NULL) {
    cout << "Unable to open file |" << argv[1] << "|\n";
    exit(-1);
  }

  if (!createGraph(G, fid)) {
    cout << "Unable to create graph\n";
    exit(-1);
  }

  Gprint(G);
}