/* dirparse.c
 * Richard Heathfield
 * Code to parse a directory tree in Win32.
 */

#include <stdio.h>
#include <string.h>

#include "windows.h"
#include "io.h"

int ParseDirectoryTree(const char *Path)
{
  int Status = 0;
  HANDLE FileHandle = {0};
  WIN32_FIND_DATA FileData = {0};
  char FullPath[MAX_PATH] = {0};
  char SubDirPath[MAX_PATH] = {0};

  sprintf(FullPath, "%s\\*.*", Path);
  fprintf(stderr, "Checking path %s\n", FullPath);

  FileHandle = FindFirstFile(FullPath, &FileData);

  if(INVALID_HANDLE_VALUE == FileHandle)
  {
    printf("Error in FindFirstFile for %s\n", FullPath);
  }
  else
  {
    do
    {
      if(strcmp(FileData.cFileName, ".") != 0 && strcmp(FileData.cFileName, "..") != 0)
      {
        if(FileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
        {
          sprintf(SubDirPath, "%s\\%s", Path, FileData.cFileName);
          Status = ParseDirectoryTree(SubDirPath);
        }
        else
        {
          printf("%s\\%s\n", Path, FileData.cFileName);
        }
      }
    } while(FindNextFile(FileHandle, &FileData));

    FindClose(FileHandle);
  }
 
  return Status;
}

int main(int argc, char **argv)
{
  if(argc < 2 || access(argv[1], 0))
  {
    puts("Usage: dirparse path");
    puts("e.g. dirparse c:\alldata");
    puts("Produces a directory listing");
    puts("of all files, including files in");
    puts("subdirectories.");
  }
  else
  {
    ParseDirectoryTree(argv[1]);
  }
  return 0;
}