/*

   +----------------------------------------------------------------------+

   | Zend Engine                                                          |

   +----------------------------------------------------------------------+

   | Copyright (c) Zend Technologies Ltd. (http://www.zend.com)           |

   +----------------------------------------------------------------------+

   | This source file is subject to version 2.00 of the Zend license,     |

   | that is bundled with this package in the file LICENSE, and is        |

   | available through the world-wide-web at the following url:           |

   | http://www.zend.com/license/2_00.txt.                                |

   | If you did not receive a copy of the Zend license and are unable to  |

   | obtain it through the world-wide-web, please send a note to          |

   | license@zend.com so we can mail you a copy immediately.              |

   +----------------------------------------------------------------------+

   | Authors: Wez Furlong <wez@thebrainroom.com>                          |

   |          Scott MacVicar <scottmac@php.net>                           |

   |          Nuno Lopes <nlopess@php.net>                                |

   |          Marcus Boerger <helly@php.net>                              |

   +----------------------------------------------------------------------+

*/

#ifndef ZEND_STREAM_H

#define ZEND_STREAM_H

#include <sys/types.h>

#include <sys/stat.h>

/* Lightweight stream implementation for the ZE scanners.

 * These functions are private to the engine.

 * */

typedef size_t (*zend_stream_fsizer_t)(void* handle);

typedef ssize_t (*zend_stream_reader_t)(void* handle, char *buf, size_t len);

typedef void   (*zend_stream_closer_t)(void* handle);

#define ZEND_MMAP_AHEAD 32

typedef enum {

  ZEND_HANDLE_FILENAME,

  ZEND_HANDLE_FP,

  ZEND_HANDLE_STREAM

} zend_stream_type;

typedef struct _zend_stream {

  void        *handle;

  int         isatty;

  zend_stream_reader_t   reader;

  zend_stream_fsizer_t   fsizer;

  zend_stream_closer_t   closer;

} zend_stream;

typedef struct _zend_file_handle {

  union {

    FILE          *fp;

    zend_stream   stream;

  } handle;

  const char        *filename;

  zend_string       *opened_path;

  zend_stream_type  type;

  /* free_filename is used by wincache */

  /* TODO: Clean up filename vs opened_path mess */

  zend_bool         free_filename;

  char              *buf;

  size_t            len;

} zend_file_handle;

BEGIN_EXTERN_C()

ZEND_API void zend_stream_init_fp(zend_file_handle *handle, FILE *fp, const char *filename);

ZEND_API void zend_stream_init_filename(zend_file_handle *handle, const char *filename);

ZEND_API zend_result zend_stream_open(const char *filename, zend_file_handle *handle);

ZEND_API zend_result zend_stream_fixup(zend_file_handle *file_handle, char **buf, size_t *len);

ZEND_API void zend_file_handle_dtor(zend_file_handle *fh);

ZEND_API int zend_compare_file_handles(zend_file_handle *fh1, zend_file_handle *fh2);

END_EXTERN_C()

#ifdef ZEND_WIN32

# include "win32/ioutil.h"

typedef php_win32_ioutil_stat_t zend_stat_t;

#ifdef _WIN64

#  define zend_fseek _fseeki64

#  define zend_ftell _ftelli64

#  define zend_lseek _lseeki64

# else

#  define zend_fseek fseek

#  define zend_ftell ftell

#  define zend_lseek lseek

# endif

# define zend_fstat php_win32_ioutil_fstat

# define zend_stat php_win32_ioutil_stat

#else

typedef struct stat zend_stat_t;

# define zend_fseek fseek

# define zend_ftell ftell

# define zend_lseek lseek

# define zend_fstat fstat

# define zend_stat stat

#endif

#endif