zend_stream.h 3.4 KB

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  1. /*
  2. +----------------------------------------------------------------------+
  3. | Zend Engine |
  4. +----------------------------------------------------------------------+
  5. | Copyright (c) 1998-2018 Zend Technologies Ltd. (http://www.zend.com) |
  6. +----------------------------------------------------------------------+
  7. | This source file is subject to version 2.00 of the Zend license, |
  8. | that is bundled with this package in the file LICENSE, and is |
  9. | available through the world-wide-web at the following url: |
  10. | http://www.zend.com/license/2_00.txt. |
  11. | If you did not receive a copy of the Zend license and are unable to |
  12. | obtain it through the world-wide-web, please send a note to |
  13. | license@zend.com so we can mail you a copy immediately. |
  14. +----------------------------------------------------------------------+
  15. | Authors: Wez Furlong <wez@thebrainroom.com> |
  16. | Scott MacVicar <scottmac@php.net> |
  17. | Nuno Lopes <nlopess@php.net> |
  18. | Marcus Boerger <helly@php.net> |
  19. +----------------------------------------------------------------------+
  20. */
  21. #ifndef ZEND_STREAM_H
  22. #define ZEND_STREAM_H
  23. #include <sys/types.h>
  24. #include <sys/stat.h>
  25. /* Lightweight stream implementation for the ZE scanners.
  26. * These functions are private to the engine.
  27. * */
  28. typedef size_t (*zend_stream_fsizer_t)(void* handle);
  29. typedef size_t (*zend_stream_reader_t)(void* handle, char *buf, size_t len);
  30. typedef void (*zend_stream_closer_t)(void* handle);
  31. #define ZEND_MMAP_AHEAD 32
  32. typedef enum {
  33. ZEND_HANDLE_FILENAME,
  34. ZEND_HANDLE_FD,
  35. ZEND_HANDLE_FP,
  36. ZEND_HANDLE_STREAM,
  37. ZEND_HANDLE_MAPPED
  38. } zend_stream_type;
  39. typedef struct _zend_mmap {
  40. size_t len;
  41. size_t pos;
  42. void *map;
  43. char *buf;
  44. void *old_handle;
  45. zend_stream_closer_t old_closer;
  46. } zend_mmap;
  47. typedef struct _zend_stream {
  48. void *handle;
  49. int isatty;
  50. zend_mmap mmap;
  51. zend_stream_reader_t reader;
  52. zend_stream_fsizer_t fsizer;
  53. zend_stream_closer_t closer;
  54. } zend_stream;
  55. typedef struct _zend_file_handle {
  56. union {
  57. int fd;
  58. FILE *fp;
  59. zend_stream stream;
  60. } handle;
  61. const char *filename;
  62. zend_string *opened_path;
  63. zend_stream_type type;
  64. zend_bool free_filename;
  65. } zend_file_handle;
  66. BEGIN_EXTERN_C()
  67. ZEND_API int zend_stream_open(const char *filename, zend_file_handle *handle);
  68. ZEND_API int zend_stream_fixup(zend_file_handle *file_handle, char **buf, size_t *len);
  69. ZEND_API void zend_file_handle_dtor(zend_file_handle *fh);
  70. ZEND_API int zend_compare_file_handles(zend_file_handle *fh1, zend_file_handle *fh2);
  71. END_EXTERN_C()
  72. #ifdef _WIN64
  73. # define zend_fseek _fseeki64
  74. # define zend_ftell _ftelli64
  75. # define zend_lseek _lseeki64
  76. # define zend_fstat _fstat64
  77. # define zend_stat _stat64
  78. typedef struct __stat64 zend_stat_t;
  79. #else
  80. # define zend_fseek fseek
  81. # define zend_ftell ftell
  82. # define zend_lseek lseek
  83. # define zend_fstat fstat
  84. # define zend_stat stat
  85. typedef struct stat zend_stat_t;
  86. #endif
  87. #endif
  88. /*
  89. * Local variables:
  90. * tab-width: 4
  91. * c-basic-offset: 4
  92. * indent-tabs-mode: t
  93. * End:
  94. * vim600: sw=4 ts=4 fdm=marker
  95. * vim<600: sw=4 ts=4
  96. */