magic.h 4.3 KB

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  1. /*
  2. * Copyright (c) Christos Zoulas 2003.
  3. * All Rights Reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice immediately at the beginning of the file, without modification,
  10. * this list of conditions, and the following disclaimer.
  11. * 2. Redistributions in binary form must reproduce the above copyright
  12. * notice, this list of conditions and the following disclaimer in the
  13. * documentation and/or other materials provided with the distribution.
  14. *
  15. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  19. * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25. * SUCH DAMAGE.
  26. */
  27. #ifndef _MAGIC_H
  28. #define _MAGIC_H
  29. #include <sys/types.h>
  30. #define MAGIC_NONE 0x000000 /* No flags */
  31. #define MAGIC_DEBUG 0x000001 /* Turn on debugging */
  32. #define MAGIC_SYMLINK 0x000002 /* Follow symlinks */
  33. #define MAGIC_COMPRESS 0x000004 /* Check inside compressed files */
  34. #define MAGIC_DEVICES 0x000008 /* Look at the contents of devices */
  35. #define MAGIC_MIME_TYPE 0x000010 /* Return the MIME type */
  36. #define MAGIC_CONTINUE 0x000020 /* Return all matches */
  37. #define MAGIC_CHECK 0x000040 /* Print warnings to stderr */
  38. #define MAGIC_PRESERVE_ATIME 0x000080 /* Restore access time on exit */
  39. #define MAGIC_RAW 0x000100 /* Don't translate unprintable chars */
  40. #define MAGIC_ERROR 0x000200 /* Handle ENOENT etc as real errors */
  41. #define MAGIC_MIME_ENCODING 0x000400 /* Return the MIME encoding */
  42. #define MAGIC_MIME (MAGIC_MIME_TYPE|MAGIC_MIME_ENCODING)
  43. #define MAGIC_APPLE 0x000800 /* Return the Apple creator and type */
  44. #define MAGIC_NO_CHECK_COMPRESS 0x001000 /* Don't check for compressed files */
  45. #define MAGIC_NO_CHECK_TAR 0x002000 /* Don't check for tar files */
  46. #define MAGIC_NO_CHECK_SOFT 0x004000 /* Don't check magic entries */
  47. #define MAGIC_NO_CHECK_APPTYPE 0x008000 /* Don't check application type */
  48. #define MAGIC_NO_CHECK_ELF 0x010000 /* Don't check for elf details */
  49. #define MAGIC_NO_CHECK_TEXT 0x020000 /* Don't check for text files */
  50. #define MAGIC_NO_CHECK_CDF 0x040000 /* Don't check for cdf files */
  51. #define MAGIC_NO_CHECK_TOKENS 0x100000 /* Don't check tokens */
  52. #define MAGIC_NO_CHECK_ENCODING 0x200000 /* Don't check text encodings */
  53. /* No built-in tests; only consult the magic file */
  54. #define MAGIC_NO_CHECK_BUILTIN ( \
  55. MAGIC_NO_CHECK_COMPRESS | \
  56. MAGIC_NO_CHECK_TAR | \
  57. /* MAGIC_NO_CHECK_SOFT | */ \
  58. MAGIC_NO_CHECK_APPTYPE | \
  59. MAGIC_NO_CHECK_ELF | \
  60. MAGIC_NO_CHECK_TEXT | \
  61. MAGIC_NO_CHECK_CDF | \
  62. MAGIC_NO_CHECK_TOKENS | \
  63. MAGIC_NO_CHECK_ENCODING | \
  64. 0 \
  65. )
  66. /* Defined for backwards compatibility (renamed) */
  67. #define MAGIC_NO_CHECK_ASCII MAGIC_NO_CHECK_TEXT
  68. /* Defined for backwards compatibility; do nothing */
  69. #define MAGIC_NO_CHECK_FORTRAN 0x000000 /* Don't check ascii/fortran */
  70. #define MAGIC_NO_CHECK_TROFF 0x000000 /* Don't check ascii/troff */
  71. #define MAGIC_VERSION 519 /* This implementation */
  72. #ifdef __cplusplus
  73. extern "C" {
  74. #endif
  75. typedef struct magic_set *magic_t;
  76. magic_t magic_open(int);
  77. void magic_close(magic_t);
  78. const char *magic_getpath(const char *, int);
  79. const char *magic_file(magic_t, const char *);
  80. const char *magic_descriptor(magic_t, int);
  81. const char *magic_buffer(magic_t, const void *, size_t);
  82. const char *magic_error(magic_t);
  83. int magic_setflags(magic_t, int);
  84. int magic_version(void);
  85. int magic_load(magic_t, const char *);
  86. int magic_load_buffers(struct magic_set *, void **, size_t *, size_t);
  87. int magic_compile(magic_t, const char *);
  88. int magic_check(magic_t, const char *);
  89. int magic_list(magic_t, const char *);
  90. int magic_errno(magic_t);
  91. #ifdef __cplusplus
  92. };
  93. #endif
  94. #endif /* _MAGIC_H */