glob.h 7.5 KB

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  1. /* Copyright (C) 1991,92,95-98,2000,2001,2004 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #ifndef _GLOB_H
  15. #define _GLOB_H 1
  16. #include <sys/cdefs.h>
  17. __BEGIN_DECLS
  18. /* We need `size_t' for the following definitions. */
  19. #ifndef __size_t
  20. # if defined __GNUC__ && __GNUC__ >= 2
  21. typedef __SIZE_TYPE__ __size_t;
  22. # ifdef __USE_XOPEN
  23. typedef __SIZE_TYPE__ size_t;
  24. # endif
  25. # else
  26. # include <stddef.h>
  27. # ifndef __size_t
  28. # define __size_t size_t
  29. # endif
  30. # endif
  31. #else
  32. /* The GNU CC stddef.h version defines __size_t as empty. We need a real
  33. definition. */
  34. # undef __size_t
  35. # define __size_t size_t
  36. #endif
  37. /* Bits set in the FLAGS argument to `glob'. */
  38. #define GLOB_ERR (1 << 0)/* Return on read errors. */
  39. #define GLOB_MARK (1 << 1)/* Append a slash to each name. */
  40. #define GLOB_NOSORT (1 << 2)/* Don't sort the names. */
  41. #define GLOB_DOOFFS (1 << 3)/* Insert PGLOB->gl_offs NULLs. */
  42. #define GLOB_NOCHECK (1 << 4)/* If nothing matches, return the pattern. */
  43. #define GLOB_APPEND (1 << 5)/* Append to results of a previous call. */
  44. #define GLOB_NOESCAPE (1 << 6)/* Backslashes don't quote metacharacters. */
  45. #define GLOB_PERIOD (1 << 7)/* Leading `.' can be matched by metachars. */
  46. #if ( !defined __USE_POSIX2 || defined __USE_BSD || defined __USE_GNU ) && defined __UCLIBC_HAS_GNU_GLOB__
  47. # define GLOB_MAGCHAR (1 << 8)/* Set in gl_flags if any metachars seen. */
  48. #if 1 /* uClibc gnu glob does not support these */
  49. # define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions. */
  50. # define GLOB_BRACE (1 << 10)/* Expand "{a,b}" to "a" "b". */
  51. # define GLOB_NOMAGIC (1 << 11)/* If no magic chars, return the pattern. */
  52. # define GLOB_TILDE (1 << 12)/* Expand ~user and ~ to home directories. */
  53. # define GLOB_ONLYDIR (1 << 13)/* Match only directories. */
  54. # define GLOB_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error
  55. if the user name is not available. */
  56. # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
  57. GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
  58. GLOB_PERIOD|GLOB_ALTDIRFUNC|GLOB_BRACE| \
  59. GLOB_NOMAGIC|GLOB_TILDE|GLOB_ONLYDIR|GLOB_TILDE_CHECK)
  60. #else
  61. # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
  62. GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
  63. GLOB_PERIOD)
  64. #endif
  65. #else
  66. # define __GLOB_FLAGS (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
  67. GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND| \
  68. GLOB_PERIOD)
  69. #endif
  70. /* Error returns from `glob'. */
  71. #define GLOB_NOSPACE 1 /* Ran out of memory. */
  72. #define GLOB_ABORTED 2 /* Read error. */
  73. #define GLOB_NOMATCH 3 /* No matches found. */
  74. #define GLOB_NOSYS 4 /* Not implemented. */
  75. #if defined __USE_GNU && defined __UCLIBC_HAS_GNU_GLOB__
  76. /* Previous versions of this file defined GLOB_ABEND instead of
  77. GLOB_ABORTED. Provide a compatibility definition here. */
  78. # define GLOB_ABEND GLOB_ABORTED
  79. #endif
  80. /* Structure describing a globbing run. */
  81. #if defined __USE_GNU && defined __UCLIBC_HAS_GNU_GLOB__
  82. struct stat;
  83. #endif
  84. typedef struct
  85. {
  86. __size_t gl_pathc; /* Count of paths matched by the pattern. */
  87. char **gl_pathv; /* List of matched pathnames. */
  88. __size_t gl_offs; /* Slots to reserve in `gl_pathv'. */
  89. #ifdef __UCLIBC_HAS_GNU_GLOB__
  90. int gl_flags; /* Set to FLAGS, maybe | GLOB_MAGCHAR. */
  91. #if 1 /* uClibc gnu glob does not support these */
  92. /* If the GLOB_ALTDIRFUNC flag is set, the following functions
  93. are used instead of the normal file access functions. */
  94. void (*gl_closedir) (void *);
  95. #ifdef __USE_GNU
  96. struct dirent *(*gl_readdir) (void *);
  97. #else
  98. void *(*gl_readdir) (void *);
  99. #endif
  100. void *(*gl_opendir) (const char *);
  101. #ifdef __USE_GNU
  102. int (*gl_lstat) (const char *__restrict, struct stat *__restrict);
  103. int (*gl_stat) (const char *__restrict, struct stat *__restrict);
  104. #else
  105. int (*gl_lstat) (const char *__restrict, void *__restrict);
  106. int (*gl_stat) (const char *__restrict, void *__restrict);
  107. #endif
  108. #endif
  109. #endif /* __UCLIBC_HAS_GNU_GLOB__ */
  110. } glob_t;
  111. #ifdef __USE_LARGEFILE64
  112. # if defined __USE_GNU && defined __UCLIBC_HAS_GNU_GLOB__
  113. struct stat64;
  114. # endif
  115. typedef struct
  116. {
  117. __size_t gl_pathc;
  118. char **gl_pathv;
  119. __size_t gl_offs;
  120. #ifdef __UCLIBC_HAS_GNU_GLOB__
  121. int gl_flags;
  122. #if 1 /* uClibc gnu glob does not support these */
  123. /* If the GLOB_ALTDIRFUNC flag is set, the following functions
  124. are used instead of the normal file access functions. */
  125. void (*gl_closedir) (void *);
  126. # ifdef __USE_GNU
  127. struct dirent64 *(*gl_readdir) (void *);
  128. # else
  129. void *(*gl_readdir) (void *);
  130. # endif
  131. void *(*gl_opendir) (const char *);
  132. # ifdef __USE_GNU
  133. int (*gl_lstat) (const char *__restrict, struct stat64 *__restrict);
  134. int (*gl_stat) (const char *__restrict, struct stat64 *__restrict);
  135. # else
  136. int (*gl_lstat) (const char *__restrict, void *__restrict);
  137. int (*gl_stat) (const char *__restrict, void *__restrict);
  138. # endif
  139. #endif
  140. #endif /* __UCLIBC_HAS_GNU_GLOB__ */
  141. } glob64_t;
  142. #endif
  143. #if defined(__USE_FILE_OFFSET64) && __GNUC__ < 2
  144. # define glob glob64
  145. # define globfree globfree64
  146. #endif
  147. /* Do glob searching for PATTERN, placing results in PGLOB.
  148. The bits defined above may be set in FLAGS.
  149. If a directory cannot be opened or read and ERRFUNC is not nil,
  150. it is called with the pathname that caused the error, and the
  151. `errno' value from the failing call; if it returns non-zero
  152. `glob' returns GLOB_ABEND; if it returns zero, the error is ignored.
  153. If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
  154. Otherwise, `glob' returns zero. */
  155. #if !defined __USE_FILE_OFFSET64 || __GNUC__ < 2
  156. extern int glob (const char *__restrict __pattern, int __flags,
  157. int (*__errfunc) (const char *, int),
  158. glob_t *__restrict __pglob) __THROW;
  159. libc_hidden_proto(glob)
  160. /* Free storage allocated in PGLOB by a previous `glob' call. */
  161. extern void globfree (glob_t *__pglob) __THROW;
  162. libc_hidden_proto(globfree)
  163. #else
  164. extern int __REDIRECT_NTH (glob, (const char *__restrict __pattern,
  165. int __flags,
  166. int (*__errfunc) (const char *, int),
  167. glob_t *__restrict __pglob), glob64);
  168. extern void __REDIRECT_NTH (globfree, (glob_t *__pglob), globfree64);
  169. #endif
  170. #ifdef __USE_LARGEFILE64
  171. extern int glob64 (const char *__restrict __pattern, int __flags,
  172. int (*__errfunc) (const char *, int),
  173. glob64_t *__restrict __pglob) __THROW;
  174. libc_hidden_proto(glob64)
  175. extern void globfree64 (glob64_t *__pglob) __THROW;
  176. libc_hidden_proto(globfree64)
  177. #endif
  178. #if defined __USE_GNU && defined __UCLIBC_HAS_GNU_GLOB__
  179. /* Return nonzero if PATTERN contains any metacharacters.
  180. Metacharacters can be quoted with backslashes if QUOTE is nonzero.
  181. This function is not part of the interface specified by POSIX.2
  182. but several programs want to use it. */
  183. extern int glob_pattern_p (const char *__pattern, int __quote) __THROW;
  184. libc_hidden_proto(glob_pattern_p)
  185. #endif
  186. __END_DECLS
  187. #endif /* glob.h */