posix/fnmatch.h

   1 /* Copyright (C) 1991-2023 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _FNMATCH_H
  19 #define _FNMATCH_H      1
  20
  21 #ifdef  __cplusplus
  22 extern "C" {
  23 #endif
  24
  25 /* We #undef these before defining them because some losing systems
  26    (HP-UX A.08.07 for example) define these in <unistd.h>.  */
  27 #undef  FNM_PATHNAME
  28 #undef  FNM_NOESCAPE
  29 #undef  FNM_PERIOD
  30
  31 /* Bits set in the FLAGS argument to `fnmatch'.  */
  32 #define FNM_PATHNAME    (1 << 0) /* No wildcard can ever match `/'.  */
  33 #define FNM_NOESCAPE    (1 << 1) /* Backslashes don't quote special chars.  */
  34 #define FNM_PERIOD      (1 << 2) /* Leading `.' is matched only explicitly.  */
  35
  36 #if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 2 || defined _GNU_SOURCE
  37 # define FNM_FILE_NAME   FNM_PATHNAME   /* Preferred GNU name.  */
  38 # define FNM_LEADING_DIR (1 << 3)       /* Ignore `/...' after a match.  */
  39 # define FNM_CASEFOLD    (1 << 4)       /* Compare without regard to case.  */
  40 # define FNM_EXTMATCH    (1 << 5)       /* Use ksh-like extended matching. */
  41 #endif
  42
  43 /* Value returned by `fnmatch' if STRING does not match PATTERN.  */
  44 #define FNM_NOMATCH     1
  45
  46 /* This value is returned if the implementation does not support
  47    `fnmatch'.  Since this is not the case here it will never be
  48    returned but the conformance test suites still require the symbol
  49    to be defined.  */
  50 #ifdef _XOPEN_SOURCE
  51 # define FNM_NOSYS      (-1)
  52 #endif
  53
  54 /* Match NAME against the filename pattern PATTERN,
  55    returning zero if it matches, FNM_NOMATCH if not.  */
  56 extern int fnmatch (const char *__pattern, const char *__name, int __flags);
  57
  58 #ifdef  __cplusplus
  59 }
  60 #endif
  61
  62 #endif /* fnmatch.h */