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Last change
on this file since 3627 was 2595, checked in by bird, 13 years ago |
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gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)
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| 1 | # serial 12
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| 2 |
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| 3 | dnl From Jim Meyering.
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| 4 | dnl
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| 5 | dnl Check whether struct dirent has a member named d_ino.
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| 6 | dnl
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| 7 |
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| 8 | # Copyright (C) 1997, 1999-2001, 2003-2004, 2006-2007, 2009-2012 Free Software
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| 9 | # Foundation, Inc.
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| 10 |
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| 11 | # This file is free software; the Free Software Foundation
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| 12 | # gives unlimited permission to copy and/or distribute it,
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| 13 | # with or without modifications, as long as this notice is preserved.
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| 14 |
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| 15 | AC_DEFUN([gl_CHECK_TYPE_STRUCT_DIRENT_D_INO],
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| 16 | [AC_CACHE_CHECK([for d_ino member in directory struct],
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| 17 | gl_cv_struct_dirent_d_ino,
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| 18 | [AC_RUN_IFELSE(
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| 19 | [AC_LANG_PROGRAM(
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| 20 | [[#include <sys/types.h>
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| 21 | #include <sys/stat.h>
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| 22 | #include <dirent.h>
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| 23 | ]],
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| 24 | [[DIR *dp = opendir (".");
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| 25 | struct dirent *e;
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| 26 | struct stat st;
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| 27 | if (! dp)
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| 28 | return 1;
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| 29 | e = readdir (dp);
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| 30 | if (! e)
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| 31 | return 2;
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| 32 | if (stat (e->d_name, &st) != 0)
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| 33 | return 3;
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| 34 | if (e->d_ino != st.st_ino)
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| 35 | return 4;
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| 36 | return 0;
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| 37 | ]])],
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| 38 | [gl_cv_struct_dirent_d_ino=yes],
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| 39 | [gl_cv_struct_dirent_d_ino=no],
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| 40 | [gl_cv_struct_dirent_d_ino=no])])
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| 41 | if test $gl_cv_struct_dirent_d_ino = yes; then
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| 42 | AC_DEFINE([D_INO_IN_DIRENT], [1],
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| 43 | [Define if struct dirent has a member d_ino that actually works.])
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| 44 | fi
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| 45 | ]
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| 46 | )
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