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Paul Eggert
d682f8de7f
MS-Windows problem reported by Bruno Haible in: https://lists.gnu.org/r/bug-gnulib/2022-06/msg00041.html Although I don’t use MS-Windows I see some related fstatat etc. problems and am trying to fix them with this further patch. * lib/fchmodat.c (fchmodat): * lib/lchmod.c (lchmod): * lib/lchown.c (lchown) [!HAVE_LCHOWN && HAVE_CHOWN && !CHOWN_MODIFIES_SYMLINK]: * lib/renameatu.c (renameatu) [HAVE_RENAME && RENAME_TRAILING_SLASH_SOURCE_BUG]: Use readlinkat/readlink instead of fstatat/lstat to test merely whether a string names a symlink, as this avoids problems with EOVERFLOW. Also, I hope it works around the MS-Windows issues that Bruno noted. * m4/fchmodat.m4 (gl_PREREQ_FCHMODAT): Check for readlinkat, not lchmod. * m4/lchmod.m4 (gl_FUNC_LCHMOD): Do not require AC_CANONICAL_HOST or check for lstat. (gl_PREREQ_LCHMOD): Check for readlink. * modules/lchown (Depends-on): Add readlink. Do not depend on lstat merely because !HAVE_LCHOWN. * modules/renameatu (Depends-on): Add fstatat, readlinkat.
46 lines
1.1 KiB
Plaintext
46 lines
1.1 KiB
Plaintext
Description:
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renameatu() function: rename a file, relative to two dirs, with unsigned flag
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Files:
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lib/at-func2.c
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lib/renameatu.c
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lib/renameatu.h
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m4/renameat.m4
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Depends-on:
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stdio
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extensions
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fcntl-h
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filenamecat-lgpl [test $HAVE_RENAMEAT = 0 || test $REPLACE_RENAMEAT = 1]
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openat-h [test $HAVE_RENAMEAT = 0 || test $REPLACE_RENAMEAT = 1]
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fstatat [test $REPLACE_RENAMEAT = 1]
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readlinkat [test $REPLACE_RENAMEAT = 1]
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stdbool [test $REPLACE_RENAMEAT = 1]
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at-internal [test $HAVE_RENAMEAT = 0]
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filename [test $HAVE_RENAMEAT = 0]
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fstat [test $HAVE_RENAMEAT = 0]
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getcwd-lgpl [test $HAVE_RENAMEAT = 0]
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openat-die [test $HAVE_RENAMEAT = 0]
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rename [test $HAVE_RENAMEAT = 0]
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same-inode [test $HAVE_RENAMEAT = 0]
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save-cwd [test $HAVE_RENAMEAT = 0]
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stat [test $HAVE_RENAMEAT = 0]
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configure.ac:
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gl_FUNC_RENAMEAT
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if test $HAVE_RENAMEAT = 0; then
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AC_LIBOBJ([at-func2])
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fi
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Makefile.am:
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lib_SOURCES += renameatu.c
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Include:
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"renameatu.h"
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License:
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GPL
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Maintainer:
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Jim Meyering, Eric Blake
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