kc3-lang/gnulib/modules/lchown

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• Hash : d682f8de
  Author :
  Date : 2022-06-12T13:46:52
  

  fchmodat: port better to MS-Windows etc.
  
  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.
  

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• modules/lchown

• Description:
  lchown() function: change ownership of a file, without following symlinks.
  
  Files:
  lib/lchown.c
  m4/lchown.m4
  
  Depends-on:
  unistd
  readlink        [test $HAVE_LCHOWN = 0]
  chown           [test $HAVE_LCHOWN = 0 || test $REPLACE_LCHOWN = 1]
  errno           [test $HAVE_LCHOWN = 0 || test $REPLACE_LCHOWN = 1]
  stdbool         [test $HAVE_LCHOWN = 0 || test $REPLACE_LCHOWN = 1]
  sys_stat        [test $HAVE_LCHOWN = 0 || test $REPLACE_LCHOWN = 1]
  lstat           [test $REPLACE_LCHOWN = 1]
  
  configure.ac:
  gl_FUNC_LCHOWN
  gl_CONDITIONAL([GL_COND_OBJ_LCHOWN],
                 [test $HAVE_LCHOWN = 0 || test $REPLACE_LCHOWN = 1])
  gl_UNISTD_MODULE_INDICATOR([lchown])
  
  Makefile.am:
  if GL_COND_OBJ_LCHOWN
  lib_SOURCES += lchown.c
  endif
  
  Include:
  <unistd.h>
  
  License:
  LGPLv2+
  
  Maintainer:
  Jim Meyering, Eric Blake
  

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