kc3-lang/gnulib/modules

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    Commit

  • Hash : 3e035a5d
    Author : Eric Blake
    Date : 2009-12-04T08:26:23 

    mgetgroups: add xgetgroups, and avoid ENOSYS failures

ENOSYS implies that there are no supplemental groups, so we can
treat it the same as a return of 0 from getgroups rather than
exposing failure to the user.  This in turn fixes a crash in
coreutils' id, which freed an uninitialized pointer.

* lib/mgetgroups.h (xgetgroups): New prototype.
* lib/mgetgroups.c (xgetgroups): New wrapper.
(mgetgroups): Handle ENOSYS.
* modules/mgetgroups (Depends-on): Add realloc.
Reported by Scott Harrison <scott.gnu.2009@scottrix.co.uk>.

Signed-off-by: Eric Blake <ebb9@byu.net>

  • README

  • This directory contains metainformation about the gnulib modules, one or two
files per module. These files are used by gnulib-tool.

For every module,
  - the file <module> is the metainformation about the library code of the
    module,
  - the file <module>-tests is the metainformation about the unit test of
    the module (optional but recommended).

All the files in this directory are distributed under the following copyright:

  Copyright (C) 2002-2009 Free Software Foundation, Inc.
  Copying and distribution of this file, with or without modification,
  in any medium, are permitted without royalty provided the copyright
  notice and this notice are preserved.

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