Mercurial > gnulib
view lib/acl_entries.c @ 40236:e3496deebf30
isatty: Make it return true in Cygwin consoles on native Windows.
* lib/isatty.c: Include <string.h>.
(GetProcAddress): New macro.
(GetNamedPipeClientProcessIdFuncType): New type.
(GetNamedPipeClientProcessIdFunc): New variable.
(QueryFullProcessImageNameFuncType): New type.
(QueryFullProcessImageNameFunc): New variable.
(initialized): New variable.
(initialize): New function.
(IsCygwinConsoleHandle): New function.
(isatty): Invoke it.
* doc/posix-functions/isatty.texi: Mention the issue.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Thu, 14 Mar 2019 23:54:28 +0100 |
parents | b06060465f09 |
children |
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/* Return the number of entries in an ACL. Copyright (C) 2002-2003, 2005-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. Written by Paul Eggert and Andreas Gruenbacher. */ #include <config.h> #include "acl-internal.h" /* This file assumes POSIX-draft like ACLs (Linux, FreeBSD, Mac OS X, IRIX, Tru64, Cygwin >= 2.5). */ /* Return the number of entries in ACL. Return -1 and set errno upon failure to determine it. */ int acl_entries (acl_t acl) { int count = 0; if (acl != NULL) { #if HAVE_ACL_FIRST_ENTRY /* Linux, FreeBSD, Mac OS X, Cygwin >= 2.5 */ # if HAVE_ACL_TYPE_EXTENDED /* Mac OS X */ /* acl_get_entry returns 0 when it successfully fetches an entry, and -1/EINVAL at the end. */ acl_entry_t ace; int got_one; for (got_one = acl_get_entry (acl, ACL_FIRST_ENTRY, &ace); got_one >= 0; got_one = acl_get_entry (acl, ACL_NEXT_ENTRY, &ace)) count++; # else /* Linux, FreeBSD, Cygwin >= 2.5 */ /* acl_get_entry returns 1 when it successfully fetches an entry, and 0 at the end. */ acl_entry_t ace; int got_one; for (got_one = acl_get_entry (acl, ACL_FIRST_ENTRY, &ace); got_one > 0; got_one = acl_get_entry (acl, ACL_NEXT_ENTRY, &ace)) count++; if (got_one < 0) return -1; # endif #else /* IRIX, Tru64 */ # if HAVE_ACL_TO_SHORT_TEXT /* IRIX */ /* Don't use acl_get_entry: it is undocumented. */ count = acl->acl_cnt; # endif # if HAVE_ACL_FREE_TEXT /* Tru64 */ /* Don't use acl_get_entry: it takes only one argument and does not work. */ count = acl->acl_num; # endif #endif } return count; }