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open-tests: port to glibc with _FORTIFY_SOURCE and -O1

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Problem reported by Daiki Ueno in:
http://lists.gnu.org/archive/html/bug-gnulib/2013-06/msg00052.html
* tests/test-open.h (__always_inline):
New macro, if not already defined.
(test_open): Use it.
This commit is contained in:
Paul Eggert
2013-12-05 09:22:20 -08:00
parent 74540d44dc
commit d6ba92ea47
2 changed files with 19 additions and 1 deletions
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9
ChangeLog
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@@ -1,3 +1,12 @@
2013-12-05 Paul Eggert <eggert@cs.ucla.edu>
open-tests: port to glibc with _FORTIFY_SOURCE and -O1
Problem reported by Daiki Ueno in:
http://lists.gnu.org/archive/html/bug-gnulib/2013-06/msg00052.html
* tests/test-open.h (__always_inline):
New macro, if not already defined.
(test_open): Use it.
2013-12-04 Eric Blake <eblake@redhat.com> 2013-12-04 Eric Blake <eblake@redhat.com>
include_next: minimize code duplication include_next: minimize code duplication

11
tests/test-open.h
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@@ -16,13 +16,22 @@
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
/* Make test_open always inline if we're using Fortify, which defines
__always_inline to do that. Do nothing otherwise. This works
around a glibc bug whereby 'open' cannot be used as a function
pointer when _FORTIFY_SOURCE is positive. */
#ifndef __always_inline
#define __always_inline
#endif
/* This file is designed to test both open(n,buf[,mode]) and /* This file is designed to test both open(n,buf[,mode]) and
openat(AT_FDCWD,n,buf[,mode]). FUNC is the function to test. openat(AT_FDCWD,n,buf[,mode]). FUNC is the function to test.
Assumes that BASE and ASSERT are already defined, and that Assumes that BASE and ASSERT are already defined, and that
appropriate headers are already included. If PRINT, warn before appropriate headers are already included. If PRINT, warn before
skipping symlink tests with status 77. */ skipping symlink tests with status 77. */
static int static int __always_inline
test_open (int (*func) (char const *, int, ...), bool print) test_open (int (*func) (char const *, int, ...), bool print)
{ {
int fd; int fd;