From 10f7bdebe570e42d1f7a43de4f90eda8ccb4f0da Mon Sep 17 00:00:00 2001 From: Siddhesh Poyarekar Date: Fri, 17 Dec 2021 18:35:44 +0530 Subject: fortify: Fix spurious warning with realpath The length and object size arguments were swapped around for realpath. Also add a smoke test so that any changes in this area get caught in future. Signed-off-by: Siddhesh Poyarekar Reviewed-by: Adhemerval Zanella (cherry picked from commit 2bbd07c715275eb6c616988925738a0517180d57) --- debug/tst-realpath-chk.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 debug/tst-realpath-chk.c (limited to 'debug/tst-realpath-chk.c') diff --git a/debug/tst-realpath-chk.c b/debug/tst-realpath-chk.c new file mode 100644 index 0000000000..a8fcb327c4 --- /dev/null +++ b/debug/tst-realpath-chk.c @@ -0,0 +1,37 @@ +/* Smoke test to verify that realpath does not cause spurious warnings. + Copyright The GNU Toolchain Authors. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include + +#include +#include + +static int +do_test (void) +{ +#ifdef PATH_MAX + char buf[PATH_MAX + 1]; + char *res = realpath (".", buf); + TEST_VERIFY (res == buf); +#endif + + return 0; +} + +#include -- cgit v1.2.3