From 6bf789d69e6be48419094ca98f064e00297a27d5 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Mon, 28 Jun 2021 08:33:57 +0200 Subject: elf: Generalize name-based DSO recognition in ldconfig This introduces and the _dl_is_dso function. A test ensures that the official names of libc.so, ld.so, and their versioned names are recognized. Reviewed-by: Carlos O'Donell Tested-by: Carlos O'Donell --- elf/tst-dl-is_dso.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 elf/tst-dl-is_dso.c (limited to 'elf/tst-dl-is_dso.c') diff --git a/elf/tst-dl-is_dso.c b/elf/tst-dl-is_dso.c new file mode 100644 index 0000000000..48d2cc9fbe --- /dev/null +++ b/elf/tst-dl-is_dso.c @@ -0,0 +1,35 @@ +/* Test heuristic for recognizing DSO file names. + Copyright (C) 2021 Free Software Foundation, Inc. + 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 + +static int +do_test (void) +{ + /* Official ABI names. */ + TEST_VERIFY (_dl_is_dso (LIBC_SO)); + TEST_VERIFY (_dl_is_dso (LD_SO)); + /* Version-based names. The version number does not matter. */ + TEST_VERIFY (_dl_is_dso ("libc-2.12.so")); + TEST_VERIFY (_dl_is_dso ("ld-2.12.so")); + return 0; +} + +#include -- cgit v1.2.3