Commit f20eaf0e authored by Petr Machata's avatar Petr Machata Committed by Petr Machata

Fix a test case so that it doesn't fail if ltrace config files are installed

parent 9ad15e2d
# This file is part of ltrace. # This file is part of ltrace.
# Copyright (C) 2013, 2014 Petr Machata, Red Hat Inc. # Copyright (C) 2013, 2014, 2015 Petr Machata, Red Hat Inc.
# #
# This program is free software; you can redistribute it and/or # This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as # modify it under the terms of the GNU General Public License as
...@@ -60,8 +60,33 @@ set conf [ltraceNamedSource "$dir/syscalls.conf" { ...@@ -60,8 +60,33 @@ set conf [ltraceNamedSource "$dir/syscalls.conf" {
# somelib.conf is passed, and syscalls.conf is not available, or # somelib.conf is passed, and syscalls.conf is not available, or
# doesn't list readdir, that would be taken from somelib.conf with a # doesn't list readdir, that would be taken from somelib.conf with a
# wrong prototype. # wrong prototype.
#
# This test relies on the fact that there is no global config file
# that would provide legitimate system call prototype. But that
# doesn't have to be true, maybe ltrace is already installed on the
# system with the right prefix. So first compile a wrapper that we
# use to redirect fopen calls.
set libfopen_so [ltraceCompile libfopen.so -ldl [ltraceSource c {
#define _GNU_SOURCE
#include <dlfcn.h>
#include <stdio.h>
#include <string.h>
FILE *
fopen(const char *path, const char *mode)
{
if (strncmp(path, "/usr/share", 10) == 0)
path = "/dev/null";
return ((FILE *(*)(const char *, const char *))
dlsym(RTLD_NEXT, "fopen")) (path, mode);
}
}]]
setenv LD_PRELOAD $libfopen_so
ltraceMatch1 [ltraceRun -L -S -F $conf -- $bin] {^[email protected]\("/some/path"} == 0 ltraceMatch1 [ltraceRun -L -S -F $conf -- $bin] {^[email protected]\("/some/path"} == 0
unsetenv LD_PRELOAD
# On the other hand, if -F somedir/ is given, we want to accept # On the other hand, if -F somedir/ is given, we want to accept
# syscalls.conf found there. # syscalls.conf found there.
......
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