tests: use program_invocation_name

We're using _GNU_SOURCE, so it's ok to use program_invocation_name
instead of storing it manually.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>

diff --git a/tests/gpiod-test.c b/tests/gpiod-test.c
index 7b692721964aefc386c05bd0a2c09eaeef0e8384..84317b0f589e0cc474a542b0c2fe8f867c18c83c 100644 (file)
--- a/tests/gpiod-test.c
+++ b/tests/gpiod-test.c
@@ -88,7 +88,6 @@ static struct {
        struct kmod_module *module;
        struct test_context test_ctx;
        pid_t main_pid;
-       char *progpath;
        int pipesize;
        char *pipebuf;
 } globals;
@@ -456,7 +455,7 @@ static char * gpiotool_proc_get_path(const char *tool)
 {
        char *path, *progpath, *progdir;
 
-       progpath = xstrdup(globals.progpath);
+       progpath = xstrdup(program_invocation_name);
        progdir = dirname(progpath);
        path = xappend(NULL, "%s/../../src/tools/%s", progdir, tool);
        free(progpath);
@@ -982,12 +981,11 @@ static void teardown_test(void)
        }
 }
 
-int main(int argc TEST_UNUSED, char **argv)
+int main(int argc TEST_UNUSED, char **argv TEST_UNUSED)
 {
        struct _test_case *test;
 
        globals.main_pid = getpid();
-       globals.progpath = argv[0];
        globals.pipesize = get_pipesize();
        globals.pipebuf = xmalloc(globals.pipesize);
        atexit(cleanup_func);