opt: neaten tests with helpers.

[ccan] / ccan / opt / test / run-helpers.c

diff --git a/ccan/opt/test/run-helpers.c b/ccan/opt/test/run-helpers.c
index 8cf229cc6acc230fd6e32bd794938f24c967d141..589962fe4d8fadaffe6dc4cafd2764b2b5838a22 100644 (file)
--- a/ccan/opt/test/run-helpers.c
+++ b/ccan/opt/test/run-helpers.c
@@ -72,6 +72,18 @@ static void *saved_malloc(size_t size)
        return last_allocation = malloc(size);
 }
 
+static void set_args(int *argc, char ***argv, ...)
+{
+       va_list ap;
+       *argv = malloc(sizeof(**argv) * 20);
+
+       va_start(ap, argv);
+       for (*argc = 0;
+            ((*argv)[*argc] = va_arg(ap, char*)) != NULL;
+            (*argc)++);
+       va_end(ap);
+}
+
 /* Test helpers. */
 int main(int argc, char *argv[])
 {
@@ -985,11 +997,7 @@ int main(int argc, char *argv[])
                /* parse_args allocates argv */
                free(argv);
 
-               argc = 2;
-               argv = malloc(sizeof(argv[0]) * 3);
-               argv[0] = (char *)"thisprog";
-               argv[1] = (char *)"-a";
-               argv[2] = NULL;
+               set_args(&argc, &argv, "thisprog", "-a", NULL);
 
                exitval = setjmp(exited);
                if (exitval == 0) {
@@ -1011,11 +1019,7 @@ int main(int argc, char *argv[])
                opt_register_noarg("-a",
                                   opt_usage_and_exit, "[args]", "");
 
-               argc = 2;
-               argv = malloc(sizeof(argv[0]) * 3);
-               argv[0] = (char *)"thisprog";
-               argv[1] = (char *)"-a";
-               argv[2] = NULL;
+               set_args(&argc, &argv, "thisprog", "-a", NULL);
 
                exitval = setjmp(exited);
                if (exitval == 0) {
@@ -1150,11 +1154,7 @@ int main(int argc, char *argv[])
                opt_register_noarg("-a",
                                   opt_usage_and_exit, "[args]", "");
 
-               argc = 2;
-               argv = malloc(sizeof(argv[0]) * 3);
-               argv[0] = (char *)"thisprog";
-               argv[1] = (char *)"--garbage";
-               argv[2] = NULL;
+               set_args(&argc, &argv, "thisprog", "--garbage", NULL);
                ok1(!opt_parse(&argc, argv, opt_log_stderr));
                ok1(!strcmp(output,
                            "thisprog: --garbage: unrecognized option\n"));
@@ -1169,11 +1169,7 @@ int main(int argc, char *argv[])
                reset_options();
                opt_register_noarg("-a",
                                   opt_usage_and_exit, "[args]", "");
-               argc = 2;
-               argv = malloc(sizeof(argv[0]) * 3);
-               argv[0] = (char *)"thisprog";
-               argv[1] = (char *)"--garbage";
-               argv[2] = NULL;
+               set_args(&argc, &argv, "thisprog", "--garbage", NULL);
                exitval = setjmp(exited);
                if (exitval == 0) {
                        opt_parse(&argc, argv, opt_log_stderr_exit);