return strv_env_replace_consume(l, p);
}
+int strv_env_replace_strdup_passthrough(char ***l, const char *assignment) {
+ /* Like strv_env_replace_strdup(), but pulls the variable from the environment of
+ * the calling program, if a variable name without value is specified.
+ */
+ char *p;
+
+ if (strchr(assignment, '=')) {
+ if (!env_assignment_is_valid(assignment))
+ return -EINVAL;
+
+ p = strdup(assignment);
+ } else {
+ if (!env_name_is_valid(assignment))
+ return -EINVAL;
+
+ /* If we can't find the variable in our environment, we will use
+ * the empty string. This way "passthrough" is equivalent to passing
+ * --setenv=FOO=$FOO in the shell. */
+ p = strjoin(assignment, "=", secure_getenv(assignment));
+ }
+ if (!p)
+ return -ENOMEM;
+
+ return strv_env_replace_consume(l, p);
+}
+
int strv_env_assign(char ***l, const char *key, const char *value) {
if (!env_name_is_valid(key))
return -EINVAL;
char **strv_env_unset_many(char **l, ...) _sentinel_;
int strv_env_replace_consume(char ***l, char *p); /* In place ... */
int strv_env_replace_strdup(char ***l, const char *assignment);
+int strv_env_replace_strdup_passthrough(char ***l, const char *assignment);
int strv_env_assign(char ***l, const char *key, const char *value);
char *strv_env_get_n(char **l, const char *name, size_t k, unsigned flags) _pure_;
assert_se(strv_env_replace_strdup(&a, "a=a") == 1);
assert_se(strv_env_replace_strdup(&a, "b=b") == 1);
assert_se(strv_env_replace_strdup(&a, "a=A") == 0);
+ assert_se(strv_env_replace_strdup(&a, "c") == -EINVAL);
assert_se(strv_length(a) == 2);
strv_sort(a);
assert_se(streq(a[1], "b=b"));
}
+static void test_strv_env_replace_strdup_passthrough(void) {
+ log_info("/* %s */", __func__);
+
+ _cleanup_strv_free_ char **a = NULL;
+
+ assert_se(putenv((char*) "a=a") == 0);
+ assert_se(putenv((char*) "b=") == 0);
+ assert_se(unsetenv("c") == 0);
+
+ assert_se(strv_env_replace_strdup_passthrough(&a, "a") == 1);
+ assert_se(strv_env_replace_strdup_passthrough(&a, "b") == 1);
+ assert_se(strv_env_replace_strdup_passthrough(&a, "c") == 1);
+ assert_se(strv_env_replace_strdup_passthrough(&a, "a") == 0);
+ assert_se(strv_env_replace_strdup_passthrough(&a, "$a") == -EINVAL);
+
+ assert_se(strv_length(a) == 3);
+ assert_se(streq(a[0], "a=a"));
+ assert_se(streq(a[1], "b="));
+ assert_se(streq(a[2], "c="));
+}
+
static void test_strv_env_assign(void) {
log_info("/* %s */", __func__);
test_strv_env_unset();
test_strv_env_merge();
test_strv_env_replace_strdup();
+ test_strv_env_replace_strdup_passthrough();
test_strv_env_assign();
test_env_strv_get_n();
test_replace_env(false);