static int specifier_name(char specifier, void *data, void *userdata, char **ret) { const UnitFileInstallInfo *i = userdata; char *ans; assert(i); if (unit_name_is_valid(i->name, UNIT_NAME_TEMPLATE) && i->default_instance) return unit_name_replace_instance(i->name, i->default_instance, ret); ans = strdup(i->name); if (!ans) return -ENOMEM; *ret = ans; return 0; }
static int add_serial_getty(const char *tty) { char *n; int r; assert(tty); log_debug("Automatically adding serial getty for /dev/%s.", tty); n = unit_name_replace_instance("[email protected]", tty); if (!n) return log_oom(); r = add_symlink("[email protected]", n); free(n); return r; }
static int prepare_filename(const char *filename, char **ret) { int r; const char *name; _cleanup_free_ char *abspath = NULL; _cleanup_free_ char *dir = NULL; _cleanup_free_ char *with_instance = NULL; char *c; assert(filename); assert(ret); r = path_make_absolute_cwd(filename, &abspath); if (r < 0) return r; name = basename(abspath); if (!unit_name_is_valid(name, UNIT_NAME_ANY)) return -EINVAL; if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) { r = unit_name_replace_instance(name, "i", &with_instance); if (r < 0) return r; } dir = dirname_malloc(abspath); if (!dir) return -ENOMEM; if (with_instance) c = path_join(NULL, dir, with_instance); else c = path_join(NULL, dir, name); if (!c) return -ENOMEM; *ret = c; return 0; }
static void test_u_n_r_i_one(const char *pattern, const char *repl, const char *expected, int ret) { _cleanup_free_ char *t = NULL; assert_se(unit_name_replace_instance(pattern, repl, &t) == ret); puts(strna(t)); assert_se(streq_ptr(t, expected)); }