+/* For string conversions where numbers are also acceptable */
+#define DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(name,type,max) \
+ int name##_to_string_alloc(type i, char **str) { \
+ char *s; \
+ int r; \
+ if (i < 0 || i > max) \
+ return -ERANGE; \
+ if (i < (type) ELEMENTSOF(name##_table)) { \
+ s = strdup(name##_table[i]); \
+ if (!s) \
+ return log_oom(); \
+ } else { \
+ r = asprintf(&s, "%u", i); \
+ if (r < 0) \
+ return log_oom(); \
+ } \
+ *str = s; \
+ return 0; \
+ } \
+ type name##_from_string(const char *s) { \
+ type i; \
+ unsigned u = 0; \
+ assert(s); \
+ for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \
+ if (name##_table[i] && \
+ streq(name##_table[i], s)) \
+ return i; \
+ if (safe_atou(s, &u) >= 0 && u <= max) \
+ return (type) u; \
+ return (type) -1; \
+ } \
+ struct __useless_struct_to_allow_trailing_semicolon__
+