1 /* 2 * QAPI util functions 3 * 4 * Copyright Fujitsu, Inc. 2014 5 * 6 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. 7 * See the COPYING.LIB file in the top-level directory. 8 * 9 */ 10 11 #ifndef QAPI_UTIL_H 12 #define QAPI_UTIL_H 13 14 /* QEnumLookup flags */ 15 #define QAPI_ENUM_DEPRECATED 1 16 17 typedef struct QEnumLookup { 18 const char *const *array; 19 const unsigned char *const flags; 20 const int size; 21 } QEnumLookup; 22 23 const char *qapi_enum_lookup(const QEnumLookup *lookup, int val); 24 int qapi_enum_parse(const QEnumLookup *lookup, const char *buf, 25 int def, Error **errp); 26 bool qapi_bool_parse(const char *name, const char *value, bool *obj, 27 Error **errp); 28 29 int parse_qapi_name(const char *name, bool complete); 30 31 /* 32 * For any GenericList @list, insert @element at the front. 33 * 34 * Note that this macro evaluates @element exactly once, so it is safe 35 * to have side-effects with that argument. 36 */ 37 #define QAPI_LIST_PREPEND(list, element) do { \ 38 typeof(list) _tmp = g_malloc(sizeof(*(list))); \ 39 _tmp->value = (element); \ 40 _tmp->next = (list); \ 41 (list) = _tmp; \ 42 } while (0) 43 44 /* 45 * For any pointer to a GenericList @tail (usually the 'next' member of a 46 * list element), insert @element at the back and update the tail. 47 * 48 * Note that this macro evaluates @element exactly once, so it is safe 49 * to have side-effects with that argument. 50 */ 51 #define QAPI_LIST_APPEND(tail, element) do { \ 52 *(tail) = g_malloc0(sizeof(**(tail))); \ 53 (*(tail))->value = (element); \ 54 (tail) = &(*(tail))->next; \ 55 } while (0) 56 57 #endif 58