xref: /openbmc/qemu/include/qapi/util.h (revision 74b97760)
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 typedef struct QEnumLookup {
15     const char *const *array;
16     int size;
17 } QEnumLookup;
18 
19 const char *qapi_enum_lookup(const QEnumLookup *lookup, int val);
20 int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
21                     int def, Error **errp);
22 bool qapi_bool_parse(const char *name, const char *value, bool *obj,
23                      Error **errp);
24 
25 int parse_qapi_name(const char *name, bool complete);
26 
27 /*
28  * For any GenericList @list, insert @element at the front.
29  *
30  * Note that this macro evaluates @element exactly once, so it is safe
31  * to have side-effects with that argument.
32  */
33 #define QAPI_LIST_PREPEND(list, element) do { \
34     typeof(list) _tmp = g_malloc(sizeof(*(list))); \
35     _tmp->value = (element); \
36     _tmp->next = (list); \
37     (list) = _tmp; \
38 } while (0)
39 
40 #endif
41