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60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
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* QAPI util functions
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*
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* Copyright Fujitsu, Inc. 2014
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*
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*/
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#ifndef QAPI_UTIL_H
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#define QAPI_UTIL_H
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typedef enum {
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QAPI_DEPRECATED,
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QAPI_UNSTABLE,
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} QapiSpecialFeature;
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typedef struct QEnumLookup {
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const char *const *array;
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const unsigned char *const special_features;
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const int size;
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} QEnumLookup;
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const char *qapi_enum_lookup(const QEnumLookup *lookup, int val);
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int qapi_enum_parse(const QEnumLookup *lookup, const char *buf,
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int def, Error **errp);
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bool qapi_bool_parse(const char *name, const char *value, bool *obj,
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Error **errp);
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int parse_qapi_name(const char *name, bool complete);
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/*
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* For any GenericList @list, insert @element at the front.
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*
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* Note that this macro evaluates @element exactly once, so it is safe
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* to have side-effects with that argument.
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*/
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#define QAPI_LIST_PREPEND(list, element) do { \
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typeof(list) _tmp = g_malloc(sizeof(*(list))); \
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_tmp->value = (element); \
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_tmp->next = (list); \
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(list) = _tmp; \
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} while (0)
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/*
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* For any pointer to a GenericList @tail (usually the 'next' member of a
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* list element), insert @element at the back and update the tail.
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*
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* Note that this macro evaluates @element exactly once, so it is safe
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* to have side-effects with that argument.
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*/
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#define QAPI_LIST_APPEND(tail, element) do { \
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*(tail) = g_malloc0(sizeof(**(tail))); \
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(*(tail))->value = (element); \
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(tail) = &(*(tail))->next; \
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} while (0)
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#endif
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