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internal: Introduce macro for stealing pointers
VIR_STEAL_PTR copies the pointer from the second argument into the first argument and then sets the second to NULL.
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@ -306,6 +306,18 @@
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(a) = (a) ^ (b); \
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} while (0)
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/**
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* VIR_STEAL_PTR:
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*
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* Steals pointer passed as second argument into the first argument. Second
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* argument must not have side effects.
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*/
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# define VIR_STEAL_PTR(a, b) \
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do { \
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(a) = (b); \
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(b) = NULL; \
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} while (0)
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/**
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* virCheckFlags:
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* @supported: an OR'ed set of supported flags
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