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util: TristateBool and TristateSwitch are interchangeable

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It may be useful in some cases to call TristateSwitch helper with TristateBool.
Document that enum values equivalency in the code.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau 2016-02-19 15:30:14 +01:00 committed by Michal Privoznik
parent 85a687c6b2
commit ef766337ff
1 changed files with 6 additions and 1 deletions
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7
src/util/virutil.h
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@ -236,10 +236,15 @@ typedef enum {
VIR_TRISTATE_SWITCH_LAST
} virTristateSwitch;
VIR_ENUM_DECL(virTristateBool)
VIR_ENUM_DECL(virTristateSwitch)
/* the two enums must be in sync to be able to use helpers interchangeably in
* some special cases */
verify((int)VIR_TRISTATE_BOOL_YES == (int)VIR_TRISTATE_SWITCH_ON);
verify((int)VIR_TRISTATE_BOOL_NO == (int)VIR_TRISTATE_SWITCH_OFF);
verify((int)VIR_TRISTATE_BOOL_ABSENT == (int)VIR_TRISTATE_SWITCH_ABSENT);
unsigned int virGetListenFDs(void);
long virGetSystemPageSize(void);