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subsysmgr: use IDX_NONE is an exception value, not -1.

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This commit is contained in:
Nick Mathewson 2019-11-05 10:24:34 -05:00
parent 0f0a9bdf33
commit 3afbb29bee
1 changed files with 8 additions and 4 deletions
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12
src/app/main/subsysmgr.c
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@ -33,15 +33,19 @@
**/
static bool subsystem_array_validated = false;
/** Index value indicating that a subsystem has no options/state object, and
* so that object does not have an index. */
#define IDX_NONE (-1)
/**
* Runtime status of a single subsystem.
**/
typedef struct subsys_status_t {
/** True if the given subsystem is initialized. */
bool initialized;
/** Index for this subsystem's options object, or -1 for none. */
/** Index for this subsystem's options object, or IDX_NONE for none. */
int options_idx;
/** Index for this subsystem's state object, or -1 for none. */
/** Index for this subsystem's state object, or IDX_NONE for none. */
int state_idx;
} subsys_status_t;
@ -62,8 +66,8 @@ subsys_status_clear(subsys_status_t *status)
return;
memset(status, 0, sizeof(*status));
status->initialized = false;
status->state_idx = -1;
status->options_idx = -1;
status->state_idx = IDX_NONE;
status->options_idx = IDX_NONE;
}
/**