util: Mark port identity comparisons as const.
The utility function to compare port IDs takes pointers, but it only needs to read the referenced data. This patch marks the parameters as const, allowing passing constants in the future. Signed-off-by: Richard Cochran <richardcochran@gmail.com>master
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util.h
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util.h
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@ -131,7 +131,8 @@ clockid_t posix_clock_open(const char *device, int *phc_index);
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* @param b Second port identity.
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* @param b Second port identity.
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* @return 1 if identities are equal, 0 otherwise.
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* @return 1 if identities are equal, 0 otherwise.
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*/
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*/
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static inline int pid_eq(struct PortIdentity *a, struct PortIdentity *b)
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static inline int pid_eq(const struct PortIdentity *a,
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const struct PortIdentity *b)
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{
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{
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return memcmp(a, b, sizeof(*a)) == 0;
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return memcmp(a, b, sizeof(*a)) == 0;
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}
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}
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