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TSCH: change the return type of the APIs (tsch-security.h)

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The return type is changed to "int" to "unsigned int" because APIs
provided by tsch-security are supposed to return an integer larger than
or equal to zero. This change clarifies that.
This commit is contained in:
Yasuyuki Tanaka 2016-12-15 17:07:58 +01:00
parent da853386a6
commit 4faf139523
2 changed files with 11 additions and 9 deletions
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6
core/net/mac/tsch/tsch-security.c
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@ -125,7 +125,7 @@ tsch_security_check_level(const frame802154_t *frame)
frame->aux_hdr.key_index == required_key_index);
}
/*---------------------------------------------------------------------------*/
int
unsigned int
tsch_security_mic_len(const frame802154_t *frame)
{
if(frame != NULL && frame->fcf.security_enabled) {
@ -135,7 +135,7 @@ tsch_security_mic_len(const frame802154_t *frame)
}
}
/*---------------------------------------------------------------------------*/
int
unsigned int
tsch_security_secure_frame(uint8_t *hdr, uint8_t *outbuf,
int hdrlen, int datalen, struct asn_t *asn)
{
@ -198,7 +198,7 @@ tsch_security_secure_frame(uint8_t *hdr, uint8_t *outbuf,
return mic_len;
}
/*---------------------------------------------------------------------------*/
int
unsigned int
tsch_security_parse_frame(const uint8_t *hdr, int hdrlen, int datalen,
const frame802154_t *frame, const linkaddr_t *sender, struct asn_t *asn)
{