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Update Messenger.c

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Offer more meaningful returns so appropriate actions can be taken by the GUI.
This commit is contained in:
Astonex 2013-07-31 00:13:31 +01:00
parent d97db7fcb8
commit cd0518a45c
1 changed files with 7 additions and 4 deletions
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11
core/Messenger.c
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@ -99,16 +99,19 @@ int getclient_id(int friend_id, uint8_t *client_id)
client_id is the client id of the friend
data is the data and length is the length
returns the friend number if success
return -1 if failure. */
return -1 if key length is wrong.
return -2 if user's own key
return -3 if already a friend
return -4 for other*/
int m_addfriend(uint8_t *client_id, uint8_t *data, uint16_t length)
{
if (length == 0 || length >=
(MAX_DATA_SIZE - crypto_box_PUBLICKEYBYTES - crypto_box_NONCEBYTES - crypto_box_BOXZEROBYTES + crypto_box_ZEROBYTES))
return -1;
if (memcmp(client_id, self_public_key, crypto_box_PUBLICKEYBYTES) == 0)
return -1;
return -2;
if (getfriend_id(client_id) != -1)
return -1;
return -3;
uint32_t i;
for (i = 0; i <= numfriends; ++i) {
if(friendlist[i].status == 0) {
@ -126,7 +129,7 @@ int m_addfriend(uint8_t *client_id, uint8_t *data, uint16_t length)
return i;
}
}
return -1;
return -4;
}
int m_addfriend_norequest(uint8_t * client_id)