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Added warning message if user IO read callback returns negative that is not supported.

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This commit is contained in:
David Garske
2019-06-28 10:40:44 -07:00
parent b2f919ec13
commit fd71618f10
1 changed files with 3 additions and 1 deletions
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4
src/internal.c
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@ -6871,7 +6871,7 @@ static int wolfSSLReceive(WOLFSSL* ssl, byte* buf, word32 sz)
retry:
recvd = ssl->CBIORecv(ssl, (char *)buf, (int)sz, ssl->IOCB_ReadCtx);
if (recvd < 0)
if (recvd < 0) {
switch (recvd) {
case WOLFSSL_CBIO_ERR_GENERAL: /* general/unknown error */
return -1;
@ -6926,8 +6926,10 @@ retry:
return -1;
default:
WOLFSSL_MSG("Unexpected recv return code");
return recvd;
}
}
return recvd;
}