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libwmc: add more test code and start of com tests

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This commit is contained in:
Dan Williams
2011-09-27 13:13:40 -05:00
parent 8250dee131
commit 18fc92ef73
10 changed files with 591 additions and 22 deletions
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libwmc/src/utils.c
+9 -5
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@@ -274,9 +274,11 @@ uml290_wmc_encapsulate (char *inbuf,
* hdlc_decapsulate_buffer:
* @inbuf: buffer in which to look for an HDLC frame
* @inbuf_len: length of valid data in @inbuf
* @check_known_crc: if %TRUE, validate the CRC using @known_crc
* @check_known_crc: if %TRUE, validate the CRC using @known_crc if the normal
* CRC check fails
* @known_crc: if @check_known_crc is %TRUE, compare the frame's CRC against
* @known_crc. @known_crc must be in Little Endian (LE) byte order.
* @known_crc if the normal CRC check fails. @known_crc must be in Little
* Endian (LE) byte order.
* @outbuf: buffer in which to put decapsulated data from the HDLC frame
* @outbuf_len: max size of @outbuf
* @out_decap_len: on success, size of the decapsulated data
@@ -365,12 +367,14 @@ hdlc_decapsulate_buffer (const char *inbuf,
}
/* Check the CRC of the packet's data */
crc = check_known_crc ? known_crc : crc16 (outbuf, unesc_len - 2, 0);
crc = crc16 (outbuf, unesc_len - 2, 0);
pkt_crc = outbuf[unesc_len - 2] & 0xFF;
pkt_crc |= (outbuf[unesc_len - 1] & 0xFF) << 8;
if (crc != pkt_crc) {
*out_used = pkt_len + 1; /* packet + CRC + 0x7E */
return FALSE;
if (!check_known_crc || (pkt_crc != known_crc)) {
*out_used = pkt_len + 1; /* packet + CRC + 0x7E */
return FALSE;
}
}
*out_used = pkt_len + 1; /* packet + CRC + 0x7E */