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| author | Ian Moffett <ian@osmora.org> | 2025-09-25 14:57:59 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-09-25 14:59:19 -0400 |
| commit | c9dc332811b0f98799411de6cbed66957c184188 (patch) | |
| tree | 63438a387b5d80299cf2347ed4ba49c2e75402c4 /src/dgram | |
| parent | afcdcf6ae6d95eb828733994c7de30f8ab095dcc (diff) | |
dgram: Put CRC32 at the end of the datagram hdr
This makes it easier to compute the checksum as we can simply subtract
from the length of the header
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'src/dgram')
| -rw-r--r-- | src/dgram/dgram_subr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/dgram/dgram_subr.c b/src/dgram/dgram_subr.c index d79386f..fda8178 100644 --- a/src/dgram/dgram_subr.c +++ b/src/dgram/dgram_subr.c @@ -44,6 +44,6 @@ dgram_load(uint16_t length, uint8_t port, struct onet_dgram *res) res->length = (length >> 8) & 0xFF; res->length |= (length & 0xFF) << 8; res->port = port; - res->crc32 = crc32(res, sizeof(*res)); + res->crc32 = crc32(res, sizeof(*res) - sizeof(res->crc32)); return 0; } |