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| author | Denys Vlasenko | 2011-09-08 10:59:26 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2011-09-08 10:59:26 +0200 |
| commit | 0d0260fd1e55c39525660370094d090bc5412fe5 (patch) | |
| tree | b9a29da16629928f441f9d7285f48e2fae609c6f | |
| parent | 9289935cfd44992be6e403efcccf2edf074d8cc9 (diff) | |
| download | busybox-0d0260fd1e55c39525660370094d090bc5412fe5.zip busybox-0d0260fd1e55c39525660370094d090bc5412fe5.tar.gz | |
inet_cksum: big-endian fix
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | libbb/inet_cksum.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libbb/inet_cksum.c b/libbb/inet_cksum.c index 31bf8c4..3d5dc3a 100644 --- a/libbb/inet_cksum.c +++ b/libbb/inet_cksum.c @@ -21,8 +21,12 @@ uint16_t FAST_FUNC inet_cksum(uint16_t *addr, int nleft) } /* Mop up an odd byte, if necessary */ - if (nleft) - sum += *(uint8_t*)addr; + if (nleft == 1) { + if (BB_LITTLE_ENDIAN) + sum += *(uint8_t*)addr; + else + sum += *(uint8_t*)addr << 8; + } /* Add back carry outs from top 16 bits to low 16 bits */ sum = (sum >> 16) + (sum & 0xffff); /* add hi 16 to low 16 */ |