X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=lib%2Fchecksum.c;h=097508732f34fdbb9de955509685f43df2feba32;hb=90b9a32d8f441369b2f97a765d2d957b531eb653;hp=b2e2fd4684618341adaff20dea8d04edfd99ec90;hpb=32a9ff9cc55b42543a84bca90b070df92af72671;p=safe%2Fjmp%2Flinux-2.6 diff --git a/lib/checksum.c b/lib/checksum.c index b2e2fd4..0975087 100644 --- a/lib/checksum.c +++ b/lib/checksum.c @@ -37,7 +37,8 @@ #include -static inline unsigned short from32to16(unsigned long x) +#ifndef do_csum +static inline unsigned short from32to16(unsigned int x) { /* add up 16-bit and 16-bit for 16+c bit */ x = (x & 0xffff) + (x >> 16); @@ -49,16 +50,16 @@ static inline unsigned short from32to16(unsigned long x) static unsigned int do_csum(const unsigned char *buff, int len) { int odd, count; - unsigned long result = 0; + unsigned int result = 0; if (len <= 0) goto out; odd = 1 & (unsigned long) buff; if (odd) { #ifdef __LITTLE_ENDIAN - result = *buff; -#else result += (*buff << 8); +#else + result = *buff; #endif len--; buff++; @@ -73,9 +74,9 @@ static unsigned int do_csum(const unsigned char *buff, int len) } count >>= 1; /* nr of 32-bit words.. */ if (count) { - unsigned long carry = 0; + unsigned int carry = 0; do { - unsigned long w = *(unsigned int *) buff; + unsigned int w = *(unsigned int *) buff; count--; buff += 4; result += carry; @@ -102,6 +103,7 @@ static unsigned int do_csum(const unsigned char *buff, int len) out: return result; } +#endif /* * This is a version of ip_compute_csum() optimized for IP headers,