chksum inet_chksum inet_chksum_pbuf inet_chksum_pseudo

static u32_t chksum ( void *  dataptr, u16_t  len  ) [static] Definition at line 55 of file inet6.c. Referenced by GetPrivateProfileStructW(), inet_chksum(), inet_chksum_pbuf(), and inet_chksum_pseudo(). { u16_t *sdataptr = dataptr; u32_t acc; for(acc = 0; len > 1; len -= 2) { acc += *sdataptr++; } /* add up any odd byte */ if (len == 1) { acc += htons((u16_t)(*(u8_t *)dataptr) << 8); } return acc; }