workbench/network/stacks/AROSTCP/libkvm/kvm_read.c

   1 #include <exec/types.h>
   2 #include <fcntl.h>
   3 #include <kvm.h>
   4 #include <string.h>
   5 #include "kvm_errors.h"
   6
   7 ssize_t kvm_read(kvm_t *kd, unsigned long addr, void *buf, size_t nbytes)
   8 {
   9     if (kd == (kvm_t *)(O_WRONLY|0xdead0000)) {
  10         __kvm_errno = KVMERR_NOACCESS;
  11         return -1;
  12     }
  13     if (addr) {
  14         memcpy (buf, (void *)addr, nbytes);
  15         return nbytes;
  16     } else {
  17         __kvm_errno = KVMERR_BADADDRESS;
  18         return -1;
  19     }
  20 }