ret->p_len = 0;
#ifdef HAVE_MMAP
- if (len < MAX_MAP_SIZE)
- ret->map = (char *)mmap(NULL,len,PROT_READ,MAP_SHARED,fd,0);
+ if (len < MAX_MAP_SIZE) {
+ ret->map = (char *)mmap(NULL,len,PROT_READ,MAP_SHARED,fd,0);
+ if (ret->map == (char *)-1) {
+ ret->map = NULL;
+ }
+ }
#endif
return ret;
}