mfile mill_mferr(void) {
static struct mill_file f = {-1, 0, 0, 0};
if(mill_slow(f.fd < 0)) {
mill_filetune(STDERR_FILENO);
f.fd = STDERR_FILENO;
}
return &f;
}
mfile fileattach(int fd) {
struct mill_file *f = malloc(sizeof(struct mill_file));
if(!f) {
errno = ENOMEM;
return NULL;
}
mill_filetune(fd);
f->fd = fd;
f->ifirst = 0;
f->ilen = 0;
f->olen = 0;
errno = 0;
return f;
}
mfile mfopen(const char *pathname, int flags, mode_t mode) {
/* Open the file. */
int fd = open(pathname, flags, mode);
if (fd == -1)
return NULL;
mill_filetune(fd);
/* Create the object. */
struct mill_file *f = malloc(sizeof(struct mill_file));
if(!f) {
fdclean(fd);
close(fd);
errno = ENOMEM;
return NULL;
}
f->fd = fd;
f->ifirst = 0;
f->ilen = 0;
f->olen = 0;
errno = 0;
return f;
}