static const char *getF (lua_State *L, void *ud, size_t *size) {
LoadF *lf = (LoadF *)ud;
(void)L;
if (lf->extraline) {
lf->extraline = 0;
*size = 1;
return "\n";
}
if (c_feof(lf->f)) return NULL;
*size = c_fread(lf->buff, 1, sizeof(lf->buff), lf->f);
return (*size > 0) ? lf->buff : NULL;
}
int xfeof(XFILE *fp)
{ int ret;
switch (fp->type)
{ case FH_FILE:
ret = c_feof(fp->fh);
break;
case FH_ZLIB:
ret = z_feof(fp->fh);
break;
default:
xassert(fp != fp);
}
return ret;
}
