On 06/13/12 12:50, Paolo Bonzini wrote: > Il 13/06/2012 10:22, Laszlo Ersek ha scritto: >> +static void >> +opts_type_uint64(Visitor *v, uint64_t *obj, const char *name, Error **errp) >> +{ >> + OptsVisitor *ov = DO_UPCAST(OptsVisitor, visitor, v); >> + const QemuOpt *opt; >> + const char *str; >> + >> + opt = lookup_scalar(ov, name, errp); >> + if (!opt) { >> + return; >> + } >> + >> + str = opt->str; >> + if (str != NULL) { >> + while (isspace((unsigned char)*str)) { >> + ++str; >> + } >> + >> + if (*str != '-' && *str != '\0') { >> + unsigned long long val; >> + char *endptr; >> + >> + /* non-empty, non-negative subject sequence */ >> + errno = 0; >> + val = strtoull(str, &endptr, 0); >> + if (*endptr == '\0' && errno == 0 && val <= UINT64_MAX) { > > I would have expected a warning from GCC here, but obviously that's not > the case?
Right, same surprise here. Maybe gcc has seen the light and it realizes now "long long" can be wider than 64 bits, theoretically. Thanks for the review! Laszlo