Or more appropriate, use “%lld” and use long long instead of int64_t > On 16 May 2025, at 13:15, Sun via Tinycc-devel <[email protected]> > wrote: > > The problem is solved. > > int64_t a=123,b=234; > printf("%llu %llu\n",a,b); > > Just use %llu . > > Thanks! > > ------------------ 原始邮件 ------------------ > 发件人: "avih" <[email protected]>; > 发送时间: 2025年5月16日(星期五) 晚上7:05 > 收件人: "tinycc-devel"<[email protected]>;"Sun"<[email protected]>; > 主题: Re: 回复： [Tinycc-devel] find a bug > > No. long is also 32 bit on Windows. > > > On Friday, May 16, 2025 at 02:00:54 PM GMT+3, Sun <[email protected]> wrote: > > Can I use %lu? My os is windows. > > #include <stdio.h> > #include <inttypes.h> > > int main(int argc, char **argv) > { > > int64_t a=123,b=234; > printf("%lu %lu\n",a,b); > > return 0; > } > output: > 123 0 > > > > ------------------ 原始邮件 ------------------ > 发件人: "avih" <[email protected]>; > 发送时间: 2025年5月16日(星期五) 下午5:38 > 收件人: "tinycc-devel"<[email protected]>; > 抄送: "Sun"<[email protected]>; > 主题: Re: [Tinycc-devel] find a bug > > I can confirm this output on Windows with mob f10ab130 > (2025-03-28), but only with tcc 32 bit build. > > And, at least on Windows, it also needs #include <inttypes.h> > > However, this program is buggy, because the format %d is for > int (32 bit on Windows), while the values are 64 bit, so > a mismatch and undefined behavior is expected. > > The correct C99/POSIX format for 64 bit signed int is PRId64, > like so: printf("%" PRId64 " %" PRId64 "\n", a, b); > > And using that, the output is correct - 111 and 222. > > Bottom line, the program is buggy, and IMO it's not a bug. > > - avih > > > On Friday, May 16, 2025 at 12:20:04 PM GMT+3, Sun via Tinycc-devel > <[email protected]> wrote: > > > > > > #include <stdio.h> > > int main(int argc, char **argv) > { > int64_t a=111,b=222; > printf("%d %d\n",a,b); > > return 0; > } > output: > 111 0 > > _______________________________________________ > Tinycc-devel mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/tinycc-devel > _______________________________________________ > Tinycc-devel mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/tinycc-devel
_______________________________________________ Tinycc-devel mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/tinycc-devel
