I discovered the problem, it is the fact that the macros are not defined if
C++ is being used. this locks out C++.
#if !defined(__cplusplus) || defined(__STDC_FORMAT_MACROS)
i think it has to do with the C99 standard.
>________________________________
> From: Óscar Fuentes <[email protected]>
>To: [email protected]
>Sent: Saturday, June 21, 2014 5:35 PM
>Subject: Re: [Mingw-w64-public] problem with compiler not concatenating
>strings
>
>
>Jim Michaels <[email protected]> writes:
>
>> printf("abc%" "I64u" "def", 12);
>> ^
>> inttypes-strings.cpp:5:19: error: expected ')' before 'PRSIu64'
>> printf("abc%" PRSIu64 "def", 12);
>> ^
>> inttypes-strings.cpp:5:36: warning: spurious trailing '%' in format
>> [-Wformat=]
>> printf("abc%" PRSIu64 "def", 12);
>>
>>
>> #include <inttypes.h>
>> #include <stdio.h>
>> int main(void) {
>> printf("abc%" "I64u" "def", 12);
>> printf("abc%" PRSIu64 "def", 12);
>> return 0;
>> }
>>
>> has the c++ standard been changed? it used to be that C/C++ would
>> join separate strings that are separated by whitespace. this was a
>> very useful feature and I need it.
>> thanks.
>
>PRSIu64 is not a string. It is not surrounded by quotation marks. The
>fact that the compiler accepts the first printf but rejects the second
>makes obvious that there is no problem with string concatenation.
>
>Apart from that, is %P a valid conversion format? I suspect that it is
>another typo on your test case.
>
>
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