snprintf warning about long long

[Kai Tietz]

Hi,

the width specifier "ll" isn't supported by all msvcrt runtime DLLs.
As gcc needs to be compatible to older versions here, we are warning
about this.  I would recomment that you are using instead of "ll" then
constants defined from header <inttypes.h>.  In your case PRIi64 would
be the correct define.

Regards,
Kai

2011/9/7 Michael Cronenworth <mike at cchtml.com>:
> Hi all,
>
> I am getting a warning out of gcc that it doesn't know about %lli in
> snprintf(). If I use sprintf() I don't see a warning. If I use
> snprintf() and ignore the warning the resulting binary seems to work
> just fine.
>
> Known bug or am I doing something wrong?
>
> Example code:
> snprintf( sixtyFourByteStr, 63, "%lli", sixtyFourBitInt );
>
> Gcc output:
> CFLAGS = -mms-bitfields -g -Wall -pedantic -std=c99 -D _WIN32_WINNT=0x0501
> foo.c:1:35: warning: unknown conversion type character 'l' in format
> foo.c:1:35: warning: too many arguments for format
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>



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