[gameprogrammer] Re: How to assign a numeric variable to an std::string?

[Josh Stewart <aek@wn.com.au>]

Does this work when running in locales that use a comma as the decimal 
separator instead of a period?

-Josh

Kevin Jenkins wrote:
> I ended up doing this, which is more flexible:
>
> std::string query;
> query+=FormatString("%i", 5);
>
> // FormatString.cpp
>
> #include "FormatString.h"
> #include <stdio.h>
> #include <string.h>
> #include <stdarg.h>
>
> #if defined(__GNUC__)
> #define _vsnprintf vsnprintf
> #endif
>
> char * FormatString(const char *format, ...)
> {
>     static int textIndex=0;
>     static char text[4][8096];
>     va_list ap;
>     va_start(ap, format);
>     if (++textIndex==4)
>         textIndex=0;
>     _vsnprintf(text[textIndex], 8096, format, ap);
>     va_end(ap);
>     text[textIndex][8096-1]=0;
>
>     return text[textIndex];
> }

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