Re: [sqlite] v3.0.1 sqlite3_mprintf

[Julian Brierley]

Hans-Juergen Taenzer wrote:
hello,
doing some tests with the new version, I have encountered a problem:
void testva(void)
{
   char *s;
   unsigned long ul1 = 0x7FFFFFFF;
   unsigned long ul2 = 0xFFFFFFFF;
   s = sqlite3_mprintf("%lu", ul1);
   printf("ul1: %lx, %s\n", ul1, s);
   s = sqlite3_mprintf("%lu", ul2);
   printf("ul2: %lx, %s\n", ul2, s);
   printf("sizeof(unsigned long): %u\n", sizeof(unsigned long));
}
Output is:
ul1: 7fffffff, 2147483647
ul2: ffffffff, 18446744073709551615
sizeof(unsigned long): 4
Is this the expected behavior? Compiler is MSVC 6.
Hans-Jürgen
 

Perhaps if the two lines of code starting at 349 in printf.c were 
changed from:
   else if( flag_long )    longvalue = va_arg(ap,long int);
   else             longvalue = va_arg(ap,int);
to somthing like:
       else if( flag_long )
       {
           if (infop->flags & FLAG_SIGNED)
               longvalue = va_arg(ap,long int);
           else
               longvalue = va_arg(ap,unsigned long int);
       }
       else
       {
         if (infop->flags & FLAG_SIGNED)
           longvalue = va_arg(ap,int);
         else
           longvalue = va_arg(ap,unsigned int);
       }

You would get what you expect for %lu and %u?
ul1: 7fffffff, 2147483647
ul2: ffffffff, 4294967295
Regards,
Julian.
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