Re: snprintf causes regression tests to fail

I have some new information.  If I add the attached patch to snprintf.c,
I should see see snprintf() being called printing "0", vsnprintf()
printing "1" and dopr(), "2".  However, I only see "0" printing in the
server logs.

I think this means it is finding our /port/snprintf(), but when it calls
vsnprintf, it must be using some other version, probably the operating
system version that doesn't support %lld.

I am also attaching the 'nm' output from libpgport_srv.a which does show
vsnprintf as being defined.

Win32 doesn't like multiply defined symbols so we use
-Wl,--allow-multiple-definition to allow multiple symbols.

I bet if I define LONG_LONG_INT_FORMAT as '%I64d' it would pass the
regression tests.  (I will test now.)  Our config/c-library.m4 file
confirms that format for MinGW:

    # MinGW uses '%I64d', though gcc throws an warning with -Wall,

The big question is why our own vsnprintf() is not being called from
snprintf() in our port file.

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073
*** snprintf.c    Tue Mar  1 19:02:13 2005
--- /laptop/tmp/snprintf.c    Tue Mar  1 20:27:21 2005
***************
*** 96,101 ****
--- 96,102 ----
      int            len;
      va_list        args;

+ puts("0");
      va_start(args, fmt);
      len = vsnprintf(str, count, fmt, args);
      va_end(args);
***************
*** 109,114 ****
--- 110,116 ----
      char *end;
      str[0] = '\0';
      end = str + count - 1;
+ puts("1");
      dopr(str, fmt, args, end);
      if (count > 0)
          end[0] = '\0';
***************
*** 178,183 ****
--- 180,186 ----
          int    realpos;
      } fmtpar[NL_ARGMAX+1], *fmtparptr[NL_ARGMAX+1];

+ puts("2");

      format_save = format;
      output = buffer;

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