Commit 28d799f1 authored by unknown's avatar unknown
Browse files

An update to as-yet unused new feature of snprintf, which was added to bring 

our sprintf()-alike in sync with our fprintf()-alike features.


strings/my_vsnprintf.c:
  Advance the destination pointer properly.
  
  Also, pay attention to the "n" in snprintf() -- never write too much.
parent 4d1cd02e

strings/my_vsnprintf.c

+5 −1
Original line number Diff line number Diff line
@@ -99,7 +99,11 @@ int my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap) 
    else if (*fmt == 'b')				/* Buffer parameter */

    {

      char *par = va_arg(ap, char *);

      to=memmove(to, par, abs(width));

      DBUG_ASSERT(to <= end);

      if (to + abs(width) + 1 > end)

        width= end - to - 1;  /* sign doesn't matter */

      memmove(to, par, abs(width));

      to+= width;

      continue;

    }

    else if (*fmt == 'd' || *fmt == 'u'|| *fmt== 'x')	/* Integer parameter */