db.1.85/PORT/clib/snprintf.c

   1 #include <sys/types.h>
   2 #include <sys/cdefs.h>
   3
   4 #include <compat.h>
   5
   6 #ifdef __STDC__
   7 #include <stdarg.h>
   8 #else
   9 #include <varargs.h>
  10 #endif
  11
  12 int
  13 #ifdef __STDC__
  14 snprintf(char *str, size_t n, const char *fmt, ...)
  15 #else
  16 snprintf(str, n, fmt, va_alist)
  17         char *str;
  18         size_t n;
  19         const char *fmt;
  20         va_dcl
  21 #endif
  22 {
  23         va_list ap;
  24         char *rp;
  25         int rval;
  26 #ifdef __STDC__
  27         va_start(ap, fmt);
  28 #else
  29         va_start(ap);
  30 #endif
  31 #ifdef VSPRINTF_CHARSTAR
  32         rp = vsprintf(str, fmt, ap);
  33         va_end(ap);
  34         return (strlen(rp));
  35 #else
  36         rval = vsprintf(str, fmt, ap);
  37         va_end(ap);
  38         return (rval);
  39 #endif
  40 }
  41
  42 int
  43 vsnprintf(str, n, fmt, ap)
  44         char *str;
  45         size_t n;
  46         const char *fmt;
  47         va_list ap;
  48 {
  49 #ifdef VSPRINTF_CHARSTAR
  50         return (strlen(vsprintf(str, fmt, ap)));
  51 #else
  52         return (vsprintf(str, fmt, ap));
  53 #endif
  54 }