external/bsd/nvi/dist/clib/vsnprintf.c

   1 #include "config.h"
   2
   3 #include <sys/types.h>
   4
   5 #include <stdio.h>
   6
   7 #ifdef __STDC__
   8 #include <stdarg.h>
   9 #else
  10 #include <varargs.h>
  11 #endif
  12
  13 /*
  14  * PUBLIC: #ifndef HAVE_VSNPRINTF
  15  * PUBLIC: int vsnprintf __P((char *, size_t, const char *, ...));
  16  * PUBLIC: #endif
  17  */
  18 int
  19 vsnprintf(str, n, fmt, ap)
  20         char *str;
  21         size_t n;
  22         const char *fmt;
  23         va_list ap;
  24 {
  25 #ifdef SPRINTF_RET_CHARPNT
  26         (void)vsprintf(str, fmt, ap);
  27         return (strlen(str));
  28 #else
  29         return (vsprintf(str, fmt, ap));
  30 #endif
  31 }