lib/libc/stdio/vsprintf.c

   1 /*
   2  * vsprintf - print formatted output without ellipsis on an array
   3  */
   4 /* $Header$ */
   5
   6 #include        <stdio.h>
   7 #include        <stdarg.h>
   8 #include        <limits.h>
   9 #include        "loc_incl.h"
  10
  11 int
  12 vsnprintf(char *s, size_t n, const char *format, va_list arg)
  13 {
  14         int retval;
  15         FILE tmp_stream;
  16
  17         tmp_stream._fd     = -1;
  18         tmp_stream._flags  = _IOWRITE + _IONBF + _IOWRITING;
  19         tmp_stream._buf    = (unsigned char *) s;
  20         tmp_stream._ptr    = (unsigned char *) s;
  21         tmp_stream._count  = n-1;
  22
  23         retval = _doprnt(format, arg, &tmp_stream);
  24         tmp_stream._count  = 1;
  25         putc('\0',&tmp_stream);
  26
  27         return retval;
  28 }
  29
  30 int
  31 vsprintf(char *s, const char *format, va_list arg)
  32 {
  33         return vsnprintf(s, INT_MAX, format, arg);
  34 }