ack/lang/cem/libcc.ansi/stdio/vsnprintf.c
David Given f522aba4af Add support for snprintf and vsnprintf. Try and make the return value a bit
more standards-compliant.

--HG--
extra : source : a19eb606871f918e3d9e195b487b5276855edc8e
2013-05-29 17:10:58 +01:00

27 lines
532 B
C

/*
* vsprintf - print formatted output without ellipsis on an array
*/
/* $Id$ */
#include <stdio.h>
#include <stdarg.h>
#include "loc_incl.h"
int
vsnprintf(char *s, size_t len, const char *format, va_list arg)
{
int retval;
FILE tmp_stream;
tmp_stream._fd = -1;
tmp_stream._flags = _IOWRITE + _IONBF + _IOWRITING;
tmp_stream._buf = (unsigned char *) s;
tmp_stream._ptr = (unsigned char *) s;
tmp_stream._count = len;
retval = _doprnt(format, arg, &tmp_stream);
putc('\0',&tmp_stream);
return retval;
}