/*******************************************************************/

/*  slibtool: a skinny libtool implementation, written in C        */

/*  Copyright (C) 2016--2021  SysDeer Technologies, LLC            */

/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */

/*******************************************************************/

#include <stdio.h>

#include <stdarg.h>

#include <stdlib.h>

#include <unistd.h>

#include <errno.h>

#include "slibtool_snprintf_impl.h"

/*****************************************************************/

/* snprintf() wrapper that simplifies usage via the following:  */

/*                                                             */

/* (1) fail (return a negative result) in case the buffer is  */

/*     not sufficiently large for the formatted string plus  */

/*     the terminating null character.                      */

/*                                                         */

/**********************************************************/

int slbt_snprintf(char * buf, size_t buflen, const char * fmt, ...)

{

	va_list	ap;

	size_t  nbytes;

	va_start(ap,fmt);

	nbytes = vsnprintf(buf,buflen,fmt,ap);

	va_end(ap);

	if (nbytes >= buflen)

		return -1;

	return nbytes;

}