/*!
* \brief Write argument list to a stream using a given format.
*
* Similar to vfprintf() except that the format string is located in
* program memory.
*
* \param stream Pointer to a previously opened stream.
* \param fmt Format string in program space containing conversion
* specifications.
* \param ap List of arguments.
*
* \return The number of characters written or a negative value to
* indicate an error.
*/
int vfprintf_P(FILE * stream, PGM_P fmt, va_list ap)
{
int rc;
char *rp;
size_t rl;
rl = strlen_P(fmt) + 1;
if ((rp = NutHeapAlloc(rl)) == 0)
return -1;
memcpy_P(rp, fmt, rl);
rc = _putf(_write, stream->iob_fd, rp, ap);
NutHeapFree(rp);
return rc;
}
/*!
* \brief Write argument list to a stream using a given format.
*
* \param stream Pointer to a previously opened stream.
* \param fmt Format string containing conversion specifications.
* \param ap List of arguments.
*
* \return The number of characters written or a negative value to
* indicate an error.
*/
int vfprintf(FILE * stream, CONST char *fmt, va_list ap)
{
return _putf(_write, stream->iob_fd, fmt, ap);
}
