Function pqTraceOutputNchar

src/interfaces/libpq/fe-trace.c:187–212

* pqTraceOutputNchar: output a string of exactly len bytes message to the log */

 * pqTraceOutputNchar: output a string of exactly len bytes message to the log
 */
static void
pqTraceOutputNchar(FILE *pfdebug, int len, const char *data, int *cursor)
{
	int			i,
				next;			/* first char not yet printed */
	const char *v = data + *cursor;

	fprintf(pfdebug, " \'");

	for (next = i = 0; i < len; ++i)
	{
		if (isprint((unsigned char) v[i]))
			continue;
		else
		{
			fwrite(v + next, 1, i - next, pfdebug);
			fprintf(pfdebug, "\\x%02x", v[i]);
			next = i + 1;
		}
	}
	if (next < len)
		fwrite(v + next, 1, len - next, pfdebug);

	fprintf(pfdebug, "\'");
	*cursor += len;
}

/*
 * Output functions by protocol message type