C++ (Cpp) __wt_struct_packv Examples

Example #1

static void
check(const char *fmt, ...)
{
	size_t len;
	char buf[200], *end, *p;
	va_list ap;

	len = 0;			/* -Werror=maybe-uninitialized */

	va_start(ap, fmt);
	testutil_check(__wt_struct_sizev(NULL, &len, fmt, ap));
	va_end(ap);

	if (len < 1 || len >= sizeof(buf))
		testutil_die(EINVAL,
		    "Unexpected length from __wt_struct_sizev");

	va_start(ap, fmt);
	testutil_check(__wt_struct_packv(NULL, buf, sizeof(buf), fmt, ap));
	va_end(ap);

	printf("%s ", fmt);
	for (p = buf, end = p + len; p < end; p++)
		printf("%02x", (u_char)*p & 0xff);
	printf("\n");
}

Example #2

File: pack_impl.c Project: rain10154/wiredtiger

/*内部使用的struct pack函数封装*/
int __wt_struct_pack(WT_SESSION_IMPL *session,
	void *buffer, size_t size, const char *fmt, ...)
{
	WT_DECL_RET;
	va_list ap;

	va_start(ap, fmt);
	ret = __wt_struct_packv(session, buffer, size, fmt, ap);
	va_end(ap);

	return (ret);
}

Example #3

File: pack_api.c Project: ajdavis/mongo

/*
 * wiredtiger_struct_pack --
 *	Pack a byte string (extension API).
 */
int
wiredtiger_struct_pack(WT_SESSION *wt_session,
    void *buffer, size_t len, const char *format, ...)
{
	WT_DECL_RET;
	WT_SESSION_IMPL *session;
	va_list ap;

	session = (WT_SESSION_IMPL *)wt_session;

	va_start(ap, format);
	ret = __wt_struct_packv(session, buffer, len, format, ap);
	va_end(ap);

	return (ret);
}

Example #4

File: pack_api.c Project: ajdavis/mongo

/*
 * __wt_ext_struct_pack --
 *	Pack a byte string (extension API).
 */
int
__wt_ext_struct_pack(WT_EXTENSION_API *wt_api, WT_SESSION *wt_session,
    void *buffer, size_t len, const char *fmt, ...)
{
	WT_DECL_RET;
	WT_SESSION_IMPL *session;
	va_list ap;

	session = (wt_session != NULL) ? (WT_SESSION_IMPL *)wt_session :
	    ((WT_CONNECTION_IMPL *)wt_api->conn)->default_session;

	va_start(ap, fmt);
	ret = __wt_struct_packv(session, buffer, len, fmt, ap);
	va_end(ap);

	return (ret);
}

Example #5

File: log.c Project: qixin/wiredtiger

int
__wt_log_put(WT_SESSION_IMPL *session, WT_LOGREC_DESC *recdesc, ...)
{
    WT_DECL_RET;
    WT_ITEM *buf;
    va_list ap;
    size_t size;

    buf = &session->logrec_buf;

    va_start(ap, recdesc);
    ret = __log_record_size(session, &size, recdesc, ap);
    va_end(ap);
    WT_RET(ret);

    WT_RET(__wt_buf_initsize(session, buf, size));

    va_start(ap, recdesc);
    ret = __wt_struct_packv(session, buf->mem, size, recdesc->fmt, ap);
    va_end(ap);
    return (ret);
}

Example #6

File: packing-test.c Project: Arikes/mongo

static void
check(const char *fmt, ...)
{
	char buf[200], *end, *p;
	va_list ap;
	size_t len;

	len = 0;			/* -Werror=maybe-uninitialized */

	va_start(ap, fmt);
	assert(__wt_struct_sizev(NULL, &len, fmt, ap) == 0);
	va_end(ap);

	assert(len > 0 && len < sizeof(buf));

	va_start(ap, fmt);
	assert(__wt_struct_packv(NULL, buf, sizeof(buf), fmt, ap) == 0);
	va_end(ap);

	printf("%s ", fmt);
	for (p = buf, end = p + len; p < end; p++)
		printf("%02x", *p & 0xff);
	printf("\n");
}