From f43b5de649cdf8a36f7d90a96932800cb0e34162 Mon Sep 17 00:00:00 2001
From: Hiroshi Inoue <inoue@tpf.co.jp>
Date: Fri, 11 Jan 2002 02:50:01 +0000
Subject: Add a directory to save the changes until 7.3-tree is branched.

---
 src/interfaces/odbc/windev/lobj.c | 186 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 186 insertions(+)
 create mode 100644 src/interfaces/odbc/windev/lobj.c

(limited to 'src/interfaces/odbc/windev/lobj.c')

diff --git a/src/interfaces/odbc/windev/lobj.c b/src/interfaces/odbc/windev/lobj.c
new file mode 100644
index 00000000000..6b55b82d54e
--- /dev/null
+++ b/src/interfaces/odbc/windev/lobj.c
@@ -0,0 +1,186 @@
+/*--------
+ * Module:			lobj.c
+ *
+ * Description:		This module contains routines related to manipulating
+ *					large objects.
+ *
+ * Classes:			none
+ *
+ * API functions:	none
+ *
+ * Comments:		See "notice.txt" for copyright and license information.
+ *--------
+ */
+
+#include "lobj.h"
+
+#include "connection.h"
+
+
+Oid
+lo_creat(ConnectionClass *conn, int mode)
+{
+	LO_ARG		argv[1];
+	int			retval,
+				result_len;
+
+	argv[0].isint = 1;
+	argv[0].len = 4;
+	argv[0].u.integer = mode;
+
+	if (!CC_send_function(conn, LO_CREAT, &retval, &result_len, 1, argv, 1))
+		return 0;				/* invalid oid */
+	else
+		return retval;
+}
+
+
+int
+lo_open(ConnectionClass *conn, int lobjId, int mode)
+{
+	int			fd;
+	int			result_len;
+	LO_ARG		argv[2];
+
+	argv[0].isint = 1;
+	argv[0].len = 4;
+	argv[0].u.integer = lobjId;
+
+	argv[1].isint = 1;
+	argv[1].len = 4;
+	argv[1].u.integer = mode;
+
+	if (!CC_send_function(conn, LO_OPEN, &fd, &result_len, 1, argv, 2))
+		return -1;
+
+	if (fd >= 0 && lo_lseek(conn, fd, 0L, SEEK_SET) < 0)
+		return -1;
+
+	return fd;
+}
+
+
+int
+lo_close(ConnectionClass *conn, int fd)
+{
+	LO_ARG		argv[1];
+	int			retval,
+				result_len;
+
+	argv[0].isint = 1;
+	argv[0].len = 4;
+	argv[0].u.integer = fd;
+
+	if (!CC_send_function(conn, LO_CLOSE, &retval, &result_len, 1, argv, 1))
+		return -1;
+	else
+		return retval;
+}
+
+
+int
+lo_read(ConnectionClass *conn, int fd, char *buf, int len)
+{
+	LO_ARG		argv[2];
+	int			result_len;
+
+	argv[0].isint = 1;
+	argv[0].len = 4;
+	argv[0].u.integer = fd;
+
+	argv[1].isint = 1;
+	argv[1].len = 4;
+	argv[1].u.integer = len;
+
+	if (!CC_send_function(conn, LO_READ, (int *) buf, &result_len, 0, argv, 2))
+		return -1;
+	else
+		return result_len;
+}
+
+
+int
+lo_write(ConnectionClass *conn, int fd, char *buf, int len)
+{
+	LO_ARG		argv[2];
+	int			retval,
+				result_len;
+
+	if (len <= 0)
+		return 0;
+
+	argv[0].isint = 1;
+	argv[0].len = 4;
+	argv[0].u.integer = fd;
+
+	argv[1].isint = 0;
+	argv[1].len = len;
+	argv[1].u.ptr = (char *) buf;
+
+	if (!CC_send_function(conn, LO_WRITE, &retval, &result_len, 1, argv, 2))
+		return -1;
+	else
+		return retval;
+}
+
+
+int
+lo_lseek(ConnectionClass *conn, int fd, int offset, int whence)
+{
+	LO_ARG		argv[3];
+	int			retval,
+				result_len;
+
+	argv[0].isint = 1;
+	argv[0].len = 4;
+	argv[0].u.integer = fd;
+
+	argv[1].isint = 1;
+	argv[1].len = 4;
+	argv[1].u.integer = offset;
+
+	argv[2].isint = 1;
+	argv[2].len = 4;
+	argv[2].u.integer = whence;
+
+	if (!CC_send_function(conn, LO_LSEEK, &retval, &result_len, 1, argv, 3))
+		return -1;
+	else
+		return retval;
+}
+
+
+int
+lo_tell(ConnectionClass *conn, int fd)
+{
+	LO_ARG		argv[1];
+	int			retval,
+				result_len;
+
+	argv[0].isint = 1;
+	argv[0].len = 4;
+	argv[0].u.integer = fd;
+
+	if (!CC_send_function(conn, LO_TELL, &retval, &result_len, 1, argv, 1))
+		return -1;
+	else
+		return retval;
+}
+
+
+int
+lo_unlink(ConnectionClass *conn, Oid lobjId)
+{
+	LO_ARG		argv[1];
+	int			retval,
+				result_len;
+
+	argv[0].isint = 1;
+	argv[0].len = 4;
+	argv[0].u.integer = lobjId;
+
+	if (!CC_send_function(conn, LO_UNLINK, &retval, &result_len, 1, argv, 1))
+		return -1;
+	else
+		return retval;
+}
-- 
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