From de6be7bbb9a2984a514d4076d77d97b054585d7c Mon Sep 17 00:00:00 2001
From: randomdan <randomdan@localhost>
Date: Wed, 7 Apr 2010 19:25:52 +0000
Subject: Add a writeToBuf function and use it

---
 libodbcpp/column.cpp | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 libodbcpp/column.h   |  4 ++++
 2 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/libodbcpp/column.cpp b/libodbcpp/column.cpp
index 0d0e6e2..14b12f8 100644
--- a/libodbcpp/column.cpp
+++ b/libodbcpp/column.cpp
@@ -1,3 +1,5 @@
+#include <stdio.h>
+#include <stdlib.h>
 #include "column.h"
 #include "command.h"
 #include "error.h"
@@ -67,5 +69,54 @@ namespace ODBC {
 	REBIND(float, bindParamF)
 	REBIND(TimeTypePair, bindParamT)
 	REBIND(unsigned char *, bindParamS)
-}
 
+	template <>
+	int
+	_Column<SQLDOUBLE>::writeToBuf(char ** buf, const char * fmt) const
+	{
+		return asprintf(buf, fmt, value);
+	}
+	template <>
+	int
+	_Column<SQLDOUBLE>::writeToBuf(char ** buf) const
+	{
+		return writeToBuf(buf, "%d");
+	}
+	template <>
+	int
+	_Column<SQLINTEGER>::writeToBuf(char ** buf, const char * fmt) const
+	{
+		return asprintf(buf, fmt, value);
+	}
+	template <>
+	int
+	_Column<SQLINTEGER>::writeToBuf(char ** buf) const
+	{
+		return writeToBuf(buf, "%ld");
+	}
+	template <>
+	int
+	_Column<SQLCHAR*>::writeToBuf(char ** buf, const char * fmt) const
+	{
+		return asprintf(buf, fmt, value);
+	}
+	template <>
+	int
+	_Column<SQLCHAR*>::writeToBuf(char ** buf) const
+	{
+		return writeToBuf(buf, "%s");
+	}
+	template <>
+	int
+	_Column<TimeTypePair>::writeToBuf(char ** buf, const char * fmt) const
+	{
+		*buf = (char *)malloc(30);
+		return strftime(*buf, sizeof(buf), fmt, &value.c());
+	}
+	template <>
+	int
+	_Column<TimeTypePair>::writeToBuf(char ** buf) const
+	{
+		return writeToBuf(buf, "%F %T");
+	}
+}
diff --git a/libodbcpp/column.h b/libodbcpp/column.h
index acc6904..616ca2d 100644
--- a/libodbcpp/column.h
+++ b/libodbcpp/column.h
@@ -22,6 +22,8 @@ namespace ODBC {
 			operator String () const;
 			operator const struct tm & () const;
 			virtual void rebind(Command *, unsigned int col) const = 0;
+			virtual int writeToBuf(char ** buf) const = 0;
+			virtual int writeToBuf(char ** buf, const char * fmt) const = 0;
 
 			const unsigned int		colNo;
 			const String	name;
@@ -35,6 +37,8 @@ namespace ODBC {
 			_Column(String, unsigned int);
 			~_Column() {}
 			void			rebind(Command *, unsigned int col) const;
+			int				writeToBuf(char ** buf) const;
+			int				writeToBuf(char ** buf, const char * fmt) const;
 	};
 }
 
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