don't crash if (char*)c_str() is used twice in a row on the same string and both...

[wxWidgets.git] / include / wx / db.h

diff --git a/include/wx/db.h b/include/wx/db.h
index fef0255e707fae8dedee753cae90e3e58a3f2225..13c882cdea40819be8083b8c0b6e712d8d7bd65a 100644 (file)
--- a/include/wx/db.h
+++ b/include/wx/db.h
@@ -31,10 +31,6 @@
 #define OLD_GETCOLUMNS 1
 #define EXPERIMENTAL_WXDB_FUNCTIONS 1
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "db.h"
-#endif
-
 #include "wx/defs.h"
 #include "wx/string.h"
 
@@ -45,12 +41,7 @@
     #if wxUSE_MFC
         #include <afxwin.h>
     #else // !wxUSE_MFC
-        #ifndef STRICT
-            #define STRICT 1
-        #endif
-
-        #include <windows.h>
-        #include "wx/msw/winundef.h"
+        #include "wx/msw/wrapwin.h"
     #endif // wxUSE_MFC/!wxUSE_MFC
 
     // If you use the wxDbCreateDataSource() function with MSW/VC6,
@@ -66,9 +57,8 @@
     //#endif
     #include "odbcinst.h"
 #else
-    #if defined(__WINDOWS__) && ( defined(HAVE_W32API_H) || defined(__BORLANDC__) )
-        #include <windows.h>
-        #include "wx/msw/winundef.h"
+    #if defined(__WINDOWS__) && ( defined(HAVE_W32API_H) || defined(__BORLANDC__)  || defined (__DMC__))
+        #include "wx/msw/wrapwin.h"
     #endif
     extern "C" {
     #if defined(wxUSE_BUILTIN_IODBC) && wxUSE_BUILTIN_IODBC
@@ -83,13 +73,16 @@
           typedef UCHAR SQLTCHAR;
           #endif
         #endif
-    #else
+    #else // !wxUSE_BUILTIN_IODBC
+        // SQL headers define BOOL if it's not defined yet but BOOL is also
+        // defined in many other places on other systems (Motif, at least on
+        // OpenVMS; Cocoa and X11) so prevent the problem by defining it before
+        // including these headers
+        #define BOOL int
         #include <sql.h>
         #include <sqlext.h>
-        //#if wxUSE_UNICODE
-        //    #include <sqlucode.h>
-        //#endif
-    #endif
+        #undef BOOL
+    #endif // wxUSE_BUILTIN_IODBC/!wxUSE_BUILTIN_IODBC
     }
 #endif
 
@@ -99,6 +92,14 @@
 #define SQL_C_WXCHAR SQL_C_CHAR
 #endif
 
+#ifdef __DIGITALMARS__
+#if wxUSE_UNICODE
+typedef wxChar SQLTCHAR;
+#else
+typedef UCHAR SQLTCHAR;
+#endif
+#endif
+
 typedef float SFLOAT;
 typedef double SDOUBLE;
 typedef unsigned int UINT;
@@ -126,6 +127,15 @@ enum enumDummy {enumDum1};
     #endif
 #endif
 
+#ifndef _WIN64
+#ifndef SQLLEN
+#define SQLLEN SQLINTEGER
+#endif
+#ifndef SQLULEN
+#define SQLULEN SQLUINTEGER
+#endif
+#endif
+
 const int wxDB_PATH_MAX                 = 254;
 
 extern WXDLLIMPEXP_DATA_ODBC(wxChar const *) SQL_LOG_FILENAME;
@@ -145,6 +155,7 @@ const int DB_DATA_TYPE_INTEGER        = 2;
 const int DB_DATA_TYPE_FLOAT          = 3;
 const int DB_DATA_TYPE_DATE           = 4;
 const int DB_DATA_TYPE_BLOB           = 5;
+const int DB_DATA_TYPE_MEMO           = 6;
 
 const int DB_SELECT_KEYFIELDS         = 1;
 const int DB_SELECT_WHERE             = 2;
@@ -363,10 +374,10 @@ struct WXDLLIMPEXP_ODBC wxDbSqlTypeInfo
 class WXDLLIMPEXP_ODBC wxDbColFor
 {
 public:
-    wxString       s_Field;              // Formated String for Output
-    wxString       s_Format[7];          // Formated Objects - TIMESTAMP has the biggest (7)
-    wxString       s_Amount[7];          // Formated Objects - amount of things that can be formatted
-    int            i_Amount[7];          // Formated Objects - TT MM YYYY HH MM SS m
+    wxString       s_Field;              // Formatted String for Output
+    wxString       s_Format[7];          // Formatted Objects - TIMESTAMP has the biggest (7)
+    wxString       s_Amount[7];          // Formatted Objects - amount of things that can be formatted
+    int            i_Amount[7];          // Formatted Objects - TT MM YYYY HH MM SS m
     int            i_Nation;             // 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US
     int            i_dbDataType;         // conversion of the 'sqlDataType' to the generic data type used by these classes
     SWORD          i_sqlDataType;
@@ -514,7 +525,7 @@ private:
     bool             getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo);
     bool             setConnectionOptions(void);
     void             logError(const wxString &errMsg, const wxString &SQLState);
-    const wxChar    *convertUserID(const wxChar *userID, wxString &UserID);
+    void             convertUserID(const wxChar *userID, wxString &UserID);
     bool             determineDataTypes(bool failOnDataTypeUnsupported);
     void             initialize();
     bool             open(bool failOnDataTypeUnsupported=true);
@@ -542,6 +553,7 @@ private:
     wxDbSqlTypeInfo typeInfFloat;
     wxDbSqlTypeInfo typeInfDate;
     wxDbSqlTypeInfo typeInfBlob;
+    wxDbSqlTypeInfo typeInfMemo;
 #endif
 
 public:
@@ -652,7 +664,7 @@ public:
     bool         ExecSql(const wxString &pSqlStmt);
     bool         ExecSql(const wxString &pSqlStmt, wxDbColInf** columns, short& numcols);
     bool         GetNext(void);
-    bool         GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned);
+    bool         GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SQLLEN FAR *cbReturned);
     bool         Grant(int privileges, const wxString &tableName, const wxString &userList = wxT("PUBLIC"));
     int          TranslateSqlState(const wxString &SQLState);
     wxDbInf     *GetCatalog(const wxChar *userID=NULL);
@@ -681,6 +693,7 @@ public:
     wxDbSqlTypeInfo GetTypeInfFloat()      {return typeInfFloat;}
     wxDbSqlTypeInfo GetTypeInfDate()       {return typeInfDate;}
     wxDbSqlTypeInfo GetTypeInfBlob()       {return typeInfBlob;}
+    wxDbSqlTypeInfo GetTypeInfMemo()       {return typeInfMemo;}
 
     // tableName can refer to a table, view, alias or synonym
     bool         TableExists(const wxString &tableName, const wxChar *userID=NULL,
@@ -711,6 +724,9 @@ public:
 
     bool         FwdOnlyCursors(void)  {return fwdOnlyCursors;}
 
+    // return the string with all special SQL characters escaped
+    wxString     EscapeSqlChars(const wxString& value);
+
     // These two functions are provided strictly for use by wxDbTable.
     // DO NOT USE THESE FUNCTIONS, OR MEMORY LEAKS MAY OCCUR
     void         incrementTableCount() { nTables++; return; }