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-rwxr-xr-xsrc/core/xbssv.cpp111
1 files changed, 68 insertions, 43 deletions
diff --git a/src/core/xbssv.cpp b/src/core/xbssv.cpp
index 252daab..d3e1070 100755
--- a/src/core/xbssv.cpp
+++ b/src/core/xbssv.cpp
@@ -2,7 +2,7 @@
XBase64 Software Library
-Copyright (c) 1997,2003,2014,2022 Gary A Kunkel
+Copyright (c) 1997,2003,2014,2022,2023 Gary A Kunkel
The xb64 software library is covered under the terms of the GPL Version 3, 2007 license.
@@ -15,8 +15,6 @@ Email Contact:
#include "xbase.h"
-
-
namespace xb{
const xbErrorMessage xbErrorMessages[] = {
@@ -26,6 +24,7 @@ const xbErrorMessage xbErrorMessages[] = {
{ XB_DUP_TABLE_OR_ALIAS, "Duplicate Alias/Table Name" },
{ XB_INVALID_NODELINK, "Invalid Node Link" },
{ XB_KEY_NOT_UNIQUE, "Key Not Unique" },
+ { XB_MEMCPY_ERROR, "Memory copy failure" },
{ XB_FILE_EXISTS, "File Already Exists" },
{ XB_ALREADY_OPEN, "Database already open" },
{ XB_DBF_FILE_NOT_OPEN, "DBF File Not Open" },
@@ -49,6 +48,8 @@ const xbErrorMessage xbErrorMessages[] = {
{ XB_INVALID_TABLE_NAME, "Invalid Table Name" },
{ XB_EMPTY, "Empty Table or Index" },
{ XB_LIMIT_REACHED, "Limit Reached" },
+ { XB_BLOCKREAD_NOT_ENABLED, "Block Read Mode is not enabled" },
+ { XB_DIRECTORY_ERROR, "Directory Read/Write error" },
{ XB_INVALID_FIELD_TYPE, "Unknown Field Type" },
{ XB_INVALID_FIELD_NO, "Invalid Field Number" },
{ XB_INVALID_DATA, "Invalid Data" },
@@ -89,12 +90,13 @@ xbBool xbSsv::bDefaultAutoCommit = xbTrue;
xbString xbSsv::sDataDirectory = PROJECT_DATA_DIR;
#else
xbString xbSsv::sDataDirectory = PROJECT_DATA_DIR;
-#endif
+#endif //
#ifdef XB_LOGGING_SUPPORT
-xbString xbSsv::sDefaultLogDirectory = PROJECT_LOG_DIR;
-xbString xbSsv::sDefaultLogFileName = PROJECT_DFLT_LOGFILE;
-#endif
+xbString xbSsv::sLogDirectory = PROJECT_LOG_DIR;
+//xbString xbSsv::sLogDirectory = "";
+xbString xbSsv::sLogFileName = PROJECT_DFLT_LOGFILE;
+#endif // XB_LOGGING_SUPPORT
#ifdef XB_LOCKING_SUPPORT
xbInt32 xbSsv::lDefaultLockWait = 100;
@@ -104,18 +106,21 @@ xbInt16 xbSsv::iDefaultLockFlavor = 1;
xbBool xbSsv::bMultiUser = xbTrue;
#else
xbBool xbSsv::bMultiUser = xbFalse;
-#endif
+#endif // XB_LOCKING_SUPPORT
#if defined (XB_NDX_SUPPORT) || defined (XB_MDX_SUPPORT)
xbInt16 xbSsv::iUniqueKeyOpt = XB_HALT_ON_DUPKEY;
// is one of XB_HALT_ON_DUPKEY || XB_EMULATE_DBASE
-#endif
+#endif // defined (XB_NDX_SUPPORT) || defined (XB_MDX_SUPPORT)
#ifdef XB_MDX_SUPPORT
xbInt16 xbSsv::iCreateMdxBlockSize = 1024; // 1024 is DBase 7 default size for MDX index blocks
-#endif
+#endif // XB_MDX_SUPPORT
+#ifdef XB_BLOCKREAD_SUPPORT
+xbUInt32 xbSsv::ulDefaultBlockReadSize = 32768; // 32K buffer for block DBF datafile reads
+#endif // XB_BLOCKREAD_SUPPORT
/*************************************************************************/
//! @brief Class Constructor.
@@ -139,7 +144,6 @@ void xbSsv::BitDump( char c ) const {
xbBool xbSsv::BitSet( unsigned char c, xbInt16 iBitNo ) const {
return c & 1 << iBitNo;
}
-
/*************************************************************************/
//! @brief Display error message on console for a given error number.
/*!
@@ -164,7 +168,6 @@ void xbSsv::DisplayError( xbInt16 iErrorCode ) const {
xbBool xbSsv::GetDefaultAutoCommit() const {
return bDefaultAutoCommit;
}
-
/*************************************************************************/
//! @brief Get the current data directory.
/*!
@@ -184,19 +187,6 @@ xbString &xbSsv::GetDataDirectory() const {
xbString & xbSsv::GetDefaultDateFormat() const {
return sDefaultDateFormat;
}
-
-/*************************************************************************/
-// @brief Get the default file format version.
-/*
- \returns 3 - Dbase III file format<br>
- 4 - Dbase IV file format<br>
-*/
-
-/*
-xbInt16 xbSsv::GetDefaultFileVersion() const {
- return iDefaultFileVersion;
-}
-*/
/*************************************************************************/
//! @brief Get the Endian type.
/*!
@@ -206,7 +196,6 @@ xbInt16 xbSsv::GetDefaultFileVersion() const {
xbInt16 xbSsv::GetEndianType() const {
return iEndianType;
}
-
/*************************************************************************/
//! @brief Get an error message.
/*!
@@ -230,7 +219,25 @@ const char * xbSsv::GetErrorMessage( xbInt16 iErrorCode ) const{
}
return "";
}
+/*************************************************************************/
+//! @brief Get home directory.
+/*!
+ \param sHomeDirOut - Output home directory for current user.
+ \returns void
+*/
+
+void xbSsv::GetHomeDir( xbString &sHomeDirOut ){
+ #ifdef WIN32
+ sHomeDirOut.Sprintf( "%s%s", getenv( "HOMEDRIVE" ), getenv( "HOMEPATH" ));
+ #else
+ sHomeDirOut.Sprintf( "%s", getenv( "HOME" ));
+ sHomeDirOut.Trim();
+ if( sHomeDirOut == "" )
+ sHomeDirOut.Sprintf( "%s", getpwuid( getuid())->pw_dir );
+ #endif
+ sHomeDirOut.Trim();
+}
/*************************************************************************/
//! @brief Set the data directory.
/*!
@@ -240,7 +247,6 @@ const char * xbSsv::GetErrorMessage( xbInt16 iErrorCode ) const{
void xbSsv::SetDataDirectory( const xbString &sDataDirectory ){
this->sDataDirectory = sDataDirectory;
-
#ifdef WIN32
this->sDataDirectory.SwapChars( '/', '\\' );
#else
@@ -302,57 +308,53 @@ void xbSsv::SetEndianType() {
/*!
\returns Returns the log file name.
*/
-xbString & xbSsv::GetDefaultLogFileName() const {
- return sDefaultLogFileName;
+xbString & xbSsv::GetLogFileName() const {
+ return sLogFileName;
}
-
/*************************************************************************/
//! @brief Get the default log directory.
/*!
\returns Returns the log directory.
*/
-xbString & xbSsv::GetDefaultLogDirectory() const {
- return sDefaultLogDirectory;
+xbString & xbSsv::GetLogDirectory() const {
+ return sLogDirectory;
}
/*************************************************************************/
//! @brief Set the default log directory name.
/*!
- \param sDefaultLogDirectory Name of desired log directory.
+ \param sLogDirectory Name of desired log directory.
*/
-void xbSsv::SetDefaultLogDirectory( const xbString &sDefaultLogDirectory ){
-
- this->sDefaultLogDirectory = sDefaultLogDirectory;
+void xbSsv::SetLogDirectory( const xbString &sLogDirectoryIn ){
+ this->sLogDirectory = sLogDirectoryIn;
#ifdef WIN32
- this->sDefaultLogDirectory.SwapChars( '/', '\\' );
+ this->sLogDirectory.SwapChars( '/', '\\' );
#else
- this->sDefaultLogDirectory.SwapChars( '\\', '/' );
+ this->sLogDirectory.SwapChars( '\\', '/' );
#endif
-
}
#else
-xbString & xbSsv::GetDefaultLogFileName() const {
+xbString & xbSsv::GetLogFileName() const {
return sNullString;
}
-xbString & xbSsv::GetDefaultLogDirectory() const {
+xbString & xbSsv::GetLogDirectory() const {
return sNullString;
}
-void xbSsv::SetDefaultLogDirectory( const xbString &sDefaultLogDirectory ){
+void xbSsv::SetLogDirectory( const xbString &sLogDirectory ){
return;
}
#endif
-
/*************************************************************************/
#ifdef XB_LOCKING_SUPPORT
@@ -541,6 +543,29 @@ xbInt16 xbSsv::SetUniqueKeyOpt( xbInt16 iOpt ){
}
#endif
/************************************************************************/
+#ifdef XB_BLOCKREAD_SUPPORT
+
+//! @brief Get Default Read Block Size
+/*!
+ This routine returns the default read block size used when allocating
+ buffer space for block reads of table data. Initial setting is 32768 bytes.
+*/
+xbUInt32 xbSsv::GetDefaultBlockReadSize() const {
+ return ulDefaultBlockReadSize;
+}
+
+
+//! @brief Set Default Read Block Size
+/*!
+ This routine sets the default read block size used when allocating
+ buffer space for block reads of table data. Initial setting is 32768 bytes.
+*/
+void xbSsv::SetDefaultBlockReadSize( xbUInt32 ulDfltBlockReadSize ){
+ ulDefaultBlockReadSize = ulDfltBlockReadSize;
+}
+
+#endif // XB_BLOCKREAD_SUPPORT
+/************************************************************************/
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-15 05:59:37 +0000