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-rw-r--r--src/fbasicstring.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/src/fbasicstring.h b/src/fbasicstring.h
index 19853f5..4c33479 100644
--- a/src/fbasicstring.h
+++ b/src/fbasicstring.h
@@ -1118,7 +1118,7 @@ namespace Bu
1118 */ 1118 */
1119 chr *getStr() 1119 chr *getStr()
1120 { 1120 {
1121 if( core->pFirst == NULL ) 1121 if( core->pFirst == NULL || core->nLength == 0 )
1122 return (chr *)""; 1122 return (chr *)"";
1123 1123
1124 flatten(); 1124 flatten();
@@ -1133,7 +1133,7 @@ namespace Bu
1133 */ 1133 */
1134 const chr *getStr() const 1134 const chr *getStr() const
1135 { 1135 {
1136 if( core->pFirst == NULL ) 1136 if( core->pFirst == NULL || core->nLength == 0 )
1137 return (chr *)""; 1137 return (chr *)"";
1138 1138
1139 flatten(); 1139 flatten();
@@ -1219,7 +1219,7 @@ namespace Bu
1219 DEPRECATED 1219 DEPRECATED
1220 chr *c_str() 1220 chr *c_str()
1221 { 1221 {
1222 if( core->pFirst == NULL ) 1222 if( core->pFirst == NULL || core->nLength == 0 )
1223 return NULL; 1223 return NULL;
1224 1224
1225 flatten(); 1225 flatten();
@@ -1235,7 +1235,7 @@ namespace Bu
1235 DEPRECATED 1235 DEPRECATED
1236 const chr *c_str() const 1236 const chr *c_str() const
1237 { 1237 {
1238 if( core->pFirst == NULL ) 1238 if( core->pFirst == NULL || core->nLength == 0 )
1239 return NULL; 1239 return NULL;
1240 1240
1241 flatten(); 1241 flatten();
@@ -1460,7 +1460,7 @@ namespace Bu
1460 */ 1460 */
1461 bool operator==( const chr *pData ) const 1461 bool operator==( const chr *pData ) const
1462 { 1462 {
1463 if( core->pFirst == NULL ) { 1463 if( core->pFirst == NULL || core->nLength == 0 ) {
1464 if( pData == NULL ) 1464 if( pData == NULL )
1465 return true; 1465 return true;
1466 if( pData[0] == (chr)0 ) 1466 if( pData[0] == (chr)0 )
@@ -1646,9 +1646,11 @@ namespace Bu
1646 1646
1647 bool compareSub( const chr *pData, long nIndex, long nLen ) const 1647 bool compareSub( const chr *pData, long nIndex, long nLen ) const
1648 { 1648 {
1649 if( core->pFirst == NULL ) { 1649 if( core->pFirst == NULL || core->nLength == 0 ) {
1650 if( pData == NULL ) 1650 if( pData == NULL )
1651 return true; 1651 return true;
1652 if( nLen == 0 )
1653 return true;
1652 if( pData[0] == (chr)0 ) 1654 if( pData[0] == (chr)0 )
1653 return true; 1655 return true;
1654 return false; 1656 return false;
@@ -1673,7 +1675,7 @@ namespace Bu
1673 1675
1674 bool compareSub( const MyType &rData, long nIndex, long nLen ) const 1676 bool compareSub( const MyType &rData, long nIndex, long nLen ) const
1675 { 1677 {
1676 if( core->pFirst == NULL || rData.core->pFirst == NULL ) 1678 if( core->pFirst == NULL || core->nLength == 0 || rData.core->pFirst == NULL || rData.core->nLength == 0 )
1677 return false; 1679 return false;
1678 if( nLen < 0 ) 1680 if( nLen < 0 )
1679 nLen = rData.core->nLength; 1681 nLen = rData.core->nLength;
@@ -1922,7 +1924,7 @@ namespace Bu
1922 1924
1923 void trimBack( chr c ) 1925 void trimBack( chr c )
1924 { 1926 {
1925 if( core->pFirst == NULL ) 1927 if( core->pFirst == NULL || core->nLength == 0 )
1926 return; 1928 return;
1927 flatten(); 1929 flatten();
1928 for( ; core->pFirst->nLength > 0 && core->pFirst->pData[core->pFirst->nLength-1] == c; core->pFirst->nLength--, core->nLength-- ) { } 1930 for( ; core->pFirst->nLength > 0 && core->pFirst->pData[core->pFirst->nLength-1] == c; core->pFirst->nLength--, core->nLength-- ) { }
@@ -2018,7 +2020,7 @@ namespace Bu
2018 if( isFlat() ) 2020 if( isFlat() )
2019 return; 2021 return;
2020 2022
2021 if( core->pFirst == NULL ) 2023 if( core->pFirst == NULL || core->nLength == 0 )
2022 return; 2024 return;
2023 2025
2024 Chunk *pNew = core->newChunk( core->nLength ); 2026 Chunk *pNew = core->newChunk( core->nLength );