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Overview
| Comment: | Avoid an assertion fault that can occur with invalid UTF8 on the LENGTH() function. Ticket #548. (CVS 1154) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 7080fc39eaf98ef7a7d1c1819603f67841f35c72 |
| User & Date: | drh 2004-01-02 13:17:49 |
Context
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2004-01-02
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| 15:08 | The "EST" timezone designation is ambiguous. Do not use it in the test scripts. (CVS 1155) check-in: 720b565e user: drh tags: trunk | |
| 13:17 | Avoid an assertion fault that can occur with invalid UTF8 on the LENGTH() function. Ticket #548. (CVS 1154) check-in: 7080fc39 user: drh tags: trunk | |
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2004-01-01
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| 12:33 | Remove unused code from the integrity_check logic. Ticket #545. (CVS 1153) check-in: ee51e205 user: drh tags: trunk | |
Changes
Changes to src/func.c.
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** This file contains the C functions that implement various SQL ** functions of SQLite. ** ** There is only one exported symbol in this file - the function ** sqliteRegisterBuildinFunctions() found at the bottom of the file. ** All other code has file scope. ** ** $Id: func.c,v 1.34 2003/12/23 02:17:35 drh Exp $ */ #include <ctype.h> #include <math.h> #include <stdlib.h> #include <assert.h> #include "sqliteInt.h" #include "os.h" ................................................................................ }else if( p1>0 ){ p1--; } if( p1+p2>len ){ p2 = len-p1; } #ifdef SQLITE_UTF8 for(i=0; i<p1; i++){ assert( z[i] ); if( (z[i]&0xc0)==0x80 ) p1++; } while( z[i] && (z[i]&0xc0)==0x80 ){ i++; p1++; } for(; i<p1+p2; i++){ assert( z[i] ); if( (z[i]&0xc0)==0x80 ) p2++; } while( z[i] && (z[i]&0xc0)==0x80 ){ i++; p2++; } #endif if( p2<0 ) p2 = 0; sqlite_set_result_string(context, &z[p1], p2); } |
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** This file contains the C functions that implement various SQL ** functions of SQLite. ** ** There is only one exported symbol in this file - the function ** sqliteRegisterBuildinFunctions() found at the bottom of the file. ** All other code has file scope. ** ** $Id: func.c,v 1.35 2004/01/02 13:17:49 drh Exp $ */ #include <ctype.h> #include <math.h> #include <stdlib.h> #include <assert.h> #include "sqliteInt.h" #include "os.h" ................................................................................ }else if( p1>0 ){ p1--; } if( p1+p2>len ){ p2 = len-p1; } #ifdef SQLITE_UTF8 for(i=0; i<p1 && z[i]; i++){ if( (z[i]&0xc0)==0x80 ) p1++; } while( z[i] && (z[i]&0xc0)==0x80 ){ i++; p1++; } for(; i<p1+p2 && z[i]; i++){ if( (z[i]&0xc0)==0x80 ) p2++; } while( z[i] && (z[i]&0xc0)==0x80 ){ i++; p2++; } #endif if( p2<0 ) p2 = 0; sqlite_set_result_string(context, &z[p1], p2); } |