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Overview
| Comment: | In fts5, fix a case of overreading a buffer by 1 byte when counting characters in malformed utf-8. Fix for [dd1f67bf]. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
8d964e1c21d4cea699023e02b0616a75 |
| User & Date: | dan 2019-10-24 20:35:27 |
Context
|
2019-10-25
| ||
| 14:46 | Performance optimization in sqlite3BtreeCursor(). (check-in: ea068b09 user: drh tags: trunk) | |
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2019-10-24
| ||
| 23:43 | Merge fixes from trunk. (Closed-Leaf check-in: 4ec57d88 user: drh tags: generated-columns) | |
| 20:35 | In fts5, fix a case of overreading a buffer by 1 byte when counting characters in malformed utf-8. Fix for [dd1f67bf]. (check-in: 8d964e1c user: dan tags: trunk) | |
| 19:35 | Correction to check-in [bec5b6d4d083556d] so that it detects *all* triggers that might perturb the insertion cursor. Ticket [50c09fc2cf0d91ce]. (check-in: 521f1d36 user: drh tags: trunk) | |
Changes
Changes to ext/fts5/fts5_index.c.
| ︙ | ︙ | |||
5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 |
int nChar
){
int n = 0;
int i;
for(i=0; i<nChar; i++){
if( n>=nByte ) return 0; /* Input contains fewer than nChar chars */
if( (unsigned char)p[n++]>=0xc0 ){
while( (p[n] & 0xc0)==0x80 ){
n++;
if( n>=nByte ) break;
}
}
}
return n;
| > | 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 |
int nChar
){
int n = 0;
int i;
for(i=0; i<nChar; i++){
if( n>=nByte ) return 0; /* Input contains fewer than nChar chars */
if( (unsigned char)p[n++]>=0xc0 ){
if( n>=nByte ) break;
while( (p[n] & 0xc0)==0x80 ){
n++;
if( n>=nByte ) break;
}
}
}
return n;
|
| ︙ | ︙ |
Changes to ext/fts5/test/fts5misc.test.
| ︙ | ︙ | |||
213 214 215 216 217 218 219 220 221 222 223 |
do_execsql_test 7.1 {
SELECT rowid FROM t1 WHERE (rowid, x) IN (SELECT a, b FROM t2);
}
do_execsql_test 7.2 {
SELECT rowid FROM t1 WHERE rowid=2 AND t1 = 'hello';
}
finish_test
| > > > > > > > > > > > > > | 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 |
do_execsql_test 7.1 {
SELECT rowid FROM t1 WHERE (rowid, x) IN (SELECT a, b FROM t2);
}
do_execsql_test 7.2 {
SELECT rowid FROM t1 WHERE rowid=2 AND t1 = 'hello';
}
#-------------------------------------------------------------------------
#
reset_db
do_execsql_test 8.0 {
CREATE VIRTUAL TABLE vt0 USING fts5(c0, tokenize = "ascii", prefix = 1);
INSERT INTO vt0(c0) VALUES (x'd1');
}
breakpoint
do_execsql_test 8.1 {
INSERT INTO vt0(vt0) VALUES('integrity-check');
}
finish_test
|