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Overview
| Comment: | Fix misplaced testcase() macros from the previous check-in. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
3aed949a18a251c5795f21f0385c205a |
| User & Date: | drh 2018-02-10 02:31:30 |
Context
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2018-02-12
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| 13:30 | Fix a possible infinite loop in VACUUM that can come up when the schema has been carefully corrupted. Problem discovered by OSSFuzz. Test cases in TH3. check-in: 27754b74 user: drh tags: trunk | |
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2018-02-10
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| 17:41 | Add the start of the "zonefile" extension. check-in: c125b4c3 user: dan tags: zonefile | |
| 02:31 | Fix misplaced testcase() macros from the previous check-in. check-in: 3aed949a user: drh tags: trunk | |
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2018-02-09
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| 23:25 | Improve the performance of the built-in REPLACE() function in cases where it does many substitutions that make the string larger. OSSFuzz is reporting intermittant timeouts when running a test where it does a REPLACE() on a 930KB random blob. Perhaps this enhancement will fix that. check-in: fab2c2b0 user: drh tags: trunk | |
Changes
Changes to src/func.c.
1235 1235 cntExpand = 0; 1236 1236 for(i=j=0; i<=loopLimit; i++){ 1237 1237 if( zStr[i]!=zPattern[0] || memcmp(&zStr[i], zPattern, nPattern) ){ 1238 1238 zOut[j++] = zStr[i]; 1239 1239 }else{ 1240 1240 if( nRep>nPattern ){ 1241 1241 nOut += nRep - nPattern; 1242 + testcase( nOut-1==db->aLimit[SQLITE_LIMIT_LENGTH] ); 1243 + testcase( nOut-2==db->aLimit[SQLITE_LIMIT_LENGTH] ); 1242 1244 if( nOut-1>db->aLimit[SQLITE_LIMIT_LENGTH] ){ 1243 1245 sqlite3_result_error_toobig(context); 1244 1246 sqlite3_free(zOut); 1245 1247 return; 1246 1248 } 1247 - testcase( nOut-1==db->aLimit[SQLITE_LIMIT_LENGTH] ); 1248 - testcase( nOut-2==db->aLimit[SQLITE_LIMIT_LENGTH] ); 1249 1249 cntExpand++; 1250 1250 if( (cntExpand&(cntExpand-1))==0 ){ 1251 1251 /* Grow the size of the output buffer only on substitutions 1252 1252 ** whose index is a power of two: 1, 2, 4, 8, 16, 32, ... */ 1253 1253 u8 *zOld; 1254 1254 zOld = zOut; 1255 1255 zOut = sqlite3_realloc64(zOut, (int)nOut + (nOut - nStr - 1));