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Overview
| Comment: | Limit the length of sqlite3_mprintf() output to 2^30 bytes, even if SQLITE_MAX_LENGTH is set larger at compile-time. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
d655a665acfae676d30e90e3731f483b |
| User & Date: | drh 2016-01-04 04:28:11 |
References
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2016-01-04
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| 12:07 | A new approach to very large sqlite3_mprintf() strings: Back out the [d655a665] check-in and instead make the size fields in StrAccum unsigned. Strings generated by sqlite3_mprintf() can now be as large as 2^31-1 bytes. check-in: 7adb789f user: drh tags: trunk | |
Context
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2016-01-04
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| 04:41 | Adjust the vtabH.test module to ignore files in the root directory of Windows machines that contain the "$" character. check-in: 73e33550 user: drh tags: trunk | |
| 04:28 | Limit the length of sqlite3_mprintf() output to 2^30 bytes, even if SQLITE_MAX_LENGTH is set larger at compile-time. check-in: d655a665 user: drh tags: trunk | |
| 03:48 | Fix a harmless compiler warning. check-in: 4b404a99 user: drh tags: trunk | |
Changes
Changes to src/printf.c.
961 961 (void)SQLITE_MISUSE_BKPT; 962 962 return 0; 963 963 } 964 964 #endif 965 965 #ifndef SQLITE_OMIT_AUTOINIT 966 966 if( sqlite3_initialize() ) return 0; 967 967 #endif 968 +#if SQLITE_MAX_LENGTH<0x40000000 968 969 sqlite3StrAccumInit(&acc, 0, zBase, sizeof(zBase), SQLITE_MAX_LENGTH); 970 +#else 971 + sqlite3StrAccumInit(&acc, 0, zBase, sizeof(zBase), 0x3fffffff); 972 +#endif 973 + 969 974 sqlite3VXPrintf(&acc, 0, zFormat, ap); 970 975 z = sqlite3StrAccumFinish(&acc); 971 976 return z; 972 977 } 973 978 974 979 /* 975 980 ** Print into memory obtained from sqlite3_malloc()(). Omit the internal