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Overview
| Comment: | Work around an over-zealous optimization in GCC 4.3.3. See CVSTrac ticket #4027. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
9cbe3654055a78c09ea1ecd5dc599bcd |
| User & Date: | drh 2009-08-14 17:53:39 |
Context
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2009-08-14
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| 18:18 | Update the amalgamation builder so that it avoids putting redundant SQLITE_API macros on declarations. (check-in: 0d5b0587 user: drh tags: trunk) | |
| 17:53 | Work around an over-zealous optimization in GCC 4.3.3. See CVSTrac ticket #4027. (check-in: 9cbe3654 user: drh tags: trunk) | |
| 17:01 | Fix a case where SQLite may write past the end of a buffer as a result of a corrupted database file. (check-in: 43321a55 user: dan tags: trunk) | |
Changes
Changes to src/vdbemem.c.
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/* Only mark the value as an integer if ** ** (1) the round-trip conversion real->int->real is a no-op, and ** (2) The integer is neither the largest nor the smallest ** possible integer (ticket #3922) ** ** The second term in the following conditional enforces the second ** condition under the assumption that addition overflow causes ** values to wrap around. */ if( pMem->r==(double)pMem->u.i && (pMem->u.i-1) < (pMem->u.i+1) ){ pMem->flags |= MEM_Int; } } /* ** Convert pMem to type integer. Invalidate any prior representations. */ |
| | | > > | > |
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/* Only mark the value as an integer if ** ** (1) the round-trip conversion real->int->real is a no-op, and ** (2) The integer is neither the largest nor the smallest ** possible integer (ticket #3922) ** ** The second and third terms in the following conditional enforces ** the second condition under the assumption that addition overflow causes ** values to wrap around. On x86 hardware, the third term is always ** true and could be omitted. But we leave it in because other ** architectures might behave differently. */ if( pMem->r==(double)pMem->u.i && pMem->u.i>SMALLEST_INT64 && ALWAYS(pMem->u.i<LARGEST_INT64) ){ pMem->flags |= MEM_Int; } } /* ** Convert pMem to type integer. Invalidate any prior representations. */ |