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Overview
| Comment: | Prevent a warning about integer overflow when using a very large negative LIMIT. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
96106d5620eae51474234f4eec1d2c5b |
| User & Date: | drh 2016-11-30 01:05:41 |
Context
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2016-11-30
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| 04:07 | More improvements to boundary cases in the date/time functions, flowing out of branch coverage testing. check-in: 1218005a user: drh tags: trunk | |
| 01:05 | Prevent a warning about integer overflow when using a very large negative LIMIT. check-in: 96106d56 user: drh tags: trunk | |
| 00:48 | Further changes to the date/time functions to suppress harmless signed integer overflow warnings that could have occurred when doing out-of-range date calculations which, according to the docs, give undefined results. check-in: dc453b34 user: drh tags: trunk | |
Changes
Changes to src/vdbe.c.
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} break; } /* Opcode: DecrJumpZero P1 P2 * * * ** Synopsis: if (--r[P1])==0 goto P2 ** ** Register P1 must hold an integer. Decrement the value in register P1 ** then jump to P2 if the new value is exactly zero. */ case OP_DecrJumpZero: { /* jump, in1 */ pIn1 = &aMem[pOp->p1]; assert( pIn1->flags&MEM_Int ); pIn1->u.i--; VdbeBranchTaken(pIn1->u.i==0, 2); if( pIn1->u.i==0 ) goto jump_to_p2; break; } /* Opcode: AggStep0 * P2 P3 P4 P5 ** Synopsis: accum=r[P3] step(r[P2@P5]) ** |
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} break; } /* Opcode: DecrJumpZero P1 P2 * * * ** Synopsis: if (--r[P1])==0 goto P2 ** ** Register P1 must hold an integer. If the value in P1 is positive, ** decrement the value and jump to P2 if the new value is exactly zero. */ case OP_DecrJumpZero: { /* jump, in1 */ pIn1 = &aMem[pOp->p1]; assert( pIn1->flags&MEM_Int ); if( pIn1->u.i>0 ){ pIn1->u.i--; VdbeBranchTaken(pIn1->u.i==0, 2); if( pIn1->u.i==0 ) goto jump_to_p2; } break; } /* Opcode: AggStep0 * P2 P3 P4 P5 ** Synopsis: accum=r[P3] step(r[P2@P5]) ** |