| … | |
… | |
| 186 | || ob1->speed != ob2->speed |
186 | || ob1->speed != ob2->speed |
| 187 | || ob1->value != ob2->value |
187 | || ob1->value != ob2->value |
| 188 | || ob1->name != ob2->name) |
188 | || ob1->name != ob2->name) |
| 189 | return 0; |
189 | return 0; |
| 190 | |
190 | |
| 191 | /* Do not merge objects if nrof would overflow. First part checks |
191 | /* Do not merge objects if nrof would overflow, assume nrof |
| 192 | * for unsigned overflow (2c), second part checks whether the result |
192 | * is always 0 .. 2**31-1 */ |
| 193 | * would fit into a 32 bit signed int, which is often used to hold |
193 | if (ob1->nrof > 0x7fffffff - ob2->nrof) |
| 194 | * nrof values. |
|
|
| 195 | */ |
|
|
| 196 | if (~ob1->nrof < ob2->nrof || ob1->nrof + ob2->nrof > (1UL << 31)) |
|
|
| 197 | return 0; |
194 | return 0; |
| 198 | |
195 | |
| 199 | /* If the objects have been identified, set the BEEN_APPLIED flag. |
196 | /* If the objects have been identified, set the BEEN_APPLIED flag. |
| 200 | * This is to the comparison of the flags below will be OK. We |
197 | * This is to the comparison of the flags below will be OK. We |
| 201 | * just can't ignore the been applied or identified flags, as they |
198 | * just can't ignore the been applied or identified flags, as they |
