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| ID | Category | Severity | Type | Date Submitted | Last Update | ||
| 0000539 | [1003.1(2008)/Issue 7] Shell and Utilities | Objection | Enhancement Request | 2012-01-26 21:04 | 2020-03-20 09:22 | ||
| Reporter | eblake | View Status | public | ||||
| Assigned To | ajosey | ||||||
| Priority | normal | Resolution | Accepted | ||||
| Status | Applied | ||||||
| Name | Eric Blake | ||||||
| Organization | Red Hat | ||||||
| User Reference | ebb.du2 | ||||||
| Section | du | ||||||
| Page Number | 2611 | ||||||
| Line Number | 84170 | ||||||
| Interp Status | --- | ||||||
| Final Accepted Text | |||||||
| Summary | 0000539: tighten du regarding files encountered through multiple command line arguments | ||||||
| Description |
0000527 gave a resolution that for TC2 of Issue 7, du would be documented as having unspecified behavior if a file is encountered multiple times through multiple command line arguments, but also added a future directions stating that this may be tightened in the future. Issue 8 is the perfect time to make these additional restrictions binding on implementations. The desired action is written assuming that 0000527 has already been applied, but uses line numbers from Issue 7. |
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| Desired Action |
Change line 84170 [du DESCRIPTION] from: A file that occurs multiple times under one file operand and that has a link count greater than 1 shall be counted and written for only one entry. It is implementation-defined whether a file that has a link count no greater than 1 is counted and written just once, or is counted and written for each occurrence. It is implementation-defined whether a file that occurs under one file operand is counted for other file operands. to: A file that occurs multiple times shall be counted and written for only one entry, even if the occurrences are under different file operands. In RATIONALE, after line 84272, add a paragraph: The use of the -L option, or of multiple file operands, requires that du track all file entries encountered, even with a link count of one. However, when -L is not used and only a single file operand is given, an implementation can optimize by only tracking files with a link count greater than one, since in that scenario, those are the only files that could be encountered more than once. In FUTURE DIRECTIONS, change line 84274 from: A future version of this standard may require that a file that occurs multiple times shall be counted and written for only one entry, even if the occurrences are under different file operands. to: None |
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| Tags | issue8 | ||||||
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Issue History |
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| Date Modified | Username | Field | Change |
| 2012-01-26 21:04 | eblake | New Issue | |
| 2012-01-26 21:04 | eblake | Status | New => Under Review |
| 2012-01-26 21:04 | eblake | Assigned To | => ajosey |
| 2012-01-26 21:04 | eblake | Name | => Eric Blake |
| 2012-01-26 21:04 | eblake | Organization | => Red Hat |
| 2012-01-26 21:04 | eblake | User Reference | => ebb.du2 |
| 2012-01-26 21:04 | eblake | Section | => du |
| 2012-01-26 21:04 | eblake | Page Number | => 2611 |
| 2012-01-26 21:04 | eblake | Line Number | => 84170 |
| 2012-01-26 21:04 | eblake | Interp Status | => --- |
| 2012-01-26 21:04 | eblake | Relationship added | related to 0000527 |
| 2012-01-26 21:06 | eblake | Description Updated | |
| 2012-01-26 21:07 | eblake | Tag Attached: issue8 | |
| 2012-01-26 21:25 | Don Cragun | Status | Under Review => Resolved |
| 2012-01-26 21:25 | Don Cragun | Resolution | Open => Accepted |
| 2020-03-20 09:22 | geoffclare | Status | Resolved => Applied |
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