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Accumulated fixes for minor issues (#442)

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This commit applies various accumulated bugfixes:

- Applied some fixes for compiler warnings based off of the
  following pull requests (with whitespace changes excluded to
  avoid inflating the size of the diff):

  https://github.com/att/ast/pull/281
  https://github.com/att/ast/pull/283
  https://github.com/att/ast/pull/303
  https://github.com/att/ast/pull/304

- clone_type(): Two separate variables in this function share the
  same name. A bugfix from ksh93v- 2013-05-24 was backported to
  avoid conflict issues.

- Backported a minor error message improvement from ksh2020 for
  when the user attempts to run too many coprocesses.

- Backported a ksh2020 bugfix for a file descriptor leak:
  58bc8b56

- Backported ksh2020 bugfixes for unused variable and pointless
  assignment lint warnings:
  47650fe0
  df209c0d
  5e417b00

- Applied a few minor improvements to libast from graphviz:
  e7c03541
  969a7cde

- dtmemory(): Mark unused parameters with NOT_USED(). Based on:
  6ac3ad99

- Applied a few documentation/comment tweaks for the NEWS file,
  printf -v and spawnveg.

- Added a missing regression test for using the rm builtin's -f
  option without additional arguments (this was fixed in
  ksh93u+ 2012-02-14).
This commit is contained in:
Johnothan King 2022-01-30 12:09:14 -08:00 • committed by Martijn Dekker
parent e3a1dda93a
commit ad9f9ff13e
23 changed files with 78 additions and 59 deletions
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@ -858,7 +858,7 @@ Any uppercase BUG_* names are modernish shell bug IDs.
the parent environment was corrupted or the shell crashed.
When a redirection was used in a DEBUG trap action, the trap was disabled.
DEBUG traps were also incorrectly inherited by subshells and ksh functions.
All this was caused by a bug introduced in ksh 93t 2008-07-25.
All this was caused by a bug introduced in ksh 93t 2008-06-24.
2021-01-22:
@ -869,7 +869,7 @@ Any uppercase BUG_* names are modernish shell bug IDs.
- Fixed: executing a DEBUG trap in a command substitution had side effects
on the exit status ($?) of non-trap commands.
This bug was introduced in ksh 93t 2008-11-04.
This bug was introduced in ksh 93t 2008-09-21.
- The typeset builtin command now gives an informative error message if an
incompatible combination of options is given.