[SCM] make branch, master, updated. 4.1-21-g43181f1

[Paul D. Smith]

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- Log -----------------------------------------------------------------
commit 43181f1f8241c74f68d4ff85e567c418b128c569
Author: Paul Smith <address@hidden>
Date:   Sun Jul 12 21:03:24 2015 -0400

    [SV 28092] Preserve the exit status of the $(shell...) function.
    
    Add a new variable .SHELLSTATUS which holds the exit status of the
    last-invoked shell function or != assignment.
    
    * NEWS, doc/make.texi: Document the change.
    * function.c (shell_completed, msdos_openpipe, func_shell_base): Add
    shell_completed() to handle the completion of the shell, by setting
    .SHELLSTATUS.  Call it where needed.
    * job.c (child_handler): Call shell_completed().
    * tests/scripts/functions/shell: Add tests for .SHELLSTATUS.

commit c18b23f7b249fb0ef17593b1641831fc05a56027
Author: Paul Smith <address@hidden>
Date:   Sun Jul 12 18:05:50 2015 -0400

    * tests/scripts/misc/fopen-fail: [SV 42390] Increase test timeout.
    
    * Makefile.am (check-regression): Force ulimit -n for fopen-fail test.

commit fe5585528fe3b48084328bb0f713a071a6ee406a
Author: Paul Smith <address@hidden>
Date:   Sun Jul 12 17:29:05 2015 -0400

    * job.c: [SV 43936] Check sigaction for error return.

commit 0205d3d08c810e15ef35475f5792dc049daf2f2c
Author: Paul Smith <address@hidden>
Date:   Sun Jul 12 13:25:16 2015 -0400

    [SV 45049] Check for '$' being the last character in a string.
    
    * expand.c (variable_expand_string): Add a single '$' if '$' ends the
    string.
    * read.c (find_char_unquote, get_next_mword): Stop if '$' ends the
    string.
    * variable.c (parse_variable_definition): Ditto.

commit 9ef06be018627773e6dcea2a37f0e03fea575741
Author: Paul Smith <address@hidden>
Date:   Sun Jul 12 12:35:42 2015 -0400

    * read.c (unescape_char): [SV 45050] Handle final backslashes.
    
    If the last thing in the string to be unescaped is a backslash,
    stop without reading beyond the end of the string.

commit ac9a39dad7f79bf5a599654337d12f771e246949
Author: Paul Smith <address@hidden>
Date:   Sat Jul 11 17:21:22 2015 -0400

    * strcache.c: [SV 45275] Handle very long strings.
    
    Our previous behavior for handling too-long strings involved
    increasing the size of the default string cache buffer, but the
    implementation was incomplete.  Instead, create a one-off large
    string cache entry and add it directly to the full cache list
    without changing the default buffer size.

commit c6ac58078507aeedb0e2d3a6b20f632652415e93
Author: Duncan Moore <address@hidden>
Date:   Sun Jun 14 14:34:18 2015 +0100

    * job.c [RISCOS]: Remove logic that is no longer required.
    
    Signed-off-by: Paul Smith <address@hidden>
    Copyright-paperwork-exempt: yes

commit 9efd477e9872f67143bc456a61b8349ee5b4f4d8
Author: Paul Smith <address@hidden>
Date:   Sat Jul 11 13:55:45 2015 -0400

    * remake.c (update_file): [SV 44742] Keep double-colon rule status.
    
    Fix suggested by Everett Boyer <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 Makefile.am                   |    9 ++--
 NEWS                          |    9 +++-
 doc/make.texi                 |    9 ++++-
 expand.c                      |    9 ++--
 function.c                    |   37 ++++++++++++++----
 job.c                         |   33 ++++++----------
 makeint.h                     |    1 -
 read.c                        |   11 +++++
 remake.c                      |    2 +-
 strcache.c                    |   84 +++++++++++++++++++++-------------------
 tests/scripts/functions/shell |   19 ++++++++-
 tests/scripts/misc/fopen-fail |    5 ++-
 variable.c                    |    2 +
 variable.h                    |    2 +-
 14 files changed, 145 insertions(+), 87 deletions(-)


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