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2020-08-13 Colin Watson <cjwatson@debian.org> Version: 1.5.3 * lib/Makefile.am (libpipeline_la_LDFLAGS): Bump -version-info to 6:3:5. 2020-08-03 Colin Watson <cjwatson@debian.org> Port tests to the modern Check API Fixes Savannah bug #58883. * configure.ac: Test for check >= 0.9.10. * tests/argstr.c, tests/basic.c, tests/exec.c, tests/inspect.c, tests/pump.c, tests/read.c, tests/redirect.c: Replace uses of fail_unless and fail_if with appropriate ck_assert_* calls. In most cases these now use more specific equality etc. tests rather than just passing arbitrary predicates. * README: Document updated dependency. * NEWS: Document this. 2020-07-05 Colin Watson <cjwatson@debian.org> Fix handling of read/write errors safe_read and safe_write return size_t and define SAFE_READ_ERROR and SAFE_WRITE_ERROR as error return values. We had previously been assigning their result to a signed value. As a result, whether passthrough, pipeline_pump, and get_block would detect read/write errors was implementation-defined. * lib/pipeline.c (passthrough, get_block): Assign safe_read return value to a size_t rather than a signed integer type, and check for SAFE_READ_ERROR rather than negative values. (pipeline_pump): Assign safe_write return value to a size_t rather than an ssize_t, and check for SAFE_WRITE_ERROR rather than negative values. * NEWS: Document this. 2020-01-01 Colin Watson <cjwatson@debian.org> Version: 1.5.2 * lib/Makefile.am (libpipeline_la_LDFLAGS): Bump -version-info to 6:2:5. * README: Update copyright dates. 2020-01-01 Colin Watson <cjwatson@debian.org> * NEWS: Document pipeline_start doc change 2020-01-01 Colin Watson <cjwatson@debian.org> pipecmd_exec: Flush stdio in PIPECMD_FUNCTION case This fixes a regression in eceb4fc9c1a800739f3876a5c9538376adc77876 where we could lose some output from functions that write to standard output but don't explicitly flush. * lib/pipeline.c (pipecmd_exec): Flush output streams before exiting in the PIPECMD_FUNCTION case. 2020-01-01 Colin Watson <cjwatson@debian.org> pipeline_start: Document that standard FDs must be open Fixes Ubuntu bug #992271. * lib/pipeline.h (pipeline_start): Document that FDs 0, 1, and 2 must be open before calling this function. * man/libpipeline.3 (pipeline_start): Likewise. 2019-12-27 Colin Watson <cjwatson@debian.org> Use _exit rather than exit in pipecmd_exec This avoids bugs such as functions registered using atexit being called multiple times. * lib/pipeline.c (pipecmd_exec): Call _exit rather than exit. * NEWS: Document this. 2019-08-31 Colin Watson <cjwatson@debian.org> Enable many more GCC warnings * bootstrap.conf (gnulib_modules): Add manywarnings.<Paste> * configure.ac: Add gl_MANYWARN_ALL_GCC, with some refinements to disable -Wsystem-headers, -Wmissing-field-initializers, and -Winline. 2019-08-31 Colin Watson <cjwatson@debian.org> Add several function attributes suggested by GCC * lib/debug.c (vdebug): Mark first argument as a printf format string. * lib/pipeline.c (pipecmd_get_nargs, pipeline_get_ncommands, pipeline_get_command, pipeline_get_pid, pipeline_peek_size): Mark as pure. 2019-08-31 Colin Watson <cjwatson@debian.org> Make several functions static * tests/argstr.c (argstr_suite): Make static. * tests/basic.c (basic_suite): Likewise. * tests/exec.c (exec_suite): Likewise. * tests/inspect.c (inspect_suite): Likewise. * tests/pump.c (pump_suite): Likewise. * tests/read.c (read_suite): Likewise. * tests/redirect.c (redirect_suite): Likewise. 2019-08-31 Colin Watson <cjwatson@debian.org> Simplify some GCC attribute handling We have to be a little careful, as we can't use Gnulib in the public <pipeline.h> header; but we can rely on it for internal compilation units. * lib/pipeline.c (passthrough): Use _GL_UNUSED rather than PIPELINE_ATTR_UNUSED. * tests/basic.c (pre_exec): Likewise. * tests/common.h (MAIN): Likewise. * tests/inspect.c (pid_helper): Likewise. * tests/pump.c (tee_source): Likewise. * lib/pipeline.h (PIPELINE_ATTR_UNUSED): Note that this is unused, but preserved to avoid breaking (even undocumented) API. 2019-01-30 Colin Watson <cjwatson@debian.org> Use HTTPS URL * README, lib/libpipeline.pc.in (URL): Update homepage URL to https://nongnu.org/libpipeline/. 2019-01-27 Colin Watson <cjwatson@debian.org> Version: 1.5.1 * NEWS: Note Gnulib portability improvements. 2019-01-27 Colin Watson <cjwatson@debian.org> Update to Gnulib 20190124 * bootstrap.conf (GNULIB_REVISION): Set to 34881aff4043847f2640d90cf9aa325cc3ad08d6. 2019-01-05 Colin Watson <cjwatson@debian.org> Note requirement of Automake 1.11.2 AM_PROG_AR was actually introduced in 1.11.2, not 1.11. * bootstrap.conf (buildreq): Bump required automake version to 1.11.2. * NEWS: Clarify. 2019-01-05 Colin Watson <cjwatson@debian.org> Upgrade to Gnulib 20190105 In line with Gnulib, we now require Autoconf 2.63 and Automake 1.11. * bootstrap: Sync to Gnulib d271f868a8df9bbec29049d01e056481b7a1a263. * bootstrap.conf (GNULIB_REVISION): Set to d271f868a8df9bbec29049d01e056481b7a1a263. (buildreq): Bump required autoconf version to 2.63. * configure.ac (AM_INIT_AUTOMAKE): Bump to 1.11. (AM_SILENT_RULES, AM_PROG_AR): Remove conditionals, which were there for Automake 1.10 support. (AC_PREREQ): Bump to 2.63. * NEWS: Document this. 2019-01-05 Colin Watson <cjwatson@debian.org> Use tar --sort=name if available * m4/pipeline-tar-sort-name.m4: New file. * configure.ac: Call PIPELINE_TAR_SORT_NAME. 2018-12-24 Colin Watson <cjwatson@debian.org> More (void *) 0 as variadic sentinel * tests/basic.c (test_basic_status, test_basic_args, test_basic_pipeline, test_basic_wait_all, test_basic_setenv, test_basic_unsetenv, test_basic_clearenv, test_basic_chdir, test_basic_fchdir, test_basic_pre_exec, test_basic_sequence): Use (void *) rather than NULL as a sentinel for variadic functions. * tests/common.c (temp_dir_teardown): Likewise. * tests/exec.c (test_exec_process): Likewise. * tests/inspect.c (test_inspect_command, test_inspect_pipeline): Likewise. * tests/pump.c (fail_unless_files_equal, test_pump_connect_attaches_correctly, test_pump_tee): Likewise. * tests/redirect.c (test_redirect_files, test_redirect_outfile): Likewise. 2018-12-24 Colin Watson <cjwatson@debian.org> Use (void *) 0 as a variadic sentinel NULL is formally incorrect here since the standard allows it to be an integer constant expression. * lib/pipeline.c (argstr_get_word, pipecmd_tostring, pipeline_tostring): Use (void *) rather than NULL as a sentinel for variadic functions. 2018-05-29 Colin Watson <cjwatson@debian.org> Avoid gl directory confusion * bootstrap.conf (local_gl_dir): Set to 'gnulib-local'. 2018-05-28 Colin Watson <cjwatson@debian.org> Prefer the Gnulib versions of some more files * bootstrap.conf (gnulib_extra_files): Remove. (This has the effect of reverting to bootstrap's default of also copying some files in build-aux/ from Gnulib.) 2018-05-28 Colin Watson <cjwatson@debian.org> Clean up bootstrap configuration slightly * bootstrap.conf (gnulib_name, source_base, m4_base): Set these instead of the corresponding options in gnulib_tool_option_extras. 2018-05-28 Colin Watson <cjwatson@debian.org> Upgrade to Gnulib 20180527 * bootstrap.conf (GNULIB_URL): Remove. (GNULIB_REVISION): Set to 90f289f249a266b1afb9c63e182f5d979d17df5f. * configure.ac (AM_PROG_AR, LT_INIT): Move below gl_EARLY. 2018-05-28 Colin Watson <cjwatson@debian.org> Switch to bootstrap We no longer keep autogenerated files in git. * .gitignore: Add **/Makefile.in, /INSTALL, /aclocal.m4, /build-aux, /config.h.in, /configure, /gl, and /gnulib. Remove gnulib/*. * INSTALL, Makefile.in, aclocal.m4, autogen.sh, build-aux, config.h.in, configure, gnulib, lib/Makefile.in, man/Makefile.in, tests/Makefile.in: Remove. * bootstrap, bootstrap.conf: New files. * Makefile.am (SUBDIRS, EXTRA_DIST, ACLOCAL_AMFLAGS): Refer to gl/ rather than gnulib/ (gnulib/ now contains pristine source). (EXTRA_DIST): Replace autogen.sh with bootstrap and bootstrap.conf. Remove gnulib/m4/gnulib-cache.m4 and gnulib/m4/gnulib-tool.m4. * configure.ac (AC_CONFIG_FILES): Refer to gl/ rather than gnulib/. * lib/Makefile.am (libpipeline_la_CPPFLAGS, libpipeline_la_LIBADD): Likewise. * tests/Makefile.am (LIBS, AM_CPPFLAGS): Likewise. * release.sh: Call ./bootstrap rather than ./autogen.sh. 2017-11-14 Colin Watson <cjwatson@debian.org> Version: 1.5.0. * lib/Makefile.am (libpipeline_la_LDFLAGS): Bump -version-info to 6:0:5. 2017-11-14 Colin Watson <cjwatson@debian.org> Add pipecmd_pre_exec function * lib/pipeline-private.h (struct pipecmd): Add pre_exec_func, pre_exec_free_func, and pre_exec_data. * lib/pipeline.c (pipecmd_new, pipecmd_new_function, pipecmd_new_sequencev): Initialise cmd->pre_exec_func, cmd->pre_exec_free_func, and cmd->pre_exec_data. (pipecmd_dup): Copy cmd->pre_exec_func, cmd->pre_exec_free_func, and cmd->pre_exec_data if necessary. (pipecmd_pre_exec): New function. (pipecmd_exec): If cmd->pre_exec_func is set, call it immediately before calling execvp or cmd->func. * lib/pipeline.h (pipecmd_pre_exec): Add prototype. (pipeline_install_post_fork): Cross-reference pipecmd_pre_exec in comment. * man/Makefile.am (FUNCTIONS): Add pipecmd_pre_exec. * man/libpipeline.3 (Functions to build individual commands): Document pipecmd_pre_exec. (Functions to run pipelines and handle signals): Cross-reference pipecmd_pre_exec from pipeline_install_post_fork. * tests/basic.c (test_basic_pre_exec): Test pipecmd_pre_exec. * NEWS: Document this. * README: Update copyright years. 2017-07-10 Colin Watson <cjwatson@debian.org> tests/read.c: Update program_name 2017-07-10 Colin Watson <cjwatson@debian.org> Version: 1.4.2. * lib/Makefile.am (libpipeline_la_LDFLAGS): Bump -version-info to 5:2:4. 2017-07-10 Colin Watson <cjwatson@debian.org> Fix EOF detection in get_line * lib/pipeline.c (get_line): A short read isn't a reliable way to detect end-of-file. Instead, keep track of the previous buffer length returned by get_block; if we get the same length twice in a row then that indicates EOF. * tests/reading_long_line.c: Rename to ... * tests/read.c: ... this. Update build system and test names to match. (slow_line_helper, test_read_readline_slow): New test. 2017-07-10 Colin Watson <cjwatson@debian.org> Various autotools upgrades Upgrade to Automake 1.15.1, config.guess 2016-10-02, config.sub 2016-11-04, and Libtool 2.4.6-2 (from Debian). 2016-10-13 Colin Watson <cjwatson@debian.org> Add home page URL to README Suggested by Christopher Yeleighton. 2015-08-17 Colin Watson <cjwatson@debian.org> Version: 1.4.1. * lib/Makefile.am (libpipeline_la_LDFLAGS): Bump -version-info to 5:1:4. 2015-08-17 Colin Watson <cjwatson@debian.org> Upgrade to Automake 1:1.15-3 (from Debian). 2015-08-16 Colin Watson <cjwatson@debian.org> Fix test failure with Check 0.10.0 Reported by Bruce Dubbs. * tests/inspect.c (pid_helper): Set SIGTERM back to SIG_DFL, in case Check installed its own handler for that. * NEWS: Document this. 2015-08-06 Colin Watson <cjwatson@debian.org> Upgrade to Automake 1.15. 2015-06-18 Colin Watson <cjwatson@debian.org> Various autotools upgrades * aclocal.m4: Upgrade to Gettext 0.19.4. * build-aux/ltmain.sh: Upgrade to Libtool 2.4.2-1.11 (from Debian). 2014-10-26 Colin Watson <cjwatson@debian.org> Version: 1.4.0. * lib/Makefile.am (libpipeline_la_LDFLAGS): Bump -version-info to 5:0:4. 2014-10-26 Colin Watson <cjwatson@debian.org> Remove generated gnulib/lib/fcntl.h, added by accident * gnulib/lib/fcntl.h: Remove. * .gitignore: Add gnulib/lib/fcntl.h. 2014-10-24 Colin Watson <cjwatson@debian.org> Add pipecmd_fchdir function * lib/pipeline-private.h (struct pipecmd): Add cwd_fd. * lib/pipeline.c (pipecmd_new, pipecmd_new_function, pipecmd_new_sequencev): Initialise cmd->cwd_fd. (pipecmd_dup): Copy cmd->cwd_fd if necessary. (pipecmd_fchdir): New function. (pipecmd_dump, pipecmd_tostring): Serialise cmd->cwd_fd as "(cd <fd %d> && ...)" if necessary. (pipecmd_exec): If cmd->cwd_fd is set, fchdir to it. * lib/pipeline.h (pipecmd_fchdir): Add prototype. * man/Makefile.am (FUNCTIONS): Add pipecmd_fchdir. * man/libpipeline.3 (Functions to build individual commands): Document pipecmd_fchdir. * tests/basic.c (test_basic_fchdir): Test pipecmd_fchdir. * NEWS: Document this. 2014-10-23 Colin Watson <cjwatson@debian.org> NEWS: Document recent Solaris portability changes 2014-10-23 Colin Watson <cjwatson@debian.org> Add a cleaner way to suppress "Terminated" errors in tests * lib/pipeline.c (pipecmd_exec, pipeline_wait_all): If PIPELINE_QUIET is set, don't emit an error message when a subprocess is terminated by a signal. * man/libpipeline.3 (ENVIRONMENT): Document this. * tests/inspect.c (test_inspect_pid): Use this rather than assigning to stderr, which is not portable to Solaris. Reported by Peter Bray. 2014-10-22 Colin Watson <cjwatson@debian.org> autogen.sh: Avoid "export VARIABLE=value" syntax Older Solaris shells do not support this. Patch by Peter Bray. 2014-10-22 Colin Watson <cjwatson@debian.org> gnulib: Import mkdtemp module. Suggested by Peter Bray. 2014-09-22 Colin Watson <cjwatson@debian.org> Version: 1.3.1. * lib/Makefile.am (libpipeline_la_LDFLAGS): Bump -version-info to 4:1:3. 2014-09-22 Colin Watson <cjwatson@debian.org> Fix build on systems with neither setenv nor clearenv Fixes Savannah bug #43265. * lib/pipeline.c (clearenv): Don't define if defined(HAVE_SETENV), as in that case gnulib will provide this symbol. * lib/pipeline-private.h (clearenv): Likewise. * NEWS: Document this. 2014-09-17 Colin Watson <cjwatson@debian.org> Make sure that the generated shared library has no undefined symbols Based on a change found in https://github.com/Alexpux/MSYS2-packages/tree/master/libpipeline. * lib/Makefile.am (libpipeline_la_LDFLAGS): Add -no-undefined. 2014-09-15 Colin Watson <cjwatson@debian.org> Various autotools upgrades * aclocal.m4: Upgrade to pkg-config 0.28 and Gettext 0.19.2. * build-aux/config.sub: Upgrade to 2014-09-11. * build-aux/ltmain.sh: Upgrade to Libtool 2.4.2-1.10 (from Debian). 2014-08-03 Colin Watson <cjwatson@debian.org> Update to config.guess 2014-03-23 and config.sub 2014-05-01. 2014-04-24 Colin Watson <cjwatson@debian.org> Fix test failures on Cygwin. Reported by Chris J. Breisch. * configure.ac: Define SHELL as a C preprocessor symbol. * tests/basic.c (test_basic_wait_all, test_basic_setenv, test_basic_unsetenv, test_basic_clearenv): Execute SHELL rather than "sh". * tests/exec.c (test_exec_process): Likewise. * tests/basic.c (test_basic_args, test_basic_pipeline, test_basic_unsetenv, test_basic_clearenv, test_basic_chdir, test_basic_sequence): Check for pipeline_readline returning NULL. * tests/inspect.c (test_inspect_pid): Likewise. * tests/redirect.c (test_redirect_files): Likewise. * NEWS: Document this. 2014-03-26 Colin Watson <cjwatson@debian.org> Version: 1.3.0. * lib/Makefile.am (libpipeline_la_LDFLAGS): Bump -version-info to 4:0:3. 2014-03-26 Colin Watson <cjwatson@debian.org> * NEWS: Set next version to 1.3.0, due to new API. * lib/pipeline.c (pipecmd_dump): Simplify one fprintf to fputs. Upgrade to Automake 1:1.14.1-3 (from Debian). 2014-03-26 Colin Watson <cjwatson@debian.org> Add pipecmd_chdir function * lib/pipeline-private.h (struct pipecmd): Add cwd. * lib/pipeline.c (pipecmd_new, pipecmd_new_function, pipecmd_new_sequencev): Initialise cmd->cwd. (pipecmd_dup): Copy cmd->cwd if necessary. (pipecmd_chdir): New function. (pipecmd_dump, pipecmd_tostring): Serialise cmd->cwd as "(cd %s && ...)" if necessary. (pipecmd_exec): If cmd->cwd is set, chdir to it. (pipecmd_free): Free cmd->cwd. * lib/pipeline.h (pipecmd_chdir): Add prototype. * man/Makefile.am (FUNCTIONS): Add pipecmd_chdir. * man/libpipeline.3 (Functions to build individual commands): Document pipecmd_chdir. * tests/basic.c (test_basic_chdir): Test pipecmd_chdir. * NEWS: Document this. 2014-02-20 Colin Watson <cjwatson@debian.org> Move Autotools auxiliary build files from tools to build-aux. "build-aux" is a more conventional location for the Autotools files. 2014-02-18 Colin Watson <cjwatson@debian.org> Upgrade to Gnulib 20140202 and Libtool 2.4.2-1.7 (from Debian). 2014-02-06 Colin Watson <cjwatson@debian.org> Upgrade to Automake 1.14.1 and Libtool 2.4.2-1.6 (from Debian). 2013-12-18 Colin Watson <cjwatson@debian.org> Version: 1.2.6. * lib/Makefile.am (libpipeline_la_LDFLAGS): Bump -version-info to 3:6:2. 2013-12-18 Colin Watson <cjwatson@debian.org> Fix occasional failure in test_pump_tee * tests/pump.c (test_pump_tee): Wait for child processes before testing output. * NEWS: Document this. 2013-12-18 Colin Watson <cjwatson@debian.org> Clarify pipeline_wait's return value * man/libpipeline.3 (pipeline_wait): Synchronise description of return value with pipeline.h. 2013-12-03 Colin Watson <cjwatson@debian.org> Version: 1.2.5. * lib/Makefile.am (libpipeline_la_LDFLAGS): Bump -version-info to 3:5:2. 2013-12-03 Colin Watson <cjwatson@debian.org> gnulib: Import gnupload module. 2013-12-03 Colin Watson <cjwatson@debian.org> Build with large file support where available * gnulib: Import largefile module. * NEWS: Document this. 2013-12-03 Colin Watson <cjwatson@debian.org> Automatically generate ChangeLog from git * ChangeLog: Move to ... * ChangeLog-2013: ... here. * Makefile.am (EXTRA_DIST): Add ChangeLog-2013. (dist-hook): Add gen-ChangeLog. (gen-ChangeLog): New rule, based on that in coreutils. * gnulib: Import gitlog-to-changelog module.