[PATCH v8] Confstr support for RTEMS
Joel Sherrill
joel at rtems.org
Wed Mar 3 23:28:47 UTC 2021
Does anyone object to this? There were no comments and I will shortly merge
this if no one speaks up
On Mon, Feb 8, 2021 at 10:26 AM Eshan Dhawan <eshandhawan51 at gmail.com>
wrote:
> From: Eshan dhawan <eshandhawan51 at gmail.com>
>
> Closes #3373
>
> Signed-off-by: Eshan Dhawan <eshandhawan51 at gmail.com>
> ---
> cpukit/Makefile.am | 1 +
> cpukit/posix/src/confstr.c | 151 ++++++++++++++++++
> spec/build/cpukit/librtemscpu.yml | 1 +
> spec/build/testsuites/psxtests/grp.yml | 2 +
> spec/build/testsuites/psxtests/psxconfstr.yml | 20 +++
> testsuites/psxtests/Makefile.am | 9 ++
> testsuites/psxtests/configure.ac | 1 +
> testsuites/psxtests/psxconfstr/init.c | 97 +++++++++++
> testsuites/psxtests/psxconfstr/psxconfstr.doc | 17 ++
> testsuites/psxtests/psxconfstr/psxconfstr.scn | 4 +
> 10 files changed, 303 insertions(+)
> create mode 100644 cpukit/posix/src/confstr.c
> create mode 100644 spec/build/testsuites/psxtests/psxconfstr.yml
> create mode 100644 testsuites/psxtests/psxconfstr/init.c
> create mode 100644 testsuites/psxtests/psxconfstr/psxconfstr.doc
> create mode 100644 testsuites/psxtests/psxconfstr/psxconfstr.scn
>
> diff --git a/cpukit/Makefile.am b/cpukit/Makefile.am
> index 565aa66ce1..469754ab84 100644
> --- a/cpukit/Makefile.am
> +++ b/cpukit/Makefile.am
> @@ -511,6 +511,7 @@ librtemscpu_a_SOURCES += posix/src/condsignalsupp.c
> librtemscpu_a_SOURCES += posix/src/condtimedwait.c
> librtemscpu_a_SOURCES += posix/src/condwait.c
> librtemscpu_a_SOURCES += posix/src/condwaitsupp.c
> +librtemscpu_a_SOURCES += posix/src/confstr.c
> librtemscpu_a_SOURCES += posix/src/_execve.c
> librtemscpu_a_SOURCES += posix/src/fork.c
> librtemscpu_a_SOURCES += posix/src/key.c
> diff --git a/cpukit/posix/src/confstr.c b/cpukit/posix/src/confstr.c
> new file mode 100644
> index 0000000000..5f18f78096
> --- /dev/null
> +++ b/cpukit/posix/src/confstr.c
> @@ -0,0 +1,151 @@
> +/*-
> + * SPDX-License-Identifier: BSD-3-Clause
> + *
> + * Copyright (c) 1993
> + * The Regents of the University of California. All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in the
> + * documentation and/or other materials provided with the distribution.
> + * 3. Neither the name of the University nor the names of its contributors
> + * may be used to endorse or promote products derived from this
> software
> + * without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
> + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
> LIABLE
> + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> CONSEQUENTIAL
> + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
> + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
> + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
> STRICT
> + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
> WAY
> + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
> + * SUCH DAMAGE.
> + */
> +
> +#include <sys/cdefs.h>
> +/* Reduced to make sense in RTEMS */
> +__SCCSID("@(#)confstr.c 8.1 (Berkeley) 6/4/93");
> +__FBSDID("$FreeBSD$");
> +
> +#include <sys/param.h>
> +
> +#include <errno.h>
> +#include <limits.h>
> +#include <string.h>
> +#include <unistd.h>
> +
> +/* Many programming environment flags have same values
> +* this block is added to raise error if the flags value change
> +*/
> +
> +#if (_CS_POSIX_V6_ILP32_OFF32_CFLAGS != _CS_POSIX_V7_ILP32_OFF32_CFLAGS)
> +#error "_CS_POSIX_V6_ILP32_OFF32_CFLAGS and
> _CS_POSIX_V7_ILP32_OFF32_CFLAGS flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V6_ILP32_OFF32_LDFLAGS != _CS_POSIX_V7_ILP32_OFF32_LDFLAGS)
> +#error "_CS_POSIX_V6_ILP32_OFF32_LDFLAGS and
> _CS_POSIX_V7_ILP32_OFF32_LDFLAGS flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V6_ILP32_OFF32_LIBS!= _CS_POSIX_V7_ILP32_OFF32_LIBS)
> +#error "_CS_POSIX_V6_ILP32_OFF32_LIBS and _CS_POSIX_V7_ILP32_OFF32_LIBS
> flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS != _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS)
> +#error "_CS_POSIX_V6_LPBIG_OFFBIG_CFLAG and
> _CS_POSIX_V7_LPBIG_OFFBIG_CFLAG flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS !=
> _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS)
> +#error "_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS and
> _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V7_LPBIG_OFFBIG_LIBS != _CS_POSIX_V7_LPBIG_OFFBIG_LIBS)
> +#error "_CS_POSIX_V6_LPBIG_OFFBIG_LIBS and _CS_POSIX_V7_LPBIG_OFFBIG_LIBS
> flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS != _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS)
> +#error "_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS and
> _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS !=
> _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS)
> +#error "_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS and
> _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V7_ILP32_OFFBIG_LIBS != _CS_POSIX_V7_ILP32_OFFBIG_LIBS)
> +#error "_CS_POSIX_V6_ILP32_OFFBIG_LIBS and _CS_POSIX_V7_ILP32_OFFBIG_LIBS
> flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V6_LP64_OFF64_CFLAGS != _CS_POSIX_V7_LP64_OFF64_CFLAGS)
> +#error "_CS_POSIX_V6_LP64_OFF64_CFLAGS and _CS_POSIX_V7_LP64_OFF64_CFLAGS
> flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V6_LP64_OFF64_LDFLAGS != _CS_POSIX_V7_LP64_OFF64_LDFLAGS)
> +#error "_CS_POSIX_V6_LP64_OFF64_LDFLAGS and
> _CS_POSIX_V7_LP64_OFF64_LDFLAGS flag values not equal"
> +#endif
> +
> +#if (_CS_POSIX_V7_LP64_OFF64_LIBS != _CS_POSIX_V7_LP64_OFF64_LIBS)
> +#error "_CS_POSIX_V6_LP64_OFF64_LIBS and _CS_POSIX_V7_LP64_OFF64_LIBS
> flag values not equal"
> +#endif
> +
> +#if (_CS_V6_ENV != _CS_V7_ENV)
> +#error "_CS_V6_ENV and _CS_V7_ENV flag values not equal"
> +#endif
> +
> +size_t confstr(int name, char *buf, size_t len)
> +{
> + const char *p;
> + const char UPE[] = "unsupported programming environment";
> +
> + switch (name) {
> +
> + case _CS_PATH:
> + errno = EINVAL;
> + return (0);
> +
> +/*
> + * POSIX/SUS ``Programming Environments'' stuff
> + *
> + * We don't support more than one programming environment
> + * on any platform (yet), so we just return the empty
> + * string for the environment we are compiled for,
> + * and the string "unsupported programming environment"
> + * for anything else. (The Standard says that if these
> + * values are used on a system which does not support
> + * this environment -- determined via sysconf() -- then
> + * the value we return is unspecified. So, we return
> + * something which will cause obvious breakage.)
> + */
> +
> + case _CS_POSIX_V7_ILP32_OFF32_CFLAGS:
> + case _CS_POSIX_V7_ILP32_OFF32_LDFLAGS:
> + case _CS_POSIX_V7_ILP32_OFF32_LIBS:
> + case _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS:
> + case _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS:
> + case _CS_POSIX_V7_LPBIG_OFFBIG_LIBS:
> + case _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS:
> + case _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS:
> + case _CS_POSIX_V7_ILP32_OFFBIG_LIBS:
> + case _CS_POSIX_V7_LP64_OFF64_CFLAGS:
> + case _CS_POSIX_V7_LP64_OFF64_LDFLAGS:
> + case _CS_POSIX_V7_LP64_OFF64_LIBS:
> + case _CS_V7_ENV:
> +
> +
> + p = UPE;
> + if (len != 0 && buf != NULL){
> + strlcpy(buf, p, len);
> + }
> + return (strlen(p) + 1);
> +
> + default:
> + errno = EINVAL;
> + return (0);
> + }
> + /* NOTREACHED */
> +}
> diff --git a/spec/build/cpukit/librtemscpu.yml
> b/spec/build/cpukit/librtemscpu.yml
> index a43dcf0d48..81a86741bd 100644
> --- a/spec/build/cpukit/librtemscpu.yml
> +++ b/spec/build/cpukit/librtemscpu.yml
> @@ -1005,6 +1005,7 @@ source:
> - cpukit/posix/src/condtimedwait.c
> - cpukit/posix/src/condwait.c
> - cpukit/posix/src/condwaitsupp.c
> +- cpukit/posix/src/confstr.c
> - cpukit/posix/src/_execve.c
> - cpukit/posix/src/fork.c
> - cpukit/posix/src/key.c
> diff --git a/spec/build/testsuites/psxtests/grp.yml
> b/spec/build/testsuites/psxtests/grp.yml
> index 47dedac275..9aca26e694 100644
> --- a/spec/build/testsuites/psxtests/grp.yml
> +++ b/spec/build/testsuites/psxtests/grp.yml
> @@ -89,6 +89,8 @@ links:
> uid: psxcond02
> - role: build-dependency
> uid: psxconfig01
> +- role: build-dependency
> + uid: psxconfstr
> - role: build-dependency
> uid: psxdevctl01
> - role: build-dependency
> diff --git a/spec/build/testsuites/psxtests/psxconfstr.yml
> b/spec/build/testsuites/psxtests/psxconfstr.yml
> new file mode 100644
> index 0000000000..252fc4601d
> --- /dev/null
> +++ b/spec/build/testsuites/psxtests/psxconfstr.yml
> @@ -0,0 +1,20 @@
> +SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
> +build-type: test-program
> +cflags: []
> +copyrights:
> +- Copyright (C) 2020 Eshan Dhawan (eshandhawan51 at gmail.com)
> +cppflags: []
> +cxxflags: []
> +enabled-by: true
> +features: c cprogram
> +includes: []
> +ldflags: []
> +links: []
> +source:
> +- testsuites/psxtests/psxconfstr/init.c
> +stlib:
> +- m
> +target: testsuites/psxtests/psxconfstr.exe
> +type: build
> +use-after: []
> +use-before: []
> diff --git a/testsuites/psxtests/Makefile.am
> b/testsuites/psxtests/Makefile.am
> index aae5fe764a..246f5b82df 100755
> --- a/testsuites/psxtests/Makefile.am
> +++ b/testsuites/psxtests/Makefile.am
> @@ -358,6 +358,15 @@ psxconfig01_CPPFLAGS = $(AM_CPPFLAGS)
> $(TEST_FLAGS_psxconfig01) \
> $(support_includes) -I$(top_srcdir)/include
> endif
>
> +
> +psx_tests += psxconfstr
> +psx_screens += psxconfstr/psxconfstr.scn
> +psx_docs += psxconfstr/psxconfstr.doc
> +psxconfstr_SOURCES = psxconfstr/init.c
> +psxconfstr_CPPFLAGS = $(AM_CPPFLAGS) $(TEST_FLAGS_psxconfstr) \
> + $(support_includes)
> +
> +
> if TEST_psxdevctl01
> psx_tests += psxdevctl01
> psx_screens += psxdevctl01/psxdevctl01.scn
> diff --git a/testsuites/psxtests/configure.ac b/testsuites/psxtests/
> configure.ac
> index c509086abc..96c937cb4d 100644
> --- a/testsuites/psxtests/configure.ac
> +++ b/testsuites/psxtests/configure.ac
> @@ -80,6 +80,7 @@ RTEMS_TEST_CHECK([psxconcurrency01])
> RTEMS_TEST_CHECK([psxcond01])
> RTEMS_TEST_CHECK([psxcond02])
> RTEMS_TEST_CHECK([psxconfig01])
> +RTEMS_TEST_CHECK([psxconfstr])
> RTEMS_TEST_CHECK([psxdevctl01])
> RTEMS_TEST_CHECK([psxeintr_join])
> RTEMS_TEST_CHECK([psxenosys])
> diff --git a/testsuites/psxtests/psxconfstr/init.c
> b/testsuites/psxtests/psxconfstr/init.c
> new file mode 100644
> index 0000000000..31c6e8a476
> --- /dev/null
> +++ b/testsuites/psxtests/psxconfstr/init.c
> @@ -0,0 +1,97 @@
> +/* SPDX-License-Identifier: BSD-2-Clause */
> +
> +/**
> + * @file
> + * @brief Test suite for confstr method
> + */
> +
> +/*
> + * Copyright (C) 2020 Eshan Dhawan
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * 2. Redistributions in binary form must reproduce the above copyright
> + * notice, this list of conditions and the following disclaimer in the
> + * documentation and/or other materials provided with the distribution.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> "AS IS"
> + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
> THE
> + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
> PURPOSE
> + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
> BE
> + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
> BUSINESS
> + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
> THE
> + * POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#ifdef HAVE_CONFIG_H
> +#include "config.h"
> +#endif
> +
> +#include <errno.h>
> +#include <stdio.h>
> +#include <string.h>
> +#include <unistd.h>
> +
> +#include <rtems/test.h>
> +#include <rtems/test-info.h>
> +
> +const char rtems_test_name[] = "PSXCONFSTR";
> +
> +/* init test function begins */
> +T_TEST_CASE(confstr)
> +{
> +
> +int r;
> + char * buf ;
> + const char UPE[] = "unsupported programming environment";
> + size_t len1;
> + len1 = strlen(UPE) + 1;
> + r = confstr(_CS_PATH, buf, sizeof(buf));
> + T_quiet_psx_success(r);
> +
> + r = confstr(_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, buf, sizeof(buf));
> + T_quiet_eq_int(r, len1);
> +
> + r = confstr(_CS_POSIX_V6_LP64_OFF64_LDFLAGS, buf, sizeof(buf));
> + T_quiet_eq_int(r, len1);
> +
> + r = confstr(_CS_POSIX_V7_ILP32_OFF32_CFLAGS, buf, sizeof(buf));
> + T_quiet_eq_int(r, len1);
> +
> + r = confstr(_CS_POSIX_V7_ILP32_OFFBIG_CFLAGS, buf, sizeof(buf));
> + T_quiet_eq_int(r, len1);
> +
> + r = confstr(_CS_POSIX_V7_LP64_OFF64_LIBS, buf, sizeof(buf));
> + T_quiet_eq_int(r, len1);
> +
> + r = confstr(_CS_POSIX_V6_LP64_OFF64_CFLAGS, buf, sizeof(buf));
> + T_quiet_eq_int(r, len1);
> +
> + r = confstr(_CS_PATH, buf, sizeof(buf));
> + T_quiet_psx_success(r);
> +
> +}
> +
> +static rtems_task Init(rtems_task_argument ignored)
> +{
> + rtems_test_run(ignored, TEST_STATE);
> +}
> +#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
> +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
> +
> +#define CONFIGURE_MAXIMUM_TASKS 1
> +
> +#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
> +
> +#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
> +#define CONFIGURE_INIT
> +
> +#include <rtems/confdefs.h>
> +/* end of file */
> diff --git a/testsuites/psxtests/psxconfstr/psxconfstr.doc
> b/testsuites/psxtests/psxconfstr/psxconfstr.doc
> new file mode 100644
> index 0000000000..43501791b8
> --- /dev/null
> +++ b/testsuites/psxtests/psxconfstr/psxconfstr.doc
> @@ -0,0 +1,17 @@
> +# COPYRIGHT (c) 2020
> +# On-Line Applications Research Corporation (OAR).
> +#
> +# SPDX-License-Identifier: BSD-2-Clause
> +#
> +
> +This file describes the directives and concepts tested by this test set.
> +
> +test set name: psxconfstr
> +
> +Directives:
> + Confstr()
> +
> +Concepts:
> +
> ++ This test exercises the confstr method
> +
> diff --git a/testsuites/psxtests/psxconfstr/psxconfstr.scn
> b/testsuites/psxtests/psxconfstr/psxconfstr.scn
> new file mode 100644
> index 0000000000..cb9e49dc72
> --- /dev/null
> +++ b/testsuites/psxtests/psxconfstr/psxconfstr.scn
> @@ -0,0 +1,4 @@
> +*** BEGIN OF TEST PSXCONFSTR ***
> +
> +*** END OF TEST PSXCONFSTR ***
> +
> --
> 2.27.0
>
>
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