From 574cd83b5dc1a6c5c6d215c5c07434afa0e73ce4 Mon Sep 17 00:00:00 2001 From: Eshan dhawan Date: Sun, 15 Aug 2021 13:28:15 +0530 Subject: confstr() support for RTEMS Closes #3373 confstr() style update Signed-off-by: Eshan Dhawan --- cpukit/Makefile.am | 1 + cpukit/posix/src/confstr.c | 127 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 128 insertions(+) create mode 100644 cpukit/posix/src/confstr.c (limited to 'cpukit') diff --git a/cpukit/Makefile.am b/cpukit/Makefile.am index dfa5fb2412..1afac8f7dc 100644 --- a/cpukit/Makefile.am +++ b/cpukit/Makefile.am @@ -509,6 +509,7 @@ 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..bf27ca3c38 --- /dev/null +++ b/cpukit/posix/src/confstr.c @@ -0,0 +1,127 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * @brief Implementation 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. + */ + + +#include +#include +#include +#include +#include +#include + +/* 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); + 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); + } +} -- cgit v1.2.3