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* bx: Small platform detection/usage improvements * Use BX_PLATFORM_POSIX where needed The semaphone implementation already uses BX_PLATFORM_POSIX to include <pthread.h> on all the POSIX platforms; do the same also in other places for consistency. This is done also for <sched.h>, which is a POSIX API, and sched_yield() from it is already guarded by BX_PLATFORM_POSIX. * Drop support for GNU libc older than 2.12 glibc 2.12 was released on 2010, and at this point any supported Linux distro has that version or way greather than that. From bkaradzic/bx@b59b7debd3 * bx: fix <pthread/pthread.h> include on Hurd <pthread/pthread.h> does not exist, the standard <pthread.h> does exist so switch to it. * osd/modules/file: use dirent::d_type on any GNU libc platform This BSD extension is provided by GNU libc, so enable its usage with that C library. * osd/modules/file: use <pty.h> on any GNU libc platform openpty() is implemented by GNU libc for all the OSes, so include <pty.h> when using that C library. * osd/modules/file: cast dirent::d_name to const char* before using it According to POSIX [1], the type of dirent::d_name is loosely defined as "char d_name[]", as array with an undefined size. In particular, few ways are seen in the wild: (a) "char d_name[size]", i.e. as proper array with a full size (b) "char d_name[1]"/"char d_name[0]", i.e. as C flexible arrays Regardless of its type, dirent::d_name is used as if it was a classic const char *, i.e. as pointer to a null-terminated string. util::string_format() uses C++ templates to collect all the arguments, and thus it will use the actual type of dirent::d_name. In case of (a) there is no issue, however for (b) the result is that only the first character is used. To ensure that dirent::d_name is fully used, explicitly cast it to const char * before passing it to util::string_format(), so the whole string is used. [1] https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/dirent.h.html |
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bx
Base library.
Contact
Project page
https://github.com/bkaradzic/bx
License (BSD 2-clause)
Copyright 2010-2022 Branimir Karadzic
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 HOLDER 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.