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118c07e02e
This incorporates: 2020-06-27 getloadavg: don’t depend on fopen-gnu 2020-06-25 c-dtoastr, c-ldtoastr: new modules 2020-06-01 getloadavg: fix double-increment bug 2020-06-01 tempname: use getrandom, not getentropy 2020-05-31 tempname: merge from glibc and coreutils 2020-05-31 getentropy: work around a macOS and Solaris problem 2020-05-31 fnmatch: merge from glibc 2020-05-30 unistd: remove conflicting declaration of getrandom 2020-05-30 don't assume that UNICODE is not defined 2020-05-29 fix compilation error on native Windows 2020-05-28 avoid dynamic loading of Windows API functions when possible 2020-05-28 at-internal: make more robust in multithreaded applications 2020-05-28 getloadavg: make more robust in multithreaded applications 2020-05-27 getloadavg: make more robust in multithreaded applications 2020-05-26 count-one-bits: fix MSVC specific code 2020-05-25 getentropy, getrandom: new modules 2020-05-24 open, openat: really support O_CLOEXEC 2020-05-23 verify: document ‘assume’ better 2020-05-21 regex: configure better with "clang -fsanitize=leak" 2020-05-21 memmem: configure better with "clang -fsanitize=undefined" 2020-05-19 ftoastr: fix ifndef typo * build-aux/config.guess, build-aux/config.sub, doc/misc/texinfo.tex: * lib/count-one-bits.h, lib/ftoastr.c, lib/ftoastr.h: * lib/getloadavg.c, lib/gettimeofday.c, lib/libc-config.h: * lib/open.c, lib/openat-proc.c, lib/tempname.c, lib/tempname.h: * lib/unistd.in.h, lib/verify.h, m4/memmem.m4, m4/regex.m4: * m4/unistd_h.m4: Update from Gnulib. * lib/getrandom.c, lib/sys_random.in.h: * m4/getrandom.m4, m4/sys_random_h.m4: New files, copied from Gnulib. * lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate.
93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/* Substitute for <sys/random.h>.
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Copyright (C) 2020 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>. */
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# if __GNUC__ >= 3
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@PRAGMA_SYSTEM_HEADER@
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# endif
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@PRAGMA_COLUMNS@
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#ifndef _@GUARD_PREFIX@_SYS_RANDOM_H
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#if @HAVE_SYS_RANDOM_H@
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/* On Mac OS X 10.5, <sys/random.h> assumes prior inclusion of <sys/types.h>.
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On Max OS X 10.13, <sys/random.h> assumes prior inclusion of a file that
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includes <Availability.h>, such as <stdlib.h> or <unistd.h>. */
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# if defined __APPLE__ && defined __MACH__ /* Mac OS X */
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# include <sys/types.h>
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# include <stdlib.h>
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# endif
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/* The include_next requires a split double-inclusion guard. */
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# @INCLUDE_NEXT@ @NEXT_SYS_RANDOM_H@
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#endif
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#ifndef _@GUARD_PREFIX@_SYS_RANDOM_H
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#define _@GUARD_PREFIX@_SYS_RANDOM_H
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#include <sys/types.h>
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/* Define the GRND_* constants. */
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#ifndef GRND_NONBLOCK
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# define GRND_NONBLOCK 1
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# define GRND_RANDOM 2
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#endif
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/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
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/* The definition of _GL_ARG_NONNULL is copied here. */
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/* The definition of _GL_WARN_ON_USE is copied here. */
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/* Declare overridden functions. */
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#if @GNULIB_GETRANDOM@
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/* Fill a buffer with random bytes. */
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# if @REPLACE_GETRANDOM@
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# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
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# undef getrandom
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# define getrandom rpl_getrandom
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# endif
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_GL_FUNCDECL_RPL (getrandom, ssize_t,
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(void *buffer, size_t length, unsigned int flags)
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_GL_ARG_NONNULL ((1)));
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_GL_CXXALIAS_RPL (getrandom, ssize_t,
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(void *buffer, size_t length, unsigned int flags));
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# else
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# if !@HAVE_GETRANDOM@
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_GL_FUNCDECL_SYS (getrandom, ssize_t,
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(void *buffer, size_t length, unsigned int flags)
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_GL_ARG_NONNULL ((1)));
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# endif
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_GL_CXXALIAS_SYS (getrandom, ssize_t,
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(void *buffer, size_t length, unsigned int flags));
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# endif
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_GL_CXXALIASWARN (getrandom);
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#elif defined GNULIB_POSIXCHECK
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# undef getrandom
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# if HAVE_RAW_DECL_GETRANDOM
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_GL_WARN_ON_USE (getrandom, "getrandom is unportable - "
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"use gnulib module getrandom for portability");
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# endif
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#endif
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#endif /* _@GUARD_PREFIX@_SYS_RANDOM_H */
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#endif /* _@GUARD_PREFIX@_SYS_RANDOM_H */
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