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-rwxr-xr-xbuild-aux/config.guess12
-rwxr-xr-xbuild-aux/config.sub101
-rw-r--r--doc/misc/texinfo.tex270
-rw-r--r--lib/count-one-bits.h85
-rw-r--r--lib/ftoastr.c23
-rw-r--r--lib/ftoastr.h7
-rw-r--r--lib/getloadavg.c45
-rw-r--r--lib/getrandom.c178
-rw-r--r--lib/gettimeofday.c18
-rw-r--r--lib/gnulib.mk.in64
-rw-r--r--lib/libc-config.h3
-rw-r--r--lib/open.c2
-rw-r--r--lib/openat-proc.c5
-rw-r--r--lib/sys_random.in.h92
-rw-r--r--lib/tempname.c280
-rw-r--r--lib/tempname.h7
-rw-r--r--lib/unistd.in.h27
-rw-r--r--lib/verify.h20
-rw-r--r--m4/getrandom.m464
-rw-r--r--m4/gnulib-comp.m455
-rw-r--r--m4/memmem.m44
-rw-r--r--m4/regex.m492
-rw-r--r--m4/sys_random_h.m452
-rw-r--r--m4/unistd_h.m47
24 files changed, 1089 insertions, 424 deletions
diff --git a/build-aux/config.guess b/build-aux/config.guess
index 11fda528bc7..92bfc33e296 100755
--- a/build-aux/config.guess
+++ b/build-aux/config.guess
@@ -1095,7 +1095,17 @@ EOF
echo "$UNAME_MACHINE"-dec-linux-"$LIBC"
exit ;;
x86_64:Linux:*:*)
- echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
+ set_cc_for_build
+ LIBCABI=$LIBC
+ if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
+ if (echo '#ifdef __ILP32__'; echo IS_X32; echo '#endif') | \
+ (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+ grep IS_X32 >/dev/null
+ then
+ LIBCABI="$LIBC"x32
+ fi
+ fi
+ echo "$UNAME_MACHINE"-pc-linux-"$LIBCABI"
exit ;;
xtensa*:Linux:*:*)
echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
diff --git a/build-aux/config.sub b/build-aux/config.sub
index 973a2980ac3..186616ac7a9 100755
--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -2,7 +2,7 @@
# Configuration validation subroutine script.
# Copyright 1992-2020 Free Software Foundation, Inc.
-timestamp='2020-05-04'
+timestamp='2020-06-20'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
@@ -477,6 +477,10 @@ case $1 in
basic_machine=hppa-unknown
os=linux
;;
+ psp)
+ basic_machine=mipsallegrexel-sony
+ os=psp
+ ;;
pw32)
basic_machine=i586-unknown
os=pw32
@@ -1138,13 +1142,9 @@ case $cpu-$vendor in
cpu=nsx
vendor=tandem
;;
- s390-*)
- cpu=s390
- vendor=ibm
- ;;
- s390x-*)
- cpu=s390x
- vendor=ibm
+ mipsallegrexel-sony)
+ cpu=mipsallegrexel
+ vendor=sony
;;
tile*-*)
os=${os:-linux-gnu}
@@ -1229,6 +1229,7 @@ case $cpu-$vendor in
| pyramid \
| riscv | riscv32 | riscv64 \
| rl78 | romp | rs6000 | rx \
+ | s390 | s390x \
| score \
| sh | shl \
| sh[1234] | sh[24]a | sh[24]ae[lb] | sh[23]e | she[lb] | sh[lb]e \
@@ -1334,41 +1335,6 @@ case $os in
psos*)
os=psos
;;
- # Now accept the basic system types.
- # The portable systems comes first.
- # Each alternative MUST end in a * to match a version number.
- # sysv* is not here because it comes later, after sysvr4.
- gnu* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
- | *vms* | esix* | aix* | cnk* | sunos | sunos[34]*\
- | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
- | sym* | kopensolaris* | plan9* \
- | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
- | aos* | aros* | cloudabi* | sortix* | twizzler* \
- | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
- | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
- | knetbsd* | mirbsd* | netbsd* \
- | bitrig* | openbsd* | solidbsd* | libertybsd* | os108* \
- | ekkobsd* | kfreebsd* | freebsd* | riscix* | lynxos* \
- | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
- | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
- | udi* | eabi* | lites* | ieee* | go32* | aux* | hcos* \
- | chorusrdb* | cegcc* | glidix* \
- | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
- | midipix* | mingw32* | mingw64* | linux-gnu* | linux-android* \
- | linux-newlib* | linux-musl* | linux-uclibc* \
- | uxpv* | beos* | mpeix* | udk* | moxiebox* \
- | interix* | uwin* | mks* | rhapsody* | darwin* \
- | openstep* | oskit* | conix* | pw32* | nonstopux* \
- | storm-chaos* | tops10* | tenex* | tops20* | its* \
- | os2* | vos* | palmos* | uclinux* | nucleus* \
- | morphos* | superux* | rtmk* | windiss* \
- | powermax* | dnix* | nx6 | nx7 | sei* | dragonfly* \
- | skyos* | haiku* | rdos* | toppers* | drops* | es* \
- | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
- | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
- | nsk* | powerunix* | genode*)
- # Remember, each alternative MUST END IN *, to match a version number.
- ;;
qnx*)
case $cpu in
x86 | i*86)
@@ -1393,18 +1359,21 @@ case $os in
linux-dietlibc)
os=linux-dietlibc
;;
- linux*)
- os=`echo $os | sed -e 's|linux|linux-gnu|'`
- ;;
lynx*178)
os=lynxos178
;;
lynx*5)
os=lynxos5
;;
+ lynxos*)
+ # don't get caught up in next wildcard
+ ;;
lynx*)
os=lynxos
;;
+ mach)
+ # don't get caught up in next wildcard
+ ;;
mac*)
os=`echo "$os" | sed -e 's|mac|macos|'`
;;
@@ -1507,10 +1476,50 @@ case $os in
;;
ios)
;;
+ psp)
+ ;;
none)
;;
*-eabi)
;;
+ # Now accept the basic system types.
+ # The portable systems comes first.
+ # Each alternative MUST end in a * to match a version number.
+ # sysv* is not here because it comes later, after sysvr4.
+ gnu* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
+ | *vms* | esix* | aix* | cnk* | sunos | sunos[34]*\
+ | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
+ | sym* | kopensolaris* | plan9* \
+ | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
+ | aos* | aros* | cloudabi* | sortix* | twizzler* \
+ | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \
+ | clix* | riscos* | uniplus* | iris* | isc* | rtu* | xenix* \
+ | knetbsd* | mirbsd* | netbsd* \
+ | bitrig* | openbsd* | solidbsd* | libertybsd* | os108* \
+ | ekkobsd* | kfreebsd* | freebsd* | riscix* | lynxos* \
+ | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
+ | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
+ | udi* | eabi* | lites* | ieee* | go32* | aux* | hcos* \
+ | chorusrdb* | cegcc* | glidix* \
+ | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
+ | midipix* | mingw32* | mingw64* | linux-gnu* | linux-android* \
+ | linux-newlib* | linux-musl* | linux-uclibc* \
+ | uxpv* | beos* | mpeix* | udk* | moxiebox* \
+ | interix* | uwin* | mks* | rhapsody* | darwin* \
+ | openstep* | oskit* | conix* | pw32* | nonstopux* \
+ | storm-chaos* | tops10* | tenex* | tops20* | its* \
+ | os2* | vos* | palmos* | uclinux* | nucleus* \
+ | morphos* | superux* | rtmk* | windiss* \
+ | powermax* | dnix* | nx6 | nx7 | sei* | dragonfly* \
+ | skyos* | haiku* | rdos* | toppers* | drops* | es* \
+ | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
+ | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
+ | nsk* | powerunix* | genode*)
+ # Remember, each alternative MUST END IN *, to match a version number.
+ ;;
+ linux*)
+ os=`echo $os | sed -e 's|linux|linux-gnu|'`
+ ;;
*)
echo Invalid configuration \`"$1"\': system \`"$os"\' not recognized 1>&2
exit 1
diff --git a/doc/misc/texinfo.tex b/doc/misc/texinfo.tex
index 2b7b31b34a9..d3136db38aa 100644
--- a/doc/misc/texinfo.tex
+++ b/doc/misc/texinfo.tex
@@ -3,7 +3,7 @@
% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
-\def\texinfoversion{2020-05-07.17}
+\def\texinfoversion{2020-05-22.11}
%
% Copyright 1985, 1986, 1988, 1990-2020 Free Software Foundation, Inc.
%
@@ -33,7 +33,7 @@
% The texinfo.tex in any given distribution could well be out
% of date, so if that's what you're using, please check.
%
-% Send bug reports to bug-texinfo@gnu.org. Please include including a
+% Send bug reports to bug-texinfo@gnu.org. Please include a
% complete document in each bug report with which we can reproduce the
% problem. Patches are, of course, greatly appreciated.
%
@@ -408,7 +408,8 @@
\ifr@ggedbottom \kern-\dimen@ \vfil \fi}
}
-% Check if we are on the first page of a chapter.
+% Check if we are on the first page of a chapter. Used for printing headings.
+\newif\ifchapterpage
\def\checkchapterpage{%
% Get the chapter that was current at the end of the last page
\ifcase1\the\savedtopmark\fi
@@ -418,12 +419,9 @@
\let\curchaptername\thischaptername
%
\ifx\curchaptername\prevchaptername
- \let\thischapterheading\thischapter
+ \chapterpagefalse
\else
- % \thischapterheading is the same as \thischapter except it is blank
- % for the first page of a chapter. This is to prevent the chapter name
- % being shown twice.
- \def\thischapterheading{}%
+ \chapterpagetrue
\fi
}
@@ -1013,7 +1011,7 @@ where each line of input produces a line of output.}
\let\setfilename=\comment
% @bye.
-\outer\def\bye{\pagealignmacro\tracingstats=1\ptexend}
+\outer\def\bye{\chappager\pagelabels\tracingstats=1\ptexend}
\message{pdf,}
@@ -1140,6 +1138,45 @@ where each line of input produces a line of output.}
\fi
+% Output page labels information.
+% See PDF reference v.1.7 p.594, section 8.3.1.
+\ifpdf
+\def\pagelabels{%
+ \def\title{0 << /P (T-) /S /D >>}%
+ \edef\roman{\the\romancount << /S /r >>}%
+ \edef\arabic{\the\arabiccount << /S /D >>}%
+ %
+ % Page label ranges must be increasing. Remove any duplicates.
+ % (There is a slight chance of this being wrong if e.g. there is
+ % a @contents but no @titlepage, etc.)
+ %
+ \ifnum\romancount=0 \def\roman{}\fi
+ \ifnum\arabiccount=0 \def\title{}%
+ \else
+ \ifnum\romancount=\arabiccount \def\roman{}\fi
+ \fi
+ %
+ \ifnum\romancount<\arabiccount
+ \pdfcatalog{/PageLabels << /Nums [\title \roman \arabic ] >> }\relax
+ \else
+ \pdfcatalog{/PageLabels << /Nums [\title \arabic \roman ] >> }\relax
+ \fi
+}
+\else
+ \let\pagelabels\relax
+\fi
+
+\newcount\pagecount \pagecount=0
+\newcount\romancount \romancount=0
+\newcount\arabiccount \arabiccount=0
+\ifpdf
+ \let\ptxadvancepageno\advancepageno
+ \def\advancepageno{%
+ \ptxadvancepageno\global\advance\pagecount by 1
+ }
+\fi
+
+
% PDF uses PostScript string constants for the names of xref targets,
% for display in the outlines, and in other places. Thus, we have to
% double any backslashes. Otherwise, a name like "\node" will be
@@ -3806,12 +3843,19 @@ end
\newtoks\evenheadline % headline on even pages
\newtoks\oddheadline % headline on odd pages
+\newtoks\evenchapheadline% headline on even pages with a new chapter
+\newtoks\oddchapheadline % headline on odd pages with a new chapter
\newtoks\evenfootline % footline on even pages
\newtoks\oddfootline % footline on odd pages
% Now make \makeheadline and \makefootline in Plain TeX use those variables
-\headline={{\textfonts\rm \ifodd\pageno \the\oddheadline
- \else \the\evenheadline \fi}}
+\headline={{\textfonts\rm
+ \ifchapterpage
+ \ifodd\pageno\the\oddchapheadline\else\the\evenchapheadline\fi
+ \else
+ \ifodd\pageno\the\oddheadline\else\the\evenheadline\fi
+ \fi}}
+
\footline={{\textfonts\rm \ifodd\pageno \the\oddfootline
\else \the\evenfootline \fi}\HEADINGShook}
\let\HEADINGShook=\relax
@@ -3827,12 +3871,14 @@ end
\def\evenheading{\parsearg\evenheadingxxx}
\def\evenheadingxxx #1{\evenheadingyyy #1\|\|\|\|\finish}
\def\evenheadingyyy #1\|#2\|#3\|#4\finish{%
-\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+ \global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
+ \global\evenchapheadline=\evenheadline}
\def\oddheading{\parsearg\oddheadingxxx}
\def\oddheadingxxx #1{\oddheadingyyy #1\|\|\|\|\finish}
\def\oddheadingyyy #1\|#2\|#3\|#4\finish{%
-\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
+ \global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}%
+ \global\oddchapheadline=\oddheadline}
\parseargdef\everyheading{\oddheadingxxx{#1}\evenheadingxxx{#1}}%
@@ -3899,37 +3945,34 @@ end
\parseargdef\headings{\csname HEADINGS#1\endcsname}
\def\headingsoff{% non-global headings elimination
- \evenheadline={\hfil}\evenfootline={\hfil}%
- \oddheadline={\hfil}\oddfootline={\hfil}%
+ \evenheadline={\hfil}\evenfootline={\hfil}\evenchapheadline={\hfil}%
+ \oddheadline={\hfil}\oddfootline={\hfil}\oddchapheadline={\hfil}%
}
\def\HEADINGSoff{{\globaldefs=1 \headingsoff}} % global setting
\HEADINGSoff % it's the default
% When we turn headings on, set the page number to 1.
+\def\pageone{
+ \global\pageno=1
+ \global\arabiccount = \pagecount
+}
+
% For double-sided printing, put current file name in lower left corner,
% chapter name on inside top of right hand pages, document
% title on inside top of left hand pages, and page numbers on outside top
% edge of all pages.
\def\HEADINGSdouble{%
-\global\pageno=1
-\global\evenfootline={\hfil}
-\global\oddfootline={\hfil}
-\global\evenheadline={\line{\folio\hfil\thistitle}}
-\global\oddheadline={\line{\thischapterheading\hfil\folio}}
-\global\let\contentsalignmacro = \chapoddpage
+\pageone
+\HEADINGSdoublex
}
\let\contentsalignmacro = \chappager
% For single-sided printing, chapter title goes across top left of page,
% page number on top right.
\def\HEADINGSsingle{%
-\global\pageno=1
-\global\evenfootline={\hfil}
-\global\oddfootline={\hfil}
-\global\evenheadline={\line{\thischapterheading\hfil\folio}}
-\global\oddheadline={\line{\thischapterheading\hfil\folio}}
-\global\let\contentsalignmacro = \chappager
+\pageone
+\HEADINGSsinglex
}
\def\HEADINGSon{\HEADINGSdouble}
@@ -3939,7 +3982,9 @@ end
\global\evenfootline={\hfil}
\global\oddfootline={\hfil}
\global\evenheadline={\line{\folio\hfil\thistitle}}
-\global\oddheadline={\line{\thischapterheading\hfil\folio}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\evenchapheadline={\line{\folio\hfil}}
+\global\oddchapheadline={\line{\hfil\folio}}
\global\let\contentsalignmacro = \chapoddpage
}
@@ -3947,8 +3992,22 @@ end
\def\HEADINGSsinglex{%
\global\evenfootline={\hfil}
\global\oddfootline={\hfil}
-\global\evenheadline={\line{\thischapterheading\hfil\folio}}
-\global\oddheadline={\line{\thischapterheading\hfil\folio}}
+\global\evenheadline={\line{\thischapter\hfil\folio}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\evenchapheadline={\line{\hfil\folio}}
+\global\oddchapheadline={\line{\hfil\folio}}
+\global\let\contentsalignmacro = \chappager
+}
+
+% for @setchapternewpage off
+\def\HEADINGSsinglechapoff{%
+\pageone
+\global\evenfootline={\hfil}
+\global\oddfootline={\hfil}
+\global\evenheadline={\line{\thischapter\hfil\folio}}
+\global\oddheadline={\line{\thischapter\hfil\folio}}
+\global\evenchapheadline=\evenheadline
+\global\oddchapheadline=\oddheadline
\global\let\contentsalignmacro = \chappager
}
@@ -5139,64 +5198,66 @@ end
\let\lbracechar\{%
\let\rbracechar\}%
%
+ %
+ \let\do\indexnofontsdef
+ %
% Non-English letters.
- \def\AA{AA}%
- \def\AE{AE}%
- \def\DH{DZZ}%
- \def\L{L}%
- \def\OE{OE}%
- \def\O{O}%
- \def\TH{TH}%
- \def\aa{aa}%
- \def\ae{ae}%
- \def\dh{dzz}%
- \def\exclamdown{!}%
- \def\l{l}%
- \def\oe{oe}%
- \def\ordf{a}%
- \def\ordm{o}%
- \def\o{o}%
- \def\questiondown{?}%
- \def\ss{ss}%
- \def\th{th}%
- %
- \def\LaTeX{LaTeX}%
- \def\TeX{TeX}%
- %
- % Assorted special characters. \defglyph gives the control sequence a
- % definition that removes the {} that follows its use.
- \defglyph\atchar{@}%
- \defglyph\arrow{->}%
- \defglyph\bullet{bullet}%
- \defglyph\comma{,}%
- \defglyph\copyright{copyright}%
- \defglyph\dots{...}%
- \defglyph\enddots{...}%
- \defglyph\equiv{==}%
- \defglyph\error{error}%
- \defglyph\euro{euro}%
- \defglyph\expansion{==>}%
- \defglyph\geq{>=}%
- \defglyph\guillemetleft{<<}%
- \defglyph\guillemetright{>>}%
- \defglyph\guilsinglleft{<}%
- \defglyph\guilsinglright{>}%
- \defglyph\leq{<=}%
- \defglyph\lbracechar{\{}%
- \defglyph\minus{-}%
- \defglyph\point{.}%
- \defglyph\pounds{pounds}%
- \defglyph\print{-|}%
- \defglyph\quotedblbase{"}%
- \defglyph\quotedblleft{"}%
- \defglyph\quotedblright{"}%
- \defglyph\quoteleft{`}%
- \defglyph\quoteright{'}%
- \defglyph\quotesinglbase{,}%
- \defglyph\rbracechar{\}}%
- \defglyph\registeredsymbol{R}%
- \defglyph\result{=>}%
- \defglyph\textdegree{o}%
+ \do\AA{AA}%
+ \do\AE{AE}%
+ \do\DH{DZZ}%
+ \do\L{L}%
+ \do\OE{OE}%
+ \do\O{O}%
+ \do\TH{TH}%
+ \do\aa{aa}%
+ \do\ae{ae}%
+ \do\dh{dzz}%
+ \do\exclamdown{!}%
+ \do\l{l}%
+ \do\oe{oe}%
+ \do\ordf{a}%
+ \do\ordm{o}%
+ \do\o{o}%
+ \do\questiondown{?}%
+ \do\ss{ss}%
+ \do\th{th}%
+ %
+ \do\LaTeX{LaTeX}%
+ \do\TeX{TeX}%
+ %
+ % Assorted special characters.
+ \do\atchar{@}%
+ \do\arrow{->}%
+ \do\bullet{bullet}%
+ \do\comma{,}%
+ \do\copyright{copyright}%
+ \do\dots{...}%
+ \do\enddots{...}%
+ \do\equiv{==}%
+ \do\error{error}%
+ \do\euro{euro}%
+ \do\expansion{==>}%
+ \do\geq{>=}%
+ \do\guillemetleft{<<}%
+ \do\guillemetright{>>}%
+ \do\guilsinglleft{<}%
+ \do\guilsinglright{>}%
+ \do\leq{<=}%
+ \do\lbracechar{\{}%
+ \do\minus{-}%
+ \do\point{.}%
+ \do\pounds{pounds}%
+ \do\print{-|}%
+ \do\quotedblbase{"}%
+ \do\quotedblleft{"}%
+ \do\quotedblright{"}%
+ \do\quoteleft{`}%
+ \do\quoteright{'}%
+ \do\quotesinglbase{,}%
+ \do\rbracechar{\}}%
+ \do\registeredsymbol{R}%
+ \do\result{=>}%
+ \do\textdegree{o}%
%
% We need to get rid of all macros, leaving only the arguments (if present).
% Of course this is not nearly correct, but it is the best we can do for now.
@@ -5211,7 +5272,10 @@ end
\macrolist
\let\value\indexnofontsvalue
}
-\def\defglyph#1#2{\def#1##1{#2}} % see above
+
+% Give the control sequence a definition that removes the {} that follows
+% its use, e.g. @AA{} -> AA
+\def\indexnofontsdef#1#2{\def#1##1{#2}}%
@@ -6423,18 +6487,16 @@ might help (with 'rm \jobname.?? \jobname.??s')%
\def\CHAPPAGoff{%
\global\let\contentsalignmacro = \chappager
\global\let\pchapsepmacro=\chapbreak
-\global\let\pagealignmacro=\chappager}
+\global\def\HEADINGSon{\HEADINGSsinglechapoff}}
\def\CHAPPAGon{%
\global\let\contentsalignmacro = \chappager
\global\let\pchapsepmacro=\chappager
-\global\let\pagealignmacro=\chappager
\global\def\HEADINGSon{\HEADINGSsingle}}
\def\CHAPPAGodd{%
\global\let\contentsalignmacro = \chapoddpage
\global\let\pchapsepmacro=\chapoddpage
-\global\let\pagealignmacro=\chapoddpage
\global\def\HEADINGSon{\HEADINGSdouble}}
\CHAPPAGon
@@ -6799,9 +6861,7 @@ might help (with 'rm \jobname.?? \jobname.??s')%
%
\def\startcontents#1{%
% If @setchapternewpage on, and @headings double, the contents should
- % start on an odd page, unlike chapters. Thus, we maintain
- % \contentsalignmacro in parallel with \pagealignmacro.
- % From: Torbjorn Granlund <tege@matematik.su.se>
+ % start on an odd page, unlike chapters.
\contentsalignmacro
\immediate\closeout\tocfile
%
@@ -6816,6 +6876,9 @@ might help (with 'rm \jobname.?? \jobname.??s')%
%
% Roman numerals for page numbers.
\ifnum \pageno>0 \global\pageno = \lastnegativepageno \fi
+ \def\thistitle{}% no title in double-sided headings
+ % Record where the Roman numerals started.
+ \ifnum\romancount=0 \global\romancount=\pagecount \fi
}
% redefined for the two-volume lispref. We always output on
@@ -6838,8 +6901,7 @@ might help (with 'rm \jobname.?? \jobname.??s')%
\fi
\closein 1
\endgroup
- \lastnegativepageno = \pageno
- \global\pageno = \savepageno
+ \contentsendroman
}
% And just the chapters.
@@ -6874,10 +6936,20 @@ might help (with 'rm \jobname.?? \jobname.??s')%
\vfill \eject
\contentsalignmacro % in case @setchapternewpage odd is in effect
\endgroup
+ \contentsendroman
+}
+\let\shortcontents = \summarycontents
+
+% Get ready to use Arabic numerals again
+\def\contentsendroman{%
\lastnegativepageno = \pageno
\global\pageno = \savepageno
+ %
+ % If \romancount > \arabiccount, the contents are at the end of the
+ % document. Otherwise, advance where the Arabic numerals start for
+ % the page numbers.
+ \ifnum\romancount>\arabiccount\else\global\arabiccount=\pagecount\fi
}
-\let\shortcontents = \summarycontents
% Typeset the label for a chapter or appendix for the short contents.
% The arg is, e.g., `A' for an appendix, or `3' for a chapter.
@@ -7559,7 +7631,7 @@ might help (with 'rm \jobname.?? \jobname.??s')%
\wlog{texinfo.tex: doing @verbatiminclude of #1^^J}%
\edef\tmp{\noexpand\input #1 }
\expandafter
- }\tmp
+ }\expandafter\starttabbox\tmp\egroup
\afterenvbreak
}%
}
@@ -10725,6 +10797,8 @@ directory should work if nowhere else does.}
\DeclareUnicodeCharacter{0233}{\=y}%
\DeclareUnicodeCharacter{0237}{\dotless{j}}%
%
+ \DeclareUnicodeCharacter{02BC}{'}%
+ %
\DeclareUnicodeCharacter{02DB}{\ogonek{ }}%
%
% Greek letters upper case
diff --git a/lib/count-one-bits.h b/lib/count-one-bits.h
index eea56d85910..6c5b75708cf 100644
--- a/lib/count-one-bits.h
+++ b/lib/count-one-bits.h
@@ -34,29 +34,13 @@ _GL_INLINE_HEADER_BEGIN
extern "C" {
#endif
-/* Expand to code that computes the number of 1-bits of the local
- variable 'x' of type TYPE (an unsigned integer type) and return it
- from the current function. */
-#define COUNT_ONE_BITS_GENERIC(TYPE) \
- do \
- { \
- int count = 0; \
- int bits; \
- for (bits = 0; bits < sizeof (TYPE) * CHAR_BIT; bits += 32) \
- { \
- count += count_one_bits_32 (x); \
- x = x >> 31 >> 1; \
- } \
- return count; \
- } \
- while (0)
-
-/* Assuming the GCC builtin is BUILTIN and the MSC builtin is MSC_BUILTIN,
+/* Assuming the GCC builtin is GCC_BUILTIN and the MSC builtin is MSC_BUILTIN,
expand to code that computes the number of 1-bits of the local
variable 'x' of type TYPE (an unsigned integer type) and return it
from the current function. */
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
-# define COUNT_ONE_BITS(BUILTIN, MSC_BUILTIN, TYPE) return BUILTIN (x)
+# define COUNT_ONE_BITS(GCC_BUILTIN, MSC_BUILTIN, TYPE) \
+ return GCC_BUILTIN (x)
#else
/* Compute and return the number of 1-bits set in the least
@@ -71,14 +55,46 @@ count_one_bits_32 (unsigned int x)
return (x >> 8) + (x & 0x00ff);
}
+/* Expand to code that computes the number of 1-bits of the local
+ variable 'x' of type TYPE (an unsigned integer type) and return it
+ from the current function. */
+# define COUNT_ONE_BITS_GENERIC(TYPE) \
+ do \
+ { \
+ int count = 0; \
+ int bits; \
+ for (bits = 0; bits < sizeof (TYPE) * CHAR_BIT; bits += 32) \
+ { \
+ count += count_one_bits_32 (x); \
+ x = x >> 31 >> 1; \
+ } \
+ return count; \
+ } \
+ while (0)
+
# if 1500 <= _MSC_VER && (defined _M_IX86 || defined _M_X64)
/* While gcc falls back to its own generic code if the machine
on which it's running doesn't support popcount, with Microsoft's
compiler we need to detect and fallback ourselves. */
-# pragma intrinsic __cpuid
-# pragma intrinsic __popcnt
-# pragma intrinsic __popcnt64
+
+# if 0
+# include <intrin.h>
+# else
+ /* Don't pollute the namespace with too many MSVC intrinsics. */
+# pragma intrinsic (__cpuid)
+# pragma intrinsic (__popcnt)
+# if defined _M_X64
+# pragma intrinsic (__popcnt64)
+# endif
+# endif
+
+# if !defined _M_X64
+static inline __popcnt64 (unsigned long long x)
+{
+ return __popcnt ((unsigned int) (x >> 32)) + __popcnt ((unsigned int) x);
+}
+# endif
/* Return nonzero if popcount is supported. */
@@ -90,25 +106,30 @@ popcount_supported (void)
{
if (popcount_support < 0)
{
+ /* Do as described in
+ <https://docs.microsoft.com/en-us/cpp/intrinsics/popcnt16-popcnt-popcnt64> */
int cpu_info[4];
__cpuid (cpu_info, 1);
- popcount_support = (cpu_info[2] >> 23) & 1; /* See MSDN. */
+ popcount_support = (cpu_info[2] >> 23) & 1;
}
return popcount_support;
}
-# define COUNT_ONE_BITS(BUILTIN, MSC_BUILTIN, TYPE) \
- do \
- { \
- if (popcount_supported ()) \
- return MSC_BUILTIN (x); \
- else \
- COUNT_ONE_BITS_GENERIC (TYPE); \
- } \
+# define COUNT_ONE_BITS(GCC_BUILTIN, MSC_BUILTIN, TYPE) \
+ do \
+ { \
+ if (popcount_supported ()) \
+ return MSC_BUILTIN (x); \
+ else \
+ COUNT_ONE_BITS_GENERIC (TYPE); \
+ } \
while (0)
+
# else
-# define COUNT_ONE_BITS(BUILTIN, MSC_BUILTIN, TYPE) \
+
+# define COUNT_ONE_BITS(GCC_BUILTIN, MSC_BUILTIN, TYPE) \
COUNT_ONE_BITS_GENERIC (TYPE)
+
# endif
#endif
diff --git a/lib/ftoastr.c b/lib/ftoastr.c
index 7a7d4113c22..47a83152e3f 100644
--- a/lib/ftoastr.c
+++ b/lib/ftoastr.c
@@ -33,20 +33,28 @@
#include <stdio.h>
#include <stdlib.h>
+#ifdef C_LOCALE
+# include "c-snprintf.h"
+# include "c-strtod.h"
+# define PREFIX(name) c_ ## name
+#else
+# define PREFIX(name) name
+#endif
+
#if LENGTH == 3
# define FLOAT long double
# define FLOAT_DIG LDBL_DIG
# define FLOAT_MIN LDBL_MIN
# define FLOAT_PREC_BOUND _GL_LDBL_PREC_BOUND
-# define FTOASTR ldtoastr
+# define FTOASTR PREFIX (ldtoastr)
# define PROMOTED_FLOAT long double
-# define STRTOF strtold
+# define STRTOF PREFIX (strtold)
#elif LENGTH == 2
# define FLOAT double
# define FLOAT_DIG DBL_DIG
# define FLOAT_MIN DBL_MIN
# define FLOAT_PREC_BOUND _GL_DBL_PREC_BOUND
-# define FTOASTR dtoastr
+# define FTOASTR PREFIX (dtoastr)
# define PROMOTED_FLOAT double
#else
# define LENGTH 1
@@ -54,7 +62,7 @@
# define FLOAT_DIG FLT_DIG
# define FLOAT_MIN FLT_MIN
# define FLOAT_PREC_BOUND _GL_FLT_PREC_BOUND
-# define FTOASTR ftoastr
+# define FTOASTR PREFIX (ftoastr)
# define PROMOTED_FLOAT double
# if HAVE_STRTOF
# define STRTOF strtof
@@ -65,13 +73,16 @@
may generate one or two extra digits, but that's better than not
working at all. */
#ifndef STRTOF
-# define STRTOF strtod
+# define STRTOF PREFIX (strtod)
#endif
/* On hosts where it's not known that snprintf works, use sprintf to
implement the subset needed here. Typically BUFSIZE is big enough
and there's little or no performance hit. */
-#if ! GNULIB_SNPRINTF
+#ifdef C_LOCALE
+# undef snprintf
+# define snprintf c_snprintf
+#elif ! GNULIB_SNPRINTF
# undef snprintf
# define snprintf ftoastr_snprintf
static int
diff --git a/lib/ftoastr.h b/lib/ftoastr.h
index d945cc064a7..78b569f3d97 100644
--- a/lib/ftoastr.h
+++ b/lib/ftoastr.h
@@ -18,6 +18,7 @@
/* Written by Paul Eggert. */
#ifndef _GL_FTOASTR_H
+#define _GL_FTOASTR_H
#include "intprops.h"
#include <float.h>
@@ -48,6 +49,12 @@ int ftoastr (char *buf, size_t bufsize, int flags, int width, float x);
int dtoastr (char *buf, size_t bufsize, int flags, int width, double x);
int ldtoastr (char *buf, size_t bufsize, int flags, int width, long double x);
+/* The last two functions except that the formatting takes place in
+ the C locale. */
+int c_dtoastr (char *buf, size_t bufsize, int flags, int width, double x);
+int c_ldtoastr (char *buf, size_t bufsize, int flags, int width, long double x);
+
+
/* Flag values for ftoastr etc. These can be ORed together. */
enum
{
diff --git a/lib/getloadavg.c b/lib/getloadavg.c
index ebb6f5d5dba..468e2506709 100644
--- a/lib/getloadavg.c
+++ b/lib/getloadavg.c
@@ -512,7 +512,7 @@ getloadavg (double loadavg[], int nelem)
char const *ptr = ldavgbuf;
int fd, count, saved_errno;
- fd = open (LINUX_LDAV_FILE, O_RDONLY);
+ fd = open (LINUX_LDAV_FILE, O_RDONLY | O_CLOEXEC);
if (fd == -1)
return -1;
count = read (fd, ldavgbuf, sizeof ldavgbuf - 1);
@@ -550,7 +550,7 @@ getloadavg (double loadavg[], int nelem)
for (ptr++; '0' <= *ptr && *ptr <= '9'; ptr++)
numerator = 10 * numerator + (*ptr - '0'), denominator *= 10;
- loadavg[elem++] = numerator / denominator;
+ loadavg[elem] = numerator / denominator;
}
return elem;
@@ -567,15 +567,22 @@ getloadavg (double loadavg[], int nelem)
unsigned long int load_ave[3], scale;
int count;
- FILE *fp;
-
- fp = fopen (NETBSD_LDAV_FILE, "r");
- if (fp == NULL)
- return -1;
- count = fscanf (fp, "%lu %lu %lu %lu\n",
+ char readbuf[4 * INT_BUFSIZE_BOUND (unsigned long int) + 1];
+ int fd = open (NETBSD_LDAV_FILE, O_RDONLY | O_CLOEXEC);
+ if (fd < 0)
+ return fd;
+ int nread = read (fd, readbuf, sizeof readbuf - 1);
+ int err = errno;
+ close (fd);
+ if (nread < 0)
+ {
+ errno = err;
+ return -1;
+ }
+ readbuf[nread] = '\0';
+ count = sscanf (readbuf, "%lu %lu %lu %lu\n",
&load_ave[0], &load_ave[1], &load_ave[2],
&scale);
- (void) fclose (fp);
if (count != 4)
{
errno = ENOTSUP;
@@ -869,27 +876,11 @@ getloadavg (double loadavg[], int nelem)
if (!getloadavg_initialized)
{
# ifndef SUNOS_5
- /* Set the channel to close on exec, so it does not
- litter any child's descriptor table. */
-# ifndef O_CLOEXEC
-# define O_CLOEXEC 0
-# endif
int fd = open ("/dev/kmem", O_RDONLY | O_CLOEXEC);
if (0 <= fd)
{
-# if F_DUPFD_CLOEXEC
- if (fd <= STDERR_FILENO)
- {
- int fd1 = fcntl (fd, F_DUPFD_CLOEXEC, STDERR_FILENO + 1);
- close (fd);
- fd = fd1;
- }
-# endif
- if (0 <= fd)
- {
- channel = fd;
- getloadavg_initialized = true;
- }
+ channel = fd;
+ getloadavg_initialized = true;
}
# else /* SUNOS_5 */
/* We pass 0 for the kernel, corefile, and swapfile names
diff --git a/lib/getrandom.c b/lib/getrandom.c
new file mode 100644
index 00000000000..f0b3f535007
--- /dev/null
+++ b/lib/getrandom.c
@@ -0,0 +1,178 @@
+/* Obtain a series of random bytes.
+
+ Copyright 2020 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Paul Eggert. */
+
+#include <config.h>
+
+#include <sys/random.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <unistd.h>
+
+#if defined _WIN32 && ! defined __CYGWIN__
+# define WIN32_LEAN_AND_MEAN
+# include <windows.h>
+# include <bcrypt.h>
+# if !HAVE_LIB_BCRYPT
+# include <wincrypt.h>
+# ifndef CRYPT_VERIFY_CONTEXT
+# define CRYPT_VERIFY_CONTEXT 0xF0000000
+# endif
+# endif
+#endif
+
+#include "minmax.h"
+
+#if defined _WIN32 && ! defined __CYGWIN__
+
+/* Don't assume that UNICODE is not defined. */
+# undef LoadLibrary
+# define LoadLibrary LoadLibraryA
+# undef CryptAcquireContext
+# define CryptAcquireContext CryptAcquireContextA
+
+# if !HAVE_LIB_BCRYPT
+
+/* Avoid warnings from gcc -Wcast-function-type. */
+# define GetProcAddress \
+ (void *) GetProcAddress
+
+/* BCryptGenRandom with the BCRYPT_USE_SYSTEM_PREFERRED_RNG flag works only
+ starting with Windows 7. */
+typedef NTSTATUS (WINAPI * BCryptGenRandomFuncType) (BCRYPT_ALG_HANDLE, UCHAR *, ULONG, ULONG);
+static BCryptGenRandomFuncType BCryptGenRandomFunc = NULL;
+static BOOL initialized = FALSE;
+
+static void
+initialize (void)
+{
+ HMODULE bcrypt = LoadLibrary ("bcrypt.dll");
+ if (bcrypt != NULL)
+ {
+ BCryptGenRandomFunc =
+ (BCryptGenRandomFuncType) GetProcAddress (bcrypt, "BCryptGenRandom");
+ }
+ initialized = TRUE;
+}
+
+# else
+
+# define BCryptGenRandomFunc BCryptGenRandom
+
+# endif
+
+#else
+/* These devices exist on all platforms except native Windows. */
+
+/* Name of a device through which the kernel returns high quality random
+ numbers, from an entropy pool. When the pool is empty, the call blocks
+ until entropy sources have added enough bits of entropy. */
+# ifndef NAME_OF_RANDOM_DEVICE
+# define NAME_OF_RANDOM_DEVICE "/dev/random"
+# endif
+
+/* Name of a device through which the kernel returns random or pseudo-random
+ numbers. It uses an entropy pool, but, in order to avoid blocking, adds
+ bits generated by a pseudo-random number generator, as needed. */
+# ifndef NAME_OF_NONCE_DEVICE
+# define NAME_OF_NONCE_DEVICE "/dev/urandom"
+# endif
+
+#endif
+
+/* Set BUFFER (of size LENGTH) to random bytes under the control of FLAGS.
+ Return the number of bytes written (> 0).
+ Upon error, return -1 and set errno. */
+ssize_t
+getrandom (void *buffer, size_t length, unsigned int flags)
+#undef getrandom
+{
+#if defined _WIN32 && ! defined __CYGWIN__
+ /* BCryptGenRandom, defined in <bcrypt.h>
+ <https://docs.microsoft.com/en-us/windows/win32/api/bcrypt/nf-bcrypt-bcryptgenrandom>
+ with the BCRYPT_USE_SYSTEM_PREFERRED_RNG flag
+ works in Windows 7 and newer. */
+ static int bcrypt_not_working /* = 0 */;
+ if (!bcrypt_not_working)
+ {
+# if !HAVE_LIB_BCRYPT
+ if (!initialized)
+ initialize ();
+# endif
+ if (BCryptGenRandomFunc != NULL
+ && BCryptGenRandomFunc (NULL, buffer, length,
+ BCRYPT_USE_SYSTEM_PREFERRED_RNG)
+ == 0 /*STATUS_SUCCESS*/)
+ return length;
+ bcrypt_not_working = 1;
+ }
+# if !HAVE_LIB_BCRYPT
+ /* CryptGenRandom, defined in <wincrypt.h>
+ <https://docs.microsoft.com/en-us/windows/win32/api/wincrypt/nf-wincrypt-cryptgenrandom>
+ works in older releases as well, but is now deprecated.
+ CryptAcquireContext, defined in <wincrypt.h>
+ <https://docs.microsoft.com/en-us/windows/win32/api/wincrypt/nf-wincrypt-cryptacquirecontexta> */
+ {
+ static int crypt_initialized /* = 0 */;
+ static HCRYPTPROV provider;
+ if (!crypt_initialized)
+ {
+ if (CryptAcquireContext (&provider, NULL, NULL, PROV_RSA_FULL,
+ CRYPT_VERIFY_CONTEXT))
+ crypt_initialized = 1;
+ else
+ crypt_initialized = -1;
+ }
+ if (crypt_initialized >= 0)
+ {
+ if (!CryptGenRandom (provider, length, buffer))
+ {
+ errno = EIO;
+ return -1;
+ }
+ return length;
+ }
+ }
+# endif
+ errno = ENOSYS;
+ return -1;
+#elif HAVE_GETRANDOM
+ return getrandom (buffer, length, flags);
+#else
+ static int randfd[2] = { -1, -1 };
+ bool devrandom = (flags & GRND_RANDOM) != 0;
+ int fd = randfd[devrandom];
+
+ if (fd < 0)
+ {
+ static char const randdevice[][MAX (sizeof NAME_OF_NONCE_DEVICE,
+ sizeof NAME_OF_RANDOM_DEVICE)]
+ = { NAME_OF_NONCE_DEVICE, NAME_OF_RANDOM_DEVICE };
+ int oflags = (O_RDONLY + O_CLOEXEC
+ + (flags & GRND_NONBLOCK ? O_NONBLOCK : 0));
+ fd = open (randdevice[devrandom], oflags);
+ if (fd < 0)
+ return fd;
+ randfd[devrandom] = fd;
+ }
+
+ return read (fd, buffer, length);
+#endif
+}
diff --git a/lib/gettimeofday.c b/lib/gettimeofday.c
index b63f8f29292..057cebdb163 100644
--- a/lib/gettimeofday.c
+++ b/lib/gettimeofday.c
@@ -33,9 +33,15 @@
#ifdef WINDOWS_NATIVE
+/* Don't assume that UNICODE is not defined. */
+# undef LoadLibrary
+# define LoadLibrary LoadLibraryA
+
+# if !(_WIN32_WINNT >= _WIN32_WINNT_WIN8)
+
/* Avoid warnings from gcc -Wcast-function-type. */
-# define GetProcAddress \
- (void *) GetProcAddress
+# define GetProcAddress \
+ (void *) GetProcAddress
/* GetSystemTimePreciseAsFileTime was introduced only in Windows 8. */
typedef void (WINAPI * GetSystemTimePreciseAsFileTimeFuncType) (FILETIME *lpTime);
@@ -54,6 +60,12 @@ initialize (void)
initialized = TRUE;
}
+# else
+
+# define GetSystemTimePreciseAsFileTimeFunc GetSystemTimePreciseAsFileTime
+
+# endif
+
#endif
/* This is a wrapper for gettimeofday. It is used only on systems
@@ -84,8 +96,10 @@ gettimeofday (struct timeval *restrict tv, void *restrict tz)
<http://www.windowstimestamp.com/description>. */
FILETIME current_time;
+# if !(_WIN32_WINNT >= _WIN32_WINNT_WIN8)
if (!initialized)
initialize ();
+# endif
if (GetSystemTimePreciseAsFileTimeFunc != NULL)
GetSystemTimePreciseAsFileTimeFunc (&current_time);
else
diff --git a/lib/gnulib.mk.in b/lib/gnulib.mk.in
index 5c11dfc95ca..8174ea26fa5 100644
--- a/lib/gnulib.mk.in
+++ b/lib/gnulib.mk.in
@@ -311,6 +311,7 @@ GNULIB_GETCWD = @GNULIB_GETCWD@
GNULIB_GETDELIM = @GNULIB_GETDELIM@
GNULIB_GETDOMAINNAME = @GNULIB_GETDOMAINNAME@
GNULIB_GETDTABLESIZE = @GNULIB_GETDTABLESIZE@
+GNULIB_GETENTROPY = @GNULIB_GETENTROPY@
GNULIB_GETGROUPS = @GNULIB_GETGROUPS@
GNULIB_GETHOSTNAME = @GNULIB_GETHOSTNAME@
GNULIB_GETLINE = @GNULIB_GETLINE@
@@ -320,6 +321,7 @@ GNULIB_GETLOGIN_R = @GNULIB_GETLOGIN_R@
GNULIB_GETOPT_POSIX = @GNULIB_GETOPT_POSIX@
GNULIB_GETPAGESIZE = @GNULIB_GETPAGESIZE@
GNULIB_GETPASS = @GNULIB_GETPASS@
+GNULIB_GETRANDOM = @GNULIB_GETRANDOM@
GNULIB_GETSUBOPT = @GNULIB_GETSUBOPT@
GNULIB_GETTIMEOFDAY = @GNULIB_GETTIMEOFDAY@
GNULIB_GETUSERSHELL = @GNULIB_GETUSERSHELL@
@@ -565,12 +567,14 @@ HAVE_FTELLO = @HAVE_FTELLO@
HAVE_FTRUNCATE = @HAVE_FTRUNCATE@
HAVE_FUTIMENS = @HAVE_FUTIMENS@
HAVE_GETDTABLESIZE = @HAVE_GETDTABLESIZE@
+HAVE_GETENTROPY = @HAVE_GETENTROPY@
HAVE_GETGROUPS = @HAVE_GETGROUPS@
HAVE_GETHOSTNAME = @HAVE_GETHOSTNAME@
HAVE_GETLOGIN = @HAVE_GETLOGIN@
HAVE_GETOPT_H = @HAVE_GETOPT_H@
HAVE_GETPAGESIZE = @HAVE_GETPAGESIZE@
HAVE_GETPASS = @HAVE_GETPASS@
+HAVE_GETRANDOM = @HAVE_GETRANDOM@
HAVE_GETSUBOPT = @HAVE_GETSUBOPT@
HAVE_GETTIMEOFDAY = @HAVE_GETTIMEOFDAY@
HAVE_GRANTPT = @HAVE_GRANTPT@
@@ -667,6 +671,7 @@ HAVE_SYS_CDEFS_H = @HAVE_SYS_CDEFS_H@
HAVE_SYS_INTTYPES_H = @HAVE_SYS_INTTYPES_H@
HAVE_SYS_LOADAVG_H = @HAVE_SYS_LOADAVG_H@
HAVE_SYS_PARAM_H = @HAVE_SYS_PARAM_H@
+HAVE_SYS_RANDOM_H = @HAVE_SYS_RANDOM_H@
HAVE_SYS_SELECT_H = @HAVE_SYS_SELECT_H@
HAVE_SYS_TIME_H = @HAVE_SYS_TIME_H@
HAVE_SYS_TYPES_H = @HAVE_SYS_TYPES_H@
@@ -753,6 +758,7 @@ LIB_ACL = @LIB_ACL@
LIB_CLOCK_GETTIME = @LIB_CLOCK_GETTIME@
LIB_EACCESS = @LIB_EACCESS@
LIB_EXECINFO = @LIB_EXECINFO@
+LIB_GETRANDOM = @LIB_GETRANDOM@
LIB_MATH = @LIB_MATH@
LIB_PTHREAD = @LIB_PTHREAD@
LIB_PTHREAD_SIGMASK = @LIB_PTHREAD_SIGMASK@
@@ -782,6 +788,7 @@ NEXT_AS_FIRST_DIRECTIVE_STDINT_H = @NEXT_AS_FIRST_DIRECTIVE_STDINT_H@
NEXT_AS_FIRST_DIRECTIVE_STDIO_H = @NEXT_AS_FIRST_DIRECTIVE_STDIO_H@
NEXT_AS_FIRST_DIRECTIVE_STDLIB_H = @NEXT_AS_FIRST_DIRECTIVE_STDLIB_H@
NEXT_AS_FIRST_DIRECTIVE_STRING_H = @NEXT_AS_FIRST_DIRECTIVE_STRING_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H@
@@ -800,6 +807,7 @@ NEXT_STDINT_H = @NEXT_STDINT_H@
NEXT_STDIO_H = @NEXT_STDIO_H@
NEXT_STDLIB_H = @NEXT_STDLIB_H@
NEXT_STRING_H = @NEXT_STRING_H@
+NEXT_SYS_RANDOM_H = @NEXT_SYS_RANDOM_H@
NEXT_SYS_SELECT_H = @NEXT_SYS_SELECT_H@
NEXT_SYS_STAT_H = @NEXT_SYS_STAT_H@
NEXT_SYS_TIME_H = @NEXT_SYS_TIME_H@
@@ -884,6 +892,7 @@ REPLACE_GETLINE = @REPLACE_GETLINE@
REPLACE_GETLOGIN_R = @REPLACE_GETLOGIN_R@
REPLACE_GETPAGESIZE = @REPLACE_GETPAGESIZE@
REPLACE_GETPASS = @REPLACE_GETPASS@
+REPLACE_GETRANDOM = @REPLACE_GETRANDOM@
REPLACE_GETTIMEOFDAY = @REPLACE_GETTIMEOFDAY@
REPLACE_GMTIME = @REPLACE_GMTIME@
REPLACE_INITSTATE = @REPLACE_INITSTATE@
@@ -1003,6 +1012,7 @@ UINT64_MAX_EQ_ULONG_MAX = @UINT64_MAX_EQ_ULONG_MAX@
UNDEFINE_STRTOK_R = @UNDEFINE_STRTOK_R@
UNEXEC_OBJ = @UNEXEC_OBJ@
UNISTD_H_DEFINES_STRUCT_TIMESPEC = @UNISTD_H_DEFINES_STRUCT_TIMESPEC@
+UNISTD_H_HAVE_SYS_RANDOM_H = @UNISTD_H_HAVE_SYS_RANDOM_H@
UNISTD_H_HAVE_WINSOCK2_H = @UNISTD_H_HAVE_WINSOCK2_H@
UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS = @UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
USE_ACL = @USE_ACL@
@@ -1072,7 +1082,6 @@ gamegroup = @gamegroup@
gameuser = @gameuser@
gl_GNULIB_ENABLED_03e0aaad4cb89ca757653bd367a6ccb7 = @gl_GNULIB_ENABLED_03e0aaad4cb89ca757653bd367a6ccb7@
gl_GNULIB_ENABLED_2049e887c7e5308faad27b3f894bb8c9 = @gl_GNULIB_ENABLED_2049e887c7e5308faad27b3f894bb8c9@
-gl_GNULIB_ENABLED_21ee726a3540c09237a8e70c0baf7467 = @gl_GNULIB_ENABLED_21ee726a3540c09237a8e70c0baf7467@
gl_GNULIB_ENABLED_260941c0e5dc67ec9e87d1fb321c300b = @gl_GNULIB_ENABLED_260941c0e5dc67ec9e87d1fb321c300b@
gl_GNULIB_ENABLED_5264294aa0a5557541b53c8c741f7f31 = @gl_GNULIB_ENABLED_5264294aa0a5557541b53c8c741f7f31@
gl_GNULIB_ENABLED_6099e9737f757db36c47fa9d9f02e88c = @gl_GNULIB_ENABLED_6099e9737f757db36c47fa9d9f02e88c@
@@ -1086,7 +1095,6 @@ gl_GNULIB_ENABLED_getdtablesize = @gl_GNULIB_ENABLED_getdtablesize@
gl_GNULIB_ENABLED_getgroups = @gl_GNULIB_ENABLED_getgroups@
gl_GNULIB_ENABLED_lchmod = @gl_GNULIB_ENABLED_lchmod@
gl_GNULIB_ENABLED_malloca = @gl_GNULIB_ENABLED_malloca@
-gl_GNULIB_ENABLED_open = @gl_GNULIB_ENABLED_open@
gl_GNULIB_ENABLED_strtoll = @gl_GNULIB_ENABLED_strtoll@
gl_GNULIB_ENABLED_utimens = @gl_GNULIB_ENABLED_utimens@
gl_LIBOBJS = @gl_LIBOBJS@
@@ -1831,6 +1839,17 @@ EXTRA_libgnu_a_SOURCES += getopt.c getopt1.c
endif
## end gnulib module getopt-posix
+## begin gnulib module getrandom
+ifeq (,$(OMIT_GNULIB_MODULE_getrandom))
+
+
+EXTRA_DIST += getrandom.c
+
+EXTRA_libgnu_a_SOURCES += getrandom.c
+
+endif
+## end gnulib module getrandom
+
## begin gnulib module gettext-h
ifeq (,$(OMIT_GNULIB_MODULE_gettext-h))
@@ -1988,9 +2007,7 @@ endif
## begin gnulib module libc-config
ifeq (,$(OMIT_GNULIB_MODULE_libc-config))
-ifneq (,$(gl_GNULIB_ENABLED_21ee726a3540c09237a8e70c0baf7467))
-endif
EXTRA_DIST += cdefs.h libc-config.h
endif
@@ -2151,9 +2168,7 @@ endif
## begin gnulib module open
ifeq (,$(OMIT_GNULIB_MODULE_open))
-ifneq (,$(gl_GNULIB_ENABLED_open))
-endif
EXTRA_DIST += open.c
EXTRA_libgnu_a_SOURCES += open.c
@@ -2906,6 +2921,40 @@ EXTRA_libgnu_a_SOURCES += symlink.c
endif
## end gnulib module symlink
+## begin gnulib module sys_random
+ifeq (,$(OMIT_GNULIB_MODULE_sys_random))
+
+BUILT_SOURCES += sys/random.h
+
+# We need the following in order to create <sys/random.h> when the system
+# doesn't have one.
+sys/random.h: sys_random.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) $(WARN_ON_USE_H)
+ $(AM_V_at)$(MKDIR_P) sys
+ $(AM_V_GEN)rm -f $@-t $@ && \
+ { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+ sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+ -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+ -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
+ -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
+ -e 's|@''NEXT_SYS_RANDOM_H''@|$(NEXT_SYS_RANDOM_H)|g' \
+ -e 's|@''HAVE_SYS_RANDOM_H''@|$(HAVE_SYS_RANDOM_H)|g' \
+ -e 's/@''GNULIB_GETRANDOM''@/$(GNULIB_GETRANDOM)/g' \
+ -e 's/@''HAVE_GETRANDOM''@/$(HAVE_GETRANDOM)/g' \
+ -e 's/@''REPLACE_GETRANDOM''@/$(REPLACE_GETRANDOM)/g' \
+ -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
+ -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
+ -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
+ < $(srcdir)/sys_random.in.h; \
+ } > $@-t && \
+ mv -f $@-t $@
+MOSTLYCLEANFILES += sys/random.h sys/random.h-t
+MOSTLYCLEANDIRS += sys
+
+EXTRA_DIST += sys_random.in.h
+
+endif
+## end gnulib module sys_random
+
## begin gnulib module sys_select
ifeq (,$(OMIT_GNULIB_MODULE_sys_select))
@@ -3246,6 +3295,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H
-e 's/@''GNULIB_GETCWD''@/$(GNULIB_GETCWD)/g' \
-e 's/@''GNULIB_GETDOMAINNAME''@/$(GNULIB_GETDOMAINNAME)/g' \
-e 's/@''GNULIB_GETDTABLESIZE''@/$(GNULIB_GETDTABLESIZE)/g' \
+ -e 's/@''GNULIB_GETENTROPY''@/$(GNULIB_GETENTROPY)/g' \
-e 's/@''GNULIB_GETGROUPS''@/$(GNULIB_GETGROUPS)/g' \
-e 's/@''GNULIB_GETHOSTNAME''@/$(GNULIB_GETHOSTNAME)/g' \
-e 's/@''GNULIB_GETLOGIN''@/$(GNULIB_GETLOGIN)/g' \
@@ -3294,6 +3344,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H
-e 's|@''HAVE_FSYNC''@|$(HAVE_FSYNC)|g' \
-e 's|@''HAVE_FTRUNCATE''@|$(HAVE_FTRUNCATE)|g' \
-e 's|@''HAVE_GETDTABLESIZE''@|$(HAVE_GETDTABLESIZE)|g' \
+ -e 's|@''HAVE_GETENTROPY''@|$(HAVE_GETENTROPY)|g' \
-e 's|@''HAVE_GETGROUPS''@|$(HAVE_GETGROUPS)|g' \
-e 's|@''HAVE_GETHOSTNAME''@|$(HAVE_GETHOSTNAME)|g' \
-e 's|@''HAVE_GETPAGESIZE''@|$(HAVE_GETPAGESIZE)|g' \
@@ -3363,6 +3414,7 @@ unistd.h: unistd.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H
-e 's|@''REPLACE_UNLINKAT''@|$(REPLACE_UNLINKAT)|g' \
-e 's|@''REPLACE_USLEEP''@|$(REPLACE_USLEEP)|g' \
-e 's|@''REPLACE_WRITE''@|$(REPLACE_WRITE)|g' \
+ -e 's|@''UNISTD_H_HAVE_SYS_RANDOM_H''@|$(UNISTD_H_HAVE_SYS_RANDOM_H)|g' \
-e 's|@''UNISTD_H_HAVE_WINSOCK2_H''@|$(UNISTD_H_HAVE_WINSOCK2_H)|g' \
-e 's|@''UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS''@|$(UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS)|g' \
-e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
diff --git a/lib/libc-config.h b/lib/libc-config.h
index 124f1d77e01..1300c3a2ac8 100644
--- a/lib/libc-config.h
+++ b/lib/libc-config.h
@@ -180,4 +180,5 @@
/* A substitute for glibc <shlib-compat.h>, good enough for Gnulib. */
#define SHLIB_COMPAT(lib, introduced, obsoleted) 0
-#define versioned_symbol(lib, local, symbol, version)
+#define compat_symbol(lib, local, symbol, version) extern int dummy
+#define versioned_symbol(lib, local, symbol, version) extern int dummy
diff --git a/lib/open.c b/lib/open.c
index bb180fde292..751b42d7dcf 100644
--- a/lib/open.c
+++ b/lib/open.c
@@ -124,7 +124,7 @@ open (const char *filename, int flags, ...)
#endif
fd = orig_open (filename,
- flags & ~(have_cloexec <= 0 ? O_CLOEXEC : 0), mode);
+ flags & ~(have_cloexec < 0 ? O_CLOEXEC : 0), mode);
if (flags & O_CLOEXEC)
{
diff --git a/lib/openat-proc.c b/lib/openat-proc.c
index 9111cd3d7ee..b5aaee8b1d3 100644
--- a/lib/openat-proc.c
+++ b/lib/openat-proc.c
@@ -73,8 +73,9 @@ openat_proc_name (char buf[OPENAT_BUFFER_SIZE], int fd, char const *file)
problem is exhibited on code that built on Solaris 8 and
running on Solaris 10. */
- int proc_self_fd = open ("/proc/self/fd",
- O_SEARCH | O_DIRECTORY | O_NOCTTY | O_NONBLOCK);
+ int proc_self_fd =
+ open ("/proc/self/fd",
+ O_SEARCH | O_DIRECTORY | O_NOCTTY | O_NONBLOCK | O_CLOEXEC);
if (proc_self_fd < 0)
proc_status = -1;
else
diff --git a/lib/sys_random.in.h b/lib/sys_random.in.h
new file mode 100644
index 00000000000..f14ac1f5723
--- /dev/null
+++ b/lib/sys_random.in.h
@@ -0,0 +1,92 @@
+/* Substitute for <sys/random.h>.
+ Copyright (C) 2020 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, see <https://www.gnu.org/licenses/>. */
+
+# if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+# endif
+@PRAGMA_COLUMNS@
+
+#ifndef _@GUARD_PREFIX@_SYS_RANDOM_H
+
+#if @HAVE_SYS_RANDOM_H@
+
+/* On Mac OS X 10.5, <sys/random.h> assumes prior inclusion of <sys/types.h>.
+ On Max OS X 10.13, <sys/random.h> assumes prior inclusion of a file that
+ includes <Availability.h>, such as <stdlib.h> or <unistd.h>. */
+# if defined __APPLE__ && defined __MACH__ /* Mac OS X */
+# include <sys/types.h>
+# include <stdlib.h>
+# endif
+
+/* The include_next requires a split double-inclusion guard. */
+# @INCLUDE_NEXT@ @NEXT_SYS_RANDOM_H@
+
+#endif
+
+#ifndef _@GUARD_PREFIX@_SYS_RANDOM_H
+#define _@GUARD_PREFIX@_SYS_RANDOM_H
+
+#include <sys/types.h>
+
+/* Define the GRND_* constants. */
+#ifndef GRND_NONBLOCK
+# define GRND_NONBLOCK 1
+# define GRND_RANDOM 2
+#endif
+
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
+
+/* The definition of _GL_ARG_NONNULL is copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
+
+
+/* Declare overridden functions. */
+
+
+#if @GNULIB_GETRANDOM@
+/* Fill a buffer with random bytes. */
+# if @REPLACE_GETRANDOM@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef getrandom
+# define getrandom rpl_getrandom
+# endif
+_GL_FUNCDECL_RPL (getrandom, ssize_t,
+ (void *buffer, size_t length, unsigned int flags)
+ _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (getrandom, ssize_t,
+ (void *buffer, size_t length, unsigned int flags));
+# else
+# if !@HAVE_GETRANDOM@
+_GL_FUNCDECL_SYS (getrandom, ssize_t,
+ (void *buffer, size_t length, unsigned int flags)
+ _GL_ARG_NONNULL ((1)));
+# endif
+_GL_CXXALIAS_SYS (getrandom, ssize_t,
+ (void *buffer, size_t length, unsigned int flags));
+# endif
+_GL_CXXALIASWARN (getrandom);
+#elif defined GNULIB_POSIXCHECK
+# undef getrandom
+# if HAVE_RAW_DECL_GETRANDOM
+_GL_WARN_ON_USE (getrandom, "getrandom is unportable - "
+ "use gnulib module getrandom for portability");
+# endif
+#endif
+
+
+#endif /* _@GUARD_PREFIX@_SYS_RANDOM_H */
+#endif /* _@GUARD_PREFIX@_SYS_RANDOM_H */
diff --git a/lib/tempname.c b/lib/tempname.c
index 0aad0616c85..cfb0fc42eca 100644
--- a/lib/tempname.c
+++ b/lib/tempname.c
@@ -1,24 +1,22 @@
-/* tempname.c - generate the name of a temporary file.
+/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
- Copyright (C) 1991-2003, 2005-2007, 2009-2020 Free Software Foundation, Inc.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public
+ License as published by the Free Software Foundation; either
+ version 3 of the License, or (at your option) any later version.
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
+ The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <https://www.gnu.org/licenses/>. */
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
-/* Extracted from glibc sysdeps/posix/tempname.c. See also tmpdir.c. */
+ You should have received a copy of the GNU General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
#if !_LIBC
-# include <config.h>
+# include <libc-config.h>
# include "tempname.h"
#endif
@@ -26,9 +24,6 @@
#include <assert.h>
#include <errno.h>
-#ifndef __set_errno
-# define __set_errno(Val) errno = (Val)
-#endif
#include <stdio.h>
#ifndef P_tmpdir
@@ -52,51 +47,39 @@
#include <string.h>
#include <fcntl.h>
-#include <sys/time.h>
#include <stdint.h>
-#include <unistd.h>
-
+#include <sys/random.h>
#include <sys/stat.h>
#if _LIBC
# define struct_stat64 struct stat64
+# define __secure_getenv __libc_secure_getenv
#else
# define struct_stat64 struct stat
-# define __try_tempname try_tempname
# define __gen_tempname gen_tempname
-# define __getpid getpid
-# define __gettimeofday gettimeofday
# define __mkdir mkdir
# define __open open
# define __lxstat64(version, file, buf) lstat (file, buf)
#endif
#ifdef _LIBC
-# include <hp-timing.h>
-# if HP_TIMING_AVAIL
-# define RANDOM_BITS(Var) \
- if (__builtin_expect (value == UINT64_C (0), 0)) \
- { \
- /* If this is the first time this function is used initialize \
- the variable we accumulate the value in to some somewhat \
- random value. If we'd not do this programs at startup time \
- might have a reduced set of possible names, at least on slow \
- machines. */ \
- struct timeval tv; \
- __gettimeofday (&tv, NULL); \
- value = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec; \
- } \
- HP_TIMING_NOW (Var)
-# endif
-#endif
-
-/* Use the widest available unsigned type if uint64_t is not
- available. The algorithm below extracts a number less than 62**6
- (approximately 2**35.725) from uint64_t, so ancient hosts where
- uintmax_t is only 32 bits lose about 3.725 bits of randomness,
- which is better than not having mkstemp at all. */
-#if !defined UINT64_MAX && !defined uint64_t
-# define uint64_t uintmax_t
+# include <random-bits.h>
+# define RANDOM_BITS(Var) ((Var) = random_bits ())
+typedef uint32_t random_value;
+# define RANDOM_VALUE_MAX UINT32_MAX
+# define BASE_62_DIGITS 5 /* 62**5 < UINT32_MAX */
+# define BASE_62_POWER (62 * 62 * 62 * 62 * 62) /* 2**BASE_62_DIGITS */
+#else
+/* Use getrandom if it works, falling back on a 64-bit linear
+ congruential generator that starts with whatever Var's value
+ happens to be. */
+# define RANDOM_BITS(Var) \
+ ((void) (getrandom (&(Var), sizeof (Var), 0) == sizeof (Var) \
+ || ((Var) = 2862933555777941757 * (Var) + 3037000493)))
+typedef uint_fast64_t random_value;
+# define RANDOM_VALUE_MAX UINT_FAST64_MAX
+# define BASE_62_DIGITS 10 /* 62**10 < UINT_FAST64_MAX */
+# define BASE_62_POWER (62LL * 62 * 62 * 62 * 62 * 62 * 62 * 62 * 62 * 62)
#endif
#if _LIBC
@@ -172,18 +155,80 @@ __path_search (char *tmpl, size_t tmpl_len, const char *dir, const char *pfx,
}
#endif /* _LIBC */
+#if _LIBC
+static int try_tempname_len (char *, int, void *, int (*) (char *, void *),
+ size_t);
+#endif
+
+static int
+try_file (char *tmpl, void *flags)
+{
+ int *openflags = flags;
+ return __open (tmpl,
+ (*openflags & ~O_ACCMODE)
+ | O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
+}
+
+static int
+try_dir (char *tmpl, void *flags _GL_UNUSED)
+{
+ return __mkdir (tmpl, S_IRUSR | S_IWUSR | S_IXUSR);
+}
+
+static int
+try_nocreate (char *tmpl, void *flags _GL_UNUSED)
+{
+ struct_stat64 st;
+
+ if (__lxstat64 (_STAT_VER, tmpl, &st) == 0 || errno == EOVERFLOW)
+ __set_errno (EEXIST);
+ return errno == ENOENT ? 0 : -1;
+}
+
/* These are the characters used in temporary file names. */
static const char letters[] =
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+/* Generate a temporary file name based on TMPL. TMPL must match the
+ rules for mk[s]temp (i.e., end in at least X_SUFFIX_LEN "X"s,
+ possibly with a suffix).
+ The name constructed does not exist at the time of the call to
+ this function. TMPL is overwritten with the result.
+
+ KIND may be one of:
+ __GT_NOCREATE: simply verify that the name does not exist
+ at the time of the call.
+ __GT_FILE: create the file using open(O_CREAT|O_EXCL)
+ and return a read-write fd. The file is mode 0600.
+ __GT_DIR: create a directory, which will be mode 0700.
+
+ We use a clever algorithm to get hard-to-predict names. */
+#ifdef _LIBC
+static
+#endif
int
-__try_tempname (char *tmpl, int suffixlen, void *args,
- int (*tryfunc) (char *, void *))
+gen_tempname_len (char *tmpl, int suffixlen, int flags, int kind,
+ size_t x_suffix_len)
{
- int len;
+ static int (*const tryfunc[]) (char *, void *) =
+ {
+ [__GT_FILE] = try_file,
+ [__GT_DIR] = try_dir,
+ [__GT_NOCREATE] = try_nocreate
+ };
+ return try_tempname_len (tmpl, suffixlen, &flags, tryfunc[kind],
+ x_suffix_len);
+}
+
+#ifdef _LIBC
+static
+#endif
+int
+try_tempname_len (char *tmpl, int suffixlen, void *args,
+ int (*tryfunc) (char *, void *), size_t x_suffix_len)
+{
+ size_t len;
char *XXXXXX;
- static uint64_t value;
- uint64_t random_time_bits;
unsigned int count;
int fd = -1;
int save_errno = errno;
@@ -193,7 +238,8 @@ __try_tempname (char *tmpl, int suffixlen, void *args,
can exist for a given template is 62**6. It should never be
necessary to try all of these combinations. Instead if a reasonable
number of names is tried (we define reasonable as 62**3) fail to
- give the system administrator the chance to remove the problems. */
+ give the system administrator the chance to remove the problems.
+ This value requires that X_SUFFIX_LEN be at least 3. */
#define ATTEMPTS_MIN (62 * 62 * 62)
/* The number of times to attempt to generate a temporary file. To
@@ -204,44 +250,45 @@ __try_tempname (char *tmpl, int suffixlen, void *args,
unsigned int attempts = ATTEMPTS_MIN;
#endif
+ /* A random variable. */
+ random_value v;
+
+ /* How many random base-62 digits can currently be extracted from V. */
+ int vdigits = 0;
+
+ /* Least unfair value for V. If V is less than this, V can generate
+ BASE_62_DIGITS digits fairly. Otherwise it might be biased. */
+ random_value const unfair_min
+ = RANDOM_VALUE_MAX - RANDOM_VALUE_MAX % BASE_62_POWER;
+
len = strlen (tmpl);
- if (len < 6 + suffixlen || memcmp (&tmpl[len - 6 - suffixlen], "XXXXXX", 6))
+ if (len < x_suffix_len + suffixlen
+ || strspn (&tmpl[len - x_suffix_len - suffixlen], "X") < x_suffix_len)
{
__set_errno (EINVAL);
return -1;
}
/* This is where the Xs start. */
- XXXXXX = &tmpl[len - 6 - suffixlen];
-
- /* Get some more or less random data. */
-#ifdef RANDOM_BITS
- RANDOM_BITS (random_time_bits);
-#else
- {
- struct timeval tv;
- __gettimeofday (&tv, NULL);
- random_time_bits = ((uint64_t) tv.tv_usec << 16) ^ tv.tv_sec;
- }
-#endif
- value += random_time_bits ^ __getpid ();
+ XXXXXX = &tmpl[len - x_suffix_len - suffixlen];
- for (count = 0; count < attempts; value += 7777, ++count)
+ for (count = 0; count < attempts; ++count)
{
- uint64_t v = value;
-
- /* Fill in the random bits. */
- XXXXXX[0] = letters[v % 62];
- v /= 62;
- XXXXXX[1] = letters[v % 62];
- v /= 62;
- XXXXXX[2] = letters[v % 62];
- v /= 62;
- XXXXXX[3] = letters[v % 62];
- v /= 62;
- XXXXXX[4] = letters[v % 62];
- v /= 62;
- XXXXXX[5] = letters[v % 62];
+ for (size_t i = 0; i < x_suffix_len; i++)
+ {
+ if (vdigits == 0)
+ {
+ do
+ RANDOM_BITS (v);
+ while (unfair_min <= v);
+
+ vdigits = BASE_62_DIGITS;
+ }
+
+ XXXXXX[i] = letters[v % 62];
+ v /= 62;
+ vdigits--;
+ }
fd = tryfunc (tmpl, args);
if (fd >= 0)
@@ -258,66 +305,17 @@ __try_tempname (char *tmpl, int suffixlen, void *args,
return -1;
}
-static int
-try_file (char *tmpl, void *flags)
-{
- int *openflags = flags;
- return __open (tmpl,
- (*openflags & ~O_ACCMODE)
- | O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
-}
-
-static int
-try_dir (char *tmpl, void *flags _GL_UNUSED)
-{
- return __mkdir (tmpl, S_IRUSR | S_IWUSR | S_IXUSR);
-}
-
-static int
-try_nocreate (char *tmpl, void *flags _GL_UNUSED)
+int
+__gen_tempname (char *tmpl, int suffixlen, int flags, int kind)
{
- struct_stat64 st;
-
- if (__lxstat64 (_STAT_VER, tmpl, &st) == 0 || errno == EOVERFLOW)
- __set_errno (EEXIST);
- return errno == ENOENT ? 0 : -1;
+ return gen_tempname_len (tmpl, suffixlen, flags, kind, 6);
}
-/* Generate a temporary file name based on TMPL. TMPL must match the
- rules for mk[s]temp (i.e. end in "XXXXXX", possibly with a suffix).
- The name constructed does not exist at the time of the call to
- __gen_tempname. TMPL is overwritten with the result.
-
- KIND may be one of:
- __GT_NOCREATE: simply verify that the name does not exist
- at the time of the call.
- __GT_FILE: create the file using open(O_CREAT|O_EXCL)
- and return a read-write fd. The file is mode 0600.
- __GT_DIR: create a directory, which will be mode 0700.
-
- We use a clever algorithm to get hard-to-predict names. */
+#if !_LIBC
int
-__gen_tempname (char *tmpl, int suffixlen, int flags, int kind)
+try_tempname (char *tmpl, int suffixlen, void *args,
+ int (*tryfunc) (char *, void *))
{
- int (*tryfunc) (char *, void *);
-
- switch (kind)
- {
- case __GT_FILE:
- tryfunc = try_file;
- break;
-
- case __GT_DIR:
- tryfunc = try_dir;
- break;
-
- case __GT_NOCREATE:
- tryfunc = try_nocreate;
- break;
-
- default:
- assert (! "invalid KIND in __gen_tempname");
- abort ();
- }
- return __try_tempname (tmpl, suffixlen, &flags, tryfunc);
+ return try_tempname_len (tmpl, suffixlen, args, tryfunc, 6);
}
+#endif
diff --git a/lib/tempname.h b/lib/tempname.h
index abb92650827..00dcbe4c93b 100644
--- a/lib/tempname.h
+++ b/lib/tempname.h
@@ -50,6 +50,9 @@ extern "C" {
We use a clever algorithm to get hard-to-predict names. */
extern int gen_tempname (char *tmpl, int suffixlen, int flags, int kind);
+/* Similar, except X_SUFFIX_LEN gives the number of Xs. */
+extern int gen_tempname_len (char *tmpl, int suffixlen, int flags, int kind,
+ size_t x_suffix_len);
/* Similar to gen_tempname, but TRYFUNC is called for each temporary
name to try. If TRYFUNC returns a non-negative number, TRY_GEN_TEMPNAME
@@ -57,6 +60,10 @@ extern int gen_tempname (char *tmpl, int suffixlen, int flags, int kind);
name is tried, or else TRY_GEN_TEMPNAME returns -1. */
extern int try_tempname (char *tmpl, int suffixlen, void *args,
int (*tryfunc) (char *, void *));
+/* Similar, except X_SUFFIX_LEN gives the number of Xs. */
+extern int try_tempname_len (char *tmpl, int suffixlen, void *args,
+ int (*tryfunc) (char *, void *),
+ size_t x_suffix_len);
#ifdef __cplusplus
}
diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index c9b9ac95821..b211e4d61f7 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -118,6 +118,17 @@
# include <netdb.h>
#endif
+/* Mac OS X 10.13, Solaris 11.4, and Android 9.0 declare getentropy in
+ <sys/random.h>, not in <unistd.h>. */
+/* But avoid namespace pollution on glibc systems. */
+#if (@GNULIB_GETENTROPY@ || defined GNULIB_POSIXCHECK) \
+ && ((defined __APPLE__ && defined __MACH__) || defined __sun \
+ || defined __ANDROID__) \
+ && @UNISTD_H_HAVE_SYS_RANDOM_H@ \
+ && !defined __GLIBC__
+# include <sys/random.h>
+#endif
+
/* Android 4.3 declares fchownat in <sys/stat.h>, not in <unistd.h>. */
/* But avoid namespace pollution on glibc systems. */
#if (@GNULIB_FCHOWNAT@ || defined GNULIB_POSIXCHECK) && defined __ANDROID__ \
@@ -763,6 +774,22 @@ _GL_WARN_ON_USE (getdtablesize, "getdtablesize is unportable - "
#endif
+#if @GNULIB_GETENTROPY@
+/* Fill a buffer with random bytes. */
+# if !@HAVE_GETENTROPY@
+_GL_FUNCDECL_SYS (getentropy, int, (void *buffer, size_t length));
+# endif
+_GL_CXXALIAS_SYS (getentropy, int, (void *buffer, size_t length));
+_GL_CXXALIASWARN (getentropy);
+#elif defined GNULIB_POSIXCHECK
+# undef getentropy
+# if HAVE_RAW_DECL_GETENTROPY
+_GL_WARN_ON_USE (getentropy, "getentropy is unportable - "
+ "use gnulib module getentropy for portability");
+# endif
+#endif
+
+
#if @GNULIB_GETGROUPS@
/* Return the supplemental groups that the current process belongs to.
It is unspecified whether the effective group id is in the list.
diff --git a/lib/verify.h b/lib/verify.h
index d9ab89a570c..f1097612704 100644
--- a/lib/verify.h
+++ b/lib/verify.h
@@ -277,10 +277,22 @@ template <int w>
#endif
/* Assume that R always holds. Behavior is undefined if R is false,
- fails to evaluate, or has side effects. Although assuming R can
- help a compiler generate better code or diagnostics, performance
- can suffer if R uses hard-to-optimize features such as function
- calls not inlined by the compiler. */
+ fails to evaluate, or has side effects.
+
+ 'assume (R)' is a directive from the programmer telling the
+ compiler that R is true so the compiler needn't generate code to
+ test R. This is why 'assume' is in verify.h: it's related to
+ static checking (in this case, static checking done by the
+ programmer), not dynamic checking.
+
+ 'assume (R)' can affect compilation of all the code, not just code
+ that happens to be executed after the assume (R) is "executed".
+ For example, if the code mistakenly does 'assert (R); assume (R);'
+ the compiler is entitled to optimize away the 'assert (R)'.
+
+ Although assuming R can help a compiler generate better code or
+ diagnostics, performance can suffer if R uses hard-to-optimize
+ features such as function calls not inlined by the compiler. */
#if _GL_HAS_BUILTIN_UNREACHABLE
# define assume(R) ((R) ? (void) 0 : __builtin_unreachable ())
diff --git a/m4/getrandom.m4 b/m4/getrandom.m4
new file mode 100644
index 00000000000..37fb10023a0
--- /dev/null
+++ b/m4/getrandom.m4
@@ -0,0 +1,64 @@
+# getrandom.m4 serial 5
+dnl Copyright 2020 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl Written by Paul Eggert.
+
+AC_DEFUN([gl_FUNC_GETRANDOM],
+[
+ AC_REQUIRE([gl_SYS_RANDOM_H_DEFAULTS])
+ AC_CHECK_FUNCS_ONCE([getrandom])
+ if test "$ac_cv_func_getrandom" != yes; then
+ HAVE_GETRANDOM=0
+ else
+ dnl On Solaris 11.4 the return type is 'int', not 'ssize_t'.
+ AC_CACHE_CHECK([whether getrandom is compatible with its GNU+BSD signature],
+ [gl_cv_func_getrandom_ok],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[/* Additional includes are needed before <sys/random.h> on Mac OS X. */
+ #include <sys/types.h>
+ #include <stdlib.h>
+ #include <sys/random.h>
+ ssize_t getrandom (void *, size_t, unsigned int);
+ ]],
+ [[]])
+ ],
+ [gl_cv_func_getrandom_ok=yes],
+ [gl_cv_func_getrandom_ok=no])
+ ])
+ if test $gl_cv_func_getrandom_ok = no; then
+ REPLACE_GETRANDOM=1
+ fi
+ fi
+
+ case "$host_os" in
+ mingw*)
+ AC_CACHE_CHECK([whether the bcrypt library is guaranteed to be present],
+ [gl_cv_lib_assume_bcrypt],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <windows.h>]],
+ [[#if !(_WIN32_WINNT >= _WIN32_WINNT_WIN7)
+ cannot assume it
+ #endif
+ ]])
+ ],
+ [gl_cv_lib_assume_bcrypt=yes],
+ [gl_cv_lib_assume_bcrypt=no])
+ ])
+ if test $gl_cv_lib_assume_bcrypt = yes; then
+ AC_DEFINE([HAVE_LIB_BCRYPT], [1],
+ [Define to 1 if the bcrypt library is guaranteed to be present.])
+ LIB_GETRANDOM='-lbcrypt'
+ else
+ LIB_GETRANDOM='-ladvapi32'
+ fi
+ ;;
+ *)
+ LIB_GETRANDOM= ;;
+ esac
+ AC_SUBST([LIB_GETRANDOM])
+])
diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4
index 37170247884..1dc50a4a95c 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -53,6 +53,7 @@ AC_DEFUN([gl_EARLY],
# Code from module byteswap:
# Code from module c-ctype:
# Code from module c-strcase:
+ # Code from module c99:
# Code from module canonicalize-lgpl:
# Code from module careadlinkat:
# Code from module clock-time:
@@ -102,6 +103,7 @@ AC_DEFUN([gl_EARLY],
# Code from module getloadavg:
# Code from module getopt-gnu:
# Code from module getopt-posix:
+ # Code from module getrandom:
# Code from module gettext-h:
# Code from module gettime:
# Code from module gettimeofday:
@@ -163,6 +165,7 @@ AC_DEFUN([gl_EARLY],
# Code from module strtoimax:
# Code from module strtoll:
# Code from module symlink:
+ # Code from module sys_random:
# Code from module sys_select:
# Code from module sys_stat:
# Code from module sys_time:
@@ -324,6 +327,11 @@ AC_DEFUN([gl_INIT],
fi
AC_SUBST([GNULIB_GL_UNISTD_H_GETOPT])
gl_UNISTD_MODULE_INDICATOR([getopt-posix])
+ gl_FUNC_GETRANDOM
+ if test $HAVE_GETRANDOM = 0 || test $REPLACE_GETRANDOM = 1; then
+ AC_LIBOBJ([getrandom])
+ fi
+ gl_SYS_RANDOM_MODULE_INDICATOR([getrandom])
gl_GETTIME
gl_FUNC_GETTIMEOFDAY
if test $HAVE_GETTIMEOFDAY = 0 || test $REPLACE_GETTIMEOFDAY = 1; then
@@ -334,6 +342,7 @@ AC_DEFUN([gl_INIT],
gl_IEEE754_H
gl_INTTYPES_INCOMPLETE
AC_REQUIRE([gl_LARGEFILE])
+ gl___INLINE
gl_LIMITS_H
gl_FUNC_LSTAT
if test $REPLACE_LSTAT = 1; then
@@ -374,6 +383,12 @@ AC_DEFUN([gl_INIT],
gl_TIME_MODULE_INDICATOR([mktime])
gl_MULTIARCH
gl_FUNC_GNU_STRFTIME
+ gl_FUNC_OPEN
+ if test $REPLACE_OPEN = 1; then
+ AC_LIBOBJ([open])
+ gl_PREREQ_OPEN
+ fi
+ gl_FCNTL_MODULE_INDICATOR([open])
gl_PATHMAX
gl_FUNC_PIPE2
gl_UNISTD_MODULE_INDICATOR([pipe2])
@@ -443,6 +458,8 @@ AC_DEFUN([gl_INIT],
AC_LIBOBJ([symlink])
fi
gl_UNISTD_MODULE_INDICATOR([symlink])
+ gl_HEADER_SYS_RANDOM
+ AC_PROG_MKDIR_P
AC_REQUIRE([gl_HEADER_SYS_SELECT])
AC_PROG_MKDIR_P
gl_HEADER_SYS_STAT_H
@@ -489,11 +506,9 @@ AC_DEFUN([gl_INIT],
gl_gnulib_enabled_be453cec5eecf5731a274f2de7f2db36=false
gl_gnulib_enabled_a9786850e999ae65a836a6041e8e5ed1=false
gl_gnulib_enabled_lchmod=false
- gl_gnulib_enabled_21ee726a3540c09237a8e70c0baf7467=false
gl_gnulib_enabled_2049e887c7e5308faad27b3f894bb8c9=false
gl_gnulib_enabled_malloca=false
gl_gnulib_enabled_5264294aa0a5557541b53c8c741f7f31=false
- gl_gnulib_enabled_open=false
gl_gnulib_enabled_03e0aaad4cb89ca757653bd367a6ccb7=false
gl_gnulib_enabled_6099e9737f757db36c47fa9d9f02e88c=false
gl_gnulib_enabled_strtoll=false
@@ -503,7 +518,6 @@ AC_DEFUN([gl_INIT],
{
if ! $gl_gnulib_enabled_260941c0e5dc67ec9e87d1fb321c300b; then
gl_gnulib_enabled_260941c0e5dc67ec9e87d1fb321c300b=true
- func_gl_gnulib_m4code_open
fi
}
func_gl_gnulib_m4code_cloexec ()
@@ -603,13 +617,6 @@ AC_DEFUN([gl_INIT],
gl_gnulib_enabled_lchmod=true
fi
}
- func_gl_gnulib_m4code_21ee726a3540c09237a8e70c0baf7467 ()
- {
- if ! $gl_gnulib_enabled_21ee726a3540c09237a8e70c0baf7467; then
- gl___INLINE
- gl_gnulib_enabled_21ee726a3540c09237a8e70c0baf7467=true
- fi
- }
func_gl_gnulib_m4code_2049e887c7e5308faad27b3f894bb8c9 ()
{
if ! $gl_gnulib_enabled_2049e887c7e5308faad27b3f894bb8c9; then
@@ -637,21 +644,6 @@ AC_DEFUN([gl_INIT],
gl_gnulib_enabled_5264294aa0a5557541b53c8c741f7f31=true
fi
}
- func_gl_gnulib_m4code_open ()
- {
- if ! $gl_gnulib_enabled_open; then
- gl_FUNC_OPEN
- if test $REPLACE_OPEN = 1; then
- AC_LIBOBJ([open])
- gl_PREREQ_OPEN
- fi
- gl_FCNTL_MODULE_INDICATOR([open])
- gl_gnulib_enabled_open=true
- if test $REPLACE_OPEN = 1; then
- func_gl_gnulib_m4code_cloexec
- fi
- fi
- }
func_gl_gnulib_m4code_03e0aaad4cb89ca757653bd367a6ccb7 ()
{
if ! $gl_gnulib_enabled_03e0aaad4cb89ca757653bd367a6ccb7; then
@@ -734,8 +726,8 @@ AC_DEFUN([gl_INIT],
if test $NEED_LOCALTIME_BUFFER = 1; then
func_gl_gnulib_m4code_2049e887c7e5308faad27b3f894bb8c9
fi
- if test $REPLACE_MKTIME = 1; then
- func_gl_gnulib_m4code_21ee726a3540c09237a8e70c0baf7467
+ if test $REPLACE_OPEN = 1; then
+ func_gl_gnulib_m4code_cloexec
fi
if test $HAVE_READLINKAT = 0; then
func_gl_gnulib_m4code_260941c0e5dc67ec9e87d1fb321c300b
@@ -743,9 +735,6 @@ AC_DEFUN([gl_INIT],
if test $HAVE_READLINKAT = 0; then
func_gl_gnulib_m4code_03e0aaad4cb89ca757653bd367a6ccb7
fi
- if test $ac_use_included_regex = yes; then
- func_gl_gnulib_m4code_21ee726a3540c09237a8e70c0baf7467
- fi
if { test $HAVE_DECL_STRTOIMAX = 0 || test $REPLACE_STRTOIMAX = 1; } && test $ac_cv_type_long_long_int = yes; then
func_gl_gnulib_m4code_strtoll
fi
@@ -771,11 +760,9 @@ AC_DEFUN([gl_INIT],
AM_CONDITIONAL([gl_GNULIB_ENABLED_be453cec5eecf5731a274f2de7f2db36], [$gl_gnulib_enabled_be453cec5eecf5731a274f2de7f2db36])
AM_CONDITIONAL([gl_GNULIB_ENABLED_a9786850e999ae65a836a6041e8e5ed1], [$gl_gnulib_enabled_a9786850e999ae65a836a6041e8e5ed1])
AM_CONDITIONAL([gl_GNULIB_ENABLED_lchmod], [$gl_gnulib_enabled_lchmod])
- AM_CONDITIONAL([gl_GNULIB_ENABLED_21ee726a3540c09237a8e70c0baf7467], [$gl_gnulib_enabled_21ee726a3540c09237a8e70c0baf7467])
AM_CONDITIONAL([gl_GNULIB_ENABLED_2049e887c7e5308faad27b3f894bb8c9], [$gl_gnulib_enabled_2049e887c7e5308faad27b3f894bb8c9])
AM_CONDITIONAL([gl_GNULIB_ENABLED_malloca], [$gl_gnulib_enabled_malloca])
AM_CONDITIONAL([gl_GNULIB_ENABLED_5264294aa0a5557541b53c8c741f7f31], [$gl_gnulib_enabled_5264294aa0a5557541b53c8c741f7f31])
- AM_CONDITIONAL([gl_GNULIB_ENABLED_open], [$gl_gnulib_enabled_open])
AM_CONDITIONAL([gl_GNULIB_ENABLED_03e0aaad4cb89ca757653bd367a6ccb7], [$gl_gnulib_enabled_03e0aaad4cb89ca757653bd367a6ccb7])
AM_CONDITIONAL([gl_GNULIB_ENABLED_6099e9737f757db36c47fa9d9f02e88c], [$gl_gnulib_enabled_6099e9737f757db36c47fa9d9f02e88c])
AM_CONDITIONAL([gl_GNULIB_ENABLED_strtoll], [$gl_gnulib_enabled_strtoll])
@@ -1004,6 +991,7 @@ AC_DEFUN([gl_FILE_LIST], [
lib/getopt.in.h
lib/getopt1.c
lib/getopt_int.h
+ lib/getrandom.c
lib/gettext.h
lib/gettime.c
lib/gettimeofday.c
@@ -1076,6 +1064,7 @@ AC_DEFUN([gl_FILE_LIST], [
lib/strtol.c
lib/strtoll.c
lib/symlink.c
+ lib/sys_random.in.h
lib/sys_select.in.h
lib/sys_stat.in.h
lib/sys_time.in.h
@@ -1144,6 +1133,7 @@ AC_DEFUN([gl_FILE_LIST], [
m4/getgroups.m4
m4/getloadavg.m4
m4/getopt.m4
+ m4/getrandom.m4
m4/gettime.m4
m4/gettimeofday.m4
m4/gl-openssl.m4
@@ -1205,6 +1195,7 @@ AC_DEFUN([gl_FILE_LIST], [
m4/strtoimax.m4
m4/strtoll.m4
m4/symlink.m4
+ m4/sys_random_h.m4
m4/sys_select_h.m4
m4/sys_socket_h.m4
m4/sys_stat_h.m4
diff --git a/m4/memmem.m4 b/m4/memmem.m4
index e034d7bd775..35a5bb19d1a 100644
--- a/m4/memmem.m4
+++ b/m4/memmem.m4
@@ -1,4 +1,4 @@
-# memmem.m4 serial 26
+# memmem.m4 serial 27
dnl Copyright (C) 2002-2004, 2007-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -37,7 +37,7 @@ AC_DEFUN([gl_FUNC_MEMMEM_SIMPLE],
/* Check for empty needle behavior. */
{
const char *haystack = "AAA";
- if (memmem (haystack, 3, NULL, 0) != haystack)
+ if (memmem (haystack, 3, (const char *) 1, 0) != haystack)
result |= 2;
}
return result;
diff --git a/m4/regex.m4 b/m4/regex.m4
index 65f518582c1..e723f591216 100644
--- a/m4/regex.m4
+++ b/m4/regex.m4
@@ -1,4 +1,4 @@
-# serial 69
+# serial 70
# Copyright (C) 1996-2001, 2003-2020 Free Software Foundation, Inc.
#
@@ -90,11 +90,14 @@ AC_DEFUN([gl_REGEX],
s = re_compile_pattern (pat, sizeof pat - 1, &regex);
if (s)
result |= 1;
- else if (re_search (&regex, data, sizeof data - 1,
- 0, sizeof data - 1, &regs)
- != -1)
- result |= 1;
- regfree (&regex);
+ else
+ {
+ if (re_search (&regex, data, sizeof data - 1,
+ 0, sizeof data - 1, &regs)
+ != -1)
+ result |= 1;
+ regfree (&regex);
+ }
}
{
@@ -125,8 +128,8 @@ AC_DEFUN([gl_REGEX],
0, sizeof data - 1, 0);
if (i != 0 && i != 21)
result |= 1;
+ regfree (&regex);
}
- regfree (&regex);
}
if (! setlocale (LC_ALL, "C"))
@@ -139,9 +142,13 @@ AC_DEFUN([gl_REGEX],
s = re_compile_pattern ("a[^x]b", 6, &regex);
if (s)
result |= 2;
- /* This should fail, but succeeds for glibc-2.5. */
- else if (re_search (&regex, "a\nb", 3, 0, 3, &regs) != -1)
- result |= 2;
+ else
+ {
+ /* This should fail, but succeeds for glibc-2.5. */
+ if (re_search (&regex, "a\nb", 3, 0, 3, &regs) != -1)
+ result |= 2;
+ regfree (&regex);
+ }
/* This regular expression is from Spencer ere test number 75
in grep-2.3. */
@@ -153,7 +160,10 @@ AC_DEFUN([gl_REGEX],
s = re_compile_pattern ("a[[:@:>@:]]b\n", 11, &regex);
/* This should fail with _Invalid character class name_ error. */
if (!s)
- result |= 4;
+ {
+ result |= 4;
+ regfree (&regex);
+ }
/* Ensure that [b-a] is diagnosed as invalid, when
using RE_NO_EMPTY_RANGES. */
@@ -161,13 +171,18 @@ AC_DEFUN([gl_REGEX],
memset (&regex, 0, sizeof regex);
s = re_compile_pattern ("a[b-a]", 6, &regex);
if (s == 0)
- result |= 8;
+ {
+ result |= 8;
+ regfree (&regex);
+ }
/* This should succeed, but does not for glibc-2.1.3. */
memset (&regex, 0, sizeof regex);
s = re_compile_pattern ("{1", 2, &regex);
if (s)
result |= 8;
+ else
+ regfree (&regex);
/* The following example is derived from a problem report
against gawk from Jorge Stolfi <stolfi@ic.unicamp.br>. */
@@ -175,17 +190,35 @@ AC_DEFUN([gl_REGEX],
s = re_compile_pattern ("[an\371]*n", 7, &regex);
if (s)
result |= 8;
- /* This should match, but does not for glibc-2.2.1. */
- else if (re_match (&regex, "an", 2, 0, &regs) != 2)
- result |= 8;
+ else
+ {
+ /* This should match, but does not for glibc-2.2.1. */
+ if (re_match (&regex, "an", 2, 0, &regs) != 2)
+ result |= 8;
+ else
+ {
+ free (regs.start);
+ free (regs.end);
+ }
+ regfree (&regex);
+ }
memset (&regex, 0, sizeof regex);
s = re_compile_pattern ("x", 1, &regex);
if (s)
result |= 8;
- /* glibc-2.2.93 does not work with a negative RANGE argument. */
- else if (re_search (&regex, "wxy", 3, 2, -2, &regs) != 1)
- result |= 8;
+ else
+ {
+ /* glibc-2.2.93 does not work with a negative RANGE argument. */
+ if (re_search (&regex, "wxy", 3, 2, -2, &regs) != 1)
+ result |= 8;
+ else
+ {
+ free (regs.start);
+ free (regs.end);
+ }
+ regfree (&regex);
+ }
/* The version of regex.c in older versions of gnulib
ignored RE_ICASE. Detect that problem too. */
@@ -194,8 +227,17 @@ AC_DEFUN([gl_REGEX],
s = re_compile_pattern ("x", 1, &regex);
if (s)
result |= 16;
- else if (re_search (&regex, "WXY", 3, 0, 3, &regs) < 0)
- result |= 16;
+ else
+ {
+ if (re_search (&regex, "WXY", 3, 0, 3, &regs) < 0)
+ result |= 16;
+ else
+ {
+ free (regs.start);
+ free (regs.end);
+ }
+ regfree (&regex);
+ }
/* Catch a bug reported by Vin Shelton in
https://lists.gnu.org/r/bug-coreutils/2007-06/msg00089.html
@@ -207,6 +249,8 @@ AC_DEFUN([gl_REGEX],
s = re_compile_pattern ("[[:alnum:]_-]\\\\+$", 16, &regex);
if (s)
result |= 32;
+ else
+ regfree (&regex);
/* REG_STARTEND was added to glibc on 2004-01-15.
Reject older versions. */
@@ -221,8 +265,14 @@ AC_DEFUN([gl_REGEX],
re_set_syntax (RE_SYNTAX_POSIX_EGREP);
memset (&regex, 0, sizeof regex);
s = re_compile_pattern ("0|()0|\\1|0", 10, &regex);
- if (!s || strcmp (s, "Invalid back reference"))
+ if (!s)
result |= 64;
+ else
+ {
+ if (strcmp (s, "Invalid back reference"))
+ result |= 64;
+ regfree (&regex);
+ }
#if 0
/* It would be nice to reject hosts whose regoff_t values are too
diff --git a/m4/sys_random_h.m4 b/m4/sys_random_h.m4
new file mode 100644
index 00000000000..a964b157841
--- /dev/null
+++ b/m4/sys_random_h.m4
@@ -0,0 +1,52 @@
+# sys_random_h.m4 serial 4
+dnl Copyright (C) 2020 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_HEADER_SYS_RANDOM],
+[
+ AC_REQUIRE([gl_SYS_RANDOM_H_DEFAULTS])
+ dnl <sys/random.h> is always overridden, because of GNULIB_POSIXCHECK.
+ gl_CHECK_NEXT_HEADERS([sys/random.h])
+ if test $ac_cv_header_sys_random_h = yes; then
+ HAVE_SYS_RANDOM_H=1
+ else
+ HAVE_SYS_RANDOM_H=0
+ fi
+ AC_SUBST([HAVE_SYS_RANDOM_H])
+
+ m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])])
+ if test $ac_cv_header_sys_random_h = yes; then
+ UNISTD_H_HAVE_SYS_RANDOM_H=1
+ fi
+
+ dnl Check for declarations of anything we want to poison if the
+ dnl corresponding gnulib module is not in use.
+ gl_WARN_ON_USE_PREPARE([[
+#if HAVE_SYS_RANDOM_H
+/* Additional includes are needed before <sys/random.h> on Mac OS X. */
+# include <sys/types.h>
+# include <stdlib.h>
+# include <sys/random.h>
+#endif
+ ]],
+ [getrandom])
+])
+
+AC_DEFUN([gl_SYS_RANDOM_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_SYS_RANDOM_H_DEFAULTS])
+ gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+ dnl Define it also as a C macro, for the benefit of the unit tests.
+ gl_MODULE_INDICATOR_FOR_TESTS([$1])
+])
+
+AC_DEFUN([gl_SYS_RANDOM_H_DEFAULTS],
+[
+ GNULIB_GETRANDOM=0; AC_SUBST([GNULIB_GETRANDOM])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_GETRANDOM=1; AC_SUBST([HAVE_GETRANDOM])
+ REPLACE_GETRANDOM=0; AC_SUBST([REPLACE_GETRANDOM])
+])
diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4
index e776f3bd445..dfa38f85d60 100644
--- a/m4/unistd_h.m4
+++ b/m4/unistd_h.m4
@@ -1,4 +1,4 @@
-# unistd_h.m4 serial 78
+# unistd_h.m4 serial 80
dnl Copyright (C) 2006-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -43,7 +43,7 @@ AC_DEFUN([gl_UNISTD_H],
#endif
]], [access chdir chown dup dup2 dup3 environ euidaccess faccessat fchdir
fchownat fdatasync fsync ftruncate getcwd getdomainname getdtablesize
- getgroups gethostname getlogin getlogin_r getpagesize getpass
+ getentropy getgroups gethostname getlogin getlogin_r getpagesize getpass
getusershell setusershell endusershell
group_member isatty lchown link linkat lseek pipe pipe2 pread pwrite
readlink readlinkat rmdir sethostname sleep symlink symlinkat
@@ -82,6 +82,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS],
GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME])
GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE])
+ GNULIB_GETENTROPY=0; AC_SUBST([GNULIB_GETENTROPY])
GNULIB_GETGROUPS=0; AC_SUBST([GNULIB_GETGROUPS])
GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME])
GNULIB_GETLOGIN=0; AC_SUBST([GNULIB_GETLOGIN])
@@ -129,6 +130,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS],
HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE])
+ HAVE_GETENTROPY=1; AC_SUBST([HAVE_GETENTROPY])
HAVE_GETGROUPS=1; AC_SUBST([HAVE_GETGROUPS])
HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME])
HAVE_GETLOGIN=1; AC_SUBST([HAVE_GETLOGIN])
@@ -198,6 +200,7 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS],
REPLACE_UNLINKAT=0; AC_SUBST([REPLACE_UNLINKAT])
REPLACE_USLEEP=0; AC_SUBST([REPLACE_USLEEP])
REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE])
+ UNISTD_H_HAVE_SYS_RANDOM_H=0; AC_SUBST([UNISTD_H_HAVE_SYS_RANDOM_H])
UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS=0;
AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS])
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-10 07:24:41 +0000