+2011-05-29 Paul Eggert <eggert@cs.ucla.edu>
+
+ assert-h: work around 'verify' incompatibility
+ * lib/verify.h: Use @...@ directives, not ifdef.
+ * modules/assert-h (assert.h): Implement the directives.
+
+2011-05-29 Jim Meyering <meyering@redhat.com>
+
+ trim: remove three superfluous assignments
+ * lib/trim.c (trim2): Remove three superfluous assignments
+ and correct brace positioning.
+
+2011-05-29 Bruno Haible <bruno@clisp.org>
+
+ wctype-h: Avoid namespace pollution on Solaris 2.6.
+ * lib/wctype.in.h: On Solaris, undefine 'multibyte' and a few other
+ identifiers.
+ * doc/posix-headers/wctype.texi: Mention the problem.
+ Reported by Tom G. Christensen <tgc@jupiterrise.com>.
+
+2011-05-28 Jim Meyering <meyering@redhat.com>
+
+ parse-datetime.y: accommodate -Wstrict-overflow
+ * lib/parse-datetime.y (yylex): Rearrange pointer arithmetic to
+ placate -Wstrict-overflow.
+
+ trim: avoid a warning from -O2 -Wstrict-overflow
+ * lib/trim.c (trim2): Declare local to be "unsigned int", not "int".
+
+2011-05-29 Bruno Haible <bruno@clisp.org>
+
+ gnulib-tool: Fix bug in yesterday's commit.
+ * gnulib-tool (func_create_testdir): Don't add gltests to $subdirs
+ twice.
+
+2011-05-29 Bruno Haible <bruno@clisp.org>
+
+ Allow multiple gnulib generated include files to be combined.
+ * gnulib-tool (func_compute_include_guard_prefix): New function.
+ (func_emit_lib_Makefile_am, func_emit_tests_Makefile_am): Resolve also
+ ${gl_include_guard_prefix} references.
+ (func_import, func_create_testdir): Invoke
+ func_compute_include_guard_prefix.
+ * lib/arpa_inet.in.h: Use the @GUARD_PREFIX@ placeholder.
+ * lib/ctype.in.h: Likewise.
+ * lib/dirent.in.h: Likewise.
+ * lib/errno.in.h: Likewise.
+ * lib/fcntl.in.h: Likewise.
+ * lib/float.in.h: Likewise.
+ * lib/getopt.in.h: Likewise.
+ * lib/iconv.in.h: Likewise.
+ * lib/langinfo.in.h: Likewise.
+ * lib/locale.in.h: Likewise.
+ * lib/math.in.h: Likewise.
+ * lib/netdb.in.h: Likewise.
+ * lib/netinet_in.in.h: Likewise.
+ * lib/poll.in.h: Likewise.
+ * lib/pthread.in.h: Likewise.
+ * lib/pty.in.h: Likewise.
+ * lib/sched.in.h: Likewise.
+ * lib/se-selinux.in.h: Likewise.
+ * lib/search.in.h: Likewise.
+ * lib/signal.in.h: Likewise.
+ * lib/spawn.in.h: Likewise.
+ * lib/stdarg.in.h: Likewise.
+ * lib/stddef.in.h: Likewise.
+ * lib/stdint.in.h: Likewise.
+ * lib/stdio.in.h: Likewise.
+ * lib/stdlib.in.h: Likewise.
+ * lib/string.in.h: Likewise.
+ * lib/strings.in.h: Likewise.
+ * lib/sys_file.in.h: Likewise.
+ * lib/sys_ioctl.in.h: Likewise.
+ * lib/sys_select.in.h: Likewise.
+ * lib/sys_socket.in.h: Likewise.
+ * lib/sys_stat.in.h: Likewise.
+ * lib/sys_time.in.h: Likewise.
+ * lib/sys_times.in.h: Likewise.
+ * lib/sys_uio.in.h: Likewise.
+ * lib/sys_utsname.in.h: Likewise.
+ * lib/sys_wait.in.h: Likewise.
+ * lib/sysexits.in.h: Likewise.
+ * lib/termios.in.h: Likewise.
+ * lib/time.in.h: Likewise.
+ * lib/unistd.in.h: Likewise.
+ * lib/wchar.in.h: Likewise.
+ * lib/wctype.in.h: Likewise.
+ * modules/arpa_inet (Makefile.am): Substitute @GUARD_PREFIX@.
+ * modules/ctype (Makefile.am): Likewise.
+ * modules/dirent (Makefile.am): Likewise.
+ * modules/errno (Makefile.am): Likewise.
+ * modules/fcntl-h (Makefile.am): Likewise.
+ * modules/float (Makefile.am): Likewise.
+ * modules/getopt-posix (Makefile.am): Likewise.
+ * modules/iconv-h (Makefile.am): Likewise.
+ * modules/langinfo (Makefile.am): Likewise.
+ * modules/locale (Makefile.am): Likewise.
+ * modules/math (Makefile.am): Likewise.
+ * modules/netdb (Makefile.am): Likewise.
+ * modules/netinet_in (Makefile.am): Likewise.
+ * modules/poll-h (Makefile.am): Likewise.
+ * modules/pthread (Makefile.am): Likewise.
+ * modules/pty (Makefile.am): Likewise.
+ * modules/sched (Makefile.am): Likewise.
+ * modules/search (Makefile.am): Likewise.
+ * modules/selinux-h (Makefile.am): Likewise.
+ * modules/signal (Makefile.am): Likewise.
+ * modules/spawn (Makefile.am): Likewise.
+ * modules/stdarg (Makefile.am): Likewise.
+ * modules/stddef (Makefile.am): Likewise.
+ * modules/stdint (Makefile.am): Likewise.
+ * modules/stdio (Makefile.am): Likewise.
+ * modules/stdlib (Makefile.am): Likewise.
+ * modules/string (Makefile.am): Likewise.
+ * modules/strings (Makefile.am): Likewise.
+ * modules/sys_file (Makefile.am): Likewise.
+ * modules/sys_ioctl (Makefile.am): Likewise.
+ * modules/sys_select (Makefile.am): Likewise.
+ * modules/sys_socket (Makefile.am): Likewise.
+ * modules/sys_stat (Makefile.am): Likewise.
+ * modules/sys_time (Makefile.am): Likewise.
+ * modules/sys_times (Makefile.am): Likewise.
+ * modules/sys_uio (Makefile.am): Likewise.
+ * modules/sys_utsname (Makefile.am): Likewise.
+ * modules/sys_wait (Makefile.am): Likewise.
+ * modules/sysexits (Makefile.am): Likewise.
+ * modules/termios (Makefile.am): Likewise.
+ * modules/time (Makefile.am): Likewise.
+ * modules/unistd (Makefile.am): Likewise.
+ * modules/wchar (Makefile.am): Likewise.
+ * modules/wctype-h (Makefile.am): Likewise.
+ * modules/assert-h (Makefile.am): Replace _GL_VERIFY_H specially.
+
+2011-05-29 Bruno Haible <bruno@clisp.org>
+
+ assert-h: Allow multiple gnulib generated replacements to coexist.
+ * lib/verify.h (struct _gl_verify_type): Avoid identical redefinition.
+
+2011-05-29 Bruno Haible <bruno@clisp.org>
+
+ argp: Allow coexistence with strerror_r-posix module.
+ * lib/argp-help.c (__argp_failure): If strerror_r is defined as a macro
+ (either to __xpg_strerror_r by glibc's <string.h> or to rpl_strerror_r
+ by gnulib's <string.h> replacement), assume it has the POSIX signature,
+ not the glibc signature.
+
+2011-05-28 Bruno Haible <bruno@clisp.org>
+
+ gnulib-tool: Alternative structure of testdirs, similar to --import.
+ * gnulib-tool: New option --single-configure.
+ (func_usage): Document it.
+ (single_configure): New variable.
+ (func_modules_transitive_closure_separately,
+ func_modules_transitive_closure_separately,
+ func_determine_use_libtests, func_modules_add_dummy_separately,
+ func_modules_to_filelist_separately): New functions, extracted from
+ func_import.
+ (func_emit_tests_Makefile_am): Handle $single_configure = true case.
+ (func_import): Use the new functions.
+ (func_create_testdir): Set final_modules. Handle $single_configure =
+ true case.
+
+2011-05-28 Bruno Haible <bruno@clisp.org>
+
+ getloadavg: Remove an unreliable safety check.
+ * m4/getloadavg.m4 (gl_GETLOADAVG): Drop argument. Remove test whether
+ getloadavg.c is in place.
+ * modules/getloadavg (configure.ac): Drop argument of gl_GETLOADAVG.
+ Reported by Sam Steingold <sds@gnu.org>.
+
+2011-05-28 Bruno Haible <bruno@clisp.org>
+
+ doc: Cleanup yet another file produced by texinfo.tex.
+ * doc/Makefile (mostlyclean): Remove also gnulib.cn.
+
+2011-05-28 Bruno Haible <bruno@clisp.org>
+
+ Finish the conditional dependencies mechanism.
+ * gnulib-tool: New option --no-conditional-dependencies.
+ (func_usage): Document it. Don't mark --conditional-dependencies as
+ experimental.
+ (cond_dependencies): The possible values can now be true, false, empty.
+ (func_modules_transitive_closure, func_emit_autoconf_snippets): Update.
+ (func_import): Store setting in gnulib-cache.m4 and read it from there.
+ * doc/gnulib-tool.texi (Conditional dependencies): New section.
+
+2011-05-28 Bruno Haible <bruno@clisp.org>
+
+ doc: Use a recent texinfo.tex.
+ * doc/Makefile (tex_opts): New variable.
+ (%.dvi, %.pdf): Pass it to texi2dvi and texi2pdf.
+
+2011-05-28 Jim Meyering <meyering@redhat.com>
+
+ intprops.h: adjust comment to match code change
+ * lib/intprops.h (_GL_INT_CONVERT): Adjust comment: now that E is used
+ only once, it *may* have side effects. Also fix an unrelated typo.
+ (_GL_INT_SIGNED): Likewise.
+
+2011-05-26 Simon Josefsson <simon@josefsson.org>
+
+ * lib/gen-uni-tables.c: Say "gen-uni-tables.c" consistently.
+
+2011-05-26 Bruno Haible <bruno@clisp.org>
+
+ mbsrchr: Avoid collision with system function on Interix.
+ * lib/string.in.h (mbsrchr): Define as rpl_mbsrchr also on Interix.
+ Reported by Markus Duft <mduft@gentoo.org>.
+
+2011-05-15 James Youngman <jay@gnu.org>
+
+ getopt: for ambiguous options, enumerate the possibilities.
+ * lib/getopt.c (_getopt_internal_r): Merge glibc change printing
+ the ambiguous options when an ambiguous prefix is given. This was
+ http://sourceware.org/bugzilla/show_bug.cgi?id=7101. The merged
+ glibc change was
+ http://sourceware.org/git/?p=glibc.git;a=commit;h=bd25564e1e98910ed69043ed6a6f884ce60e5780.
+
+2011-05-25 Eric Blake <eblake@redhat.com>
+
+ getcwd: work around mingw bug
+ * lib/getcwd-lgpl.c (rpl_getcwd): Guarantee correct error.
+ * doc/posix-functions/getcwd.texi (getcwd): Document it.
+ Reported by Matthias Bolte.
+
+2011-05-24 Paul Eggert <eggert@cs.ucla.edu>
+
+ test-intprops: disable -Wtype-limits diagnostics
+ * tests/test-intprops.c: Use a pragma to ignore -Wtype-limits
+ diagnostics. Otherwise, the integer overflow macros generate many
+ diagnostics. Reported by Jim Meyering in
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00528.html>.
+
+ intprops: shorten, to pacify gcc -Woverlength-strings
+ * lib/intprops.h (_GL_INT_CONVERT, _GL_INT_NEGATE_CONVERT):
+ (_GL_BINARY_OP_OVERFLOW): Say "0 * (x)" rather than "(x) - (x)",
+ so that, for example, verify (INT_MULTIPLY_OVERFLOW (...)) is less
+ likely to run afoul of C compiler limits for string constant lengths.
+ See <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00528.html>.
+
+2011-05-24 Eric Blake <eblake@redhat.com>
+
+ docs: document recently fixed glibc printf bug
+ * doc/posix-functions/fprintf.texi (fprintf): Document it.
+ * doc/posix-functions/printf.texi (printf): Likewise.
+ * doc/posix-functions/vfprintf.texi (vfprintf): Likewise.
+ * doc/posix-functions/vprintf.texi (vprintf): Likewise.
+
+ closein-tests: convert to init.sh
+ * modules/closein-tests (Files): Add init.sh
+ * tests/test-closein.sh Use it.
+
+ yesno-tests: convert to init.sh
+ * modules/yesno-tests (Files): Add init.sh.
+ * tests/test-yesno.sh: Use it.
+
+ atexit-tests: ensure reliable exit status
+ * tests/test-atexit.sh: Prefer 'Exit' over 'exit'.
+ Reported by Bruno Haible.
+
+2011-05-24 Bruno Haible <bruno@clisp.org>
+
+ strerror_r-posix: Respect rules for use of AC_LIBOBJ.
+ * m4/strerror_r.m4 (gl_FUNC_STRERROR_R): Move AC_LIBOBJ and
+ gl_PREREQ_STRERROR_R invocations from here...
+ * modules/strerror_r-posix (configure.ac): ... to here.
+
+2011-05-24 Eric Blake <eblake@redhat.com>
+
+ strerror_r: fix missing header
+ * lib/strerror_r.c: Avoid compiler warning about snprintf.
+
+ strerror_r: fix AIX test failures
+ * lib/strerror_r.c (strerror_r): Convert silent truncation to
+ ERANGE failure.
+
+ strerror_r: fix Solaris test failures
+ * lib/strerror_r.c (strerror_r): Partially populate buf on ERANGE
+ failures.
+ * doc/posix-functions/strerror_r.texi (strerror_r): Document this.
+
+ strerror_r: enforce POSIX recommendations
+ * lib/strerror_r.c (safe_copy): New helper method.
+ (strerror_r): Guarantee a non-empty string.
+ * tests/test-strerror_r.c (main): Enhance tests to incorporate
+ recent POSIX rulings and to match our strerror guarantees.
+ * doc/posix-functions/strerror_r.texi (strerror_r): Document this.
+
+2011-05-24 Jim Meyering <meyering@redhat.com>
+
+ test-perror2.c: avoid warning about unused variable
+ * tests/test-perror2.c (main): Remove declaration of unused "fp".
+
+2011-05-24 Eric Blake <eblake@redhat.com>
+
+ perror: avoid spurious test failure on HP-UX
+ * tests/test-perror.sh: Use Exit to avoid wrong exit status.
+
+ tests: fix logic bug in init.sh
+ * tests/init.sh: (gl_set_x_corrupts_stderr_): Clear for successful
+ shell.
+
+2011-05-24 Jim Meyering <meyering@redhat.com>
+
+ utimensat: do not reference an out-of-scope buffer
+ Otherwise, with __linux__ defined, "times" would point to a buffer, "ts"
+ declared in an inner scope, yet "times" would be dereferenced outside
+ the scope in which "ts" was valid.
+ * lib/utimensat.c (rpl_utimensat) [__linux__]: Move the declaration
+ of ts[2] "out/up", so that the use of aliased "times" (via
+ "times = ts;") does not end up referencing an out-of-scope "ts"
+
+ opendir-safer.c: don't clobber errno; don't close negative FD
+ * lib/opendir-safer.c (opendir_safer):
+ [HAVE_FDOPENDIR || GNULIB_FDOPENDIR]: Don't close a negative
+ file descriptor, and more importantly, don't clobber the
+ offending errno value with EINVAL. Before, upon failure
+ of dup_safer, we would pass the negative file descriptor to
+ fdopendir, which would clobber errno.
+
+2011-05-23 Bruno Haible <bruno@clisp.org>
+
+ idcache: Fix module description.
+ * modules/idcache (Include): Set to "idcache.h".
+
+2011-05-23 Paul Eggert <eggert@cs.ucla.edu>
+
+ gnulib-tool: fix portability problem with MacOS sed
+ A sed command like "/x/{s/a/b/}" is not portable; a newline is needed
+ before the "}". Problem reported by Leo in
+ <http://lists.gnu.org/archive/html/emacs-devel/2011-05/msg00717.html>.
+ * gnulib-tool (func_modules_transitive_closure): Insert newlines in
+ sed_extract_condition1, sed_extract_condition2.
+
+2011-05-23 Bruno Haible <bruno@clisp.org>
+
+ hash: Simplify autoconf macro.
+ * m4/hash.m4 (gl_HASH): Don't require AM_STDBOOL_H.
+
+2011-05-23 Bruno Haible <bruno@clisp.org>
+
+ getugroups: Fix module description.
+ * modules/getugroups (Include): Set to "getugroups.h".
+
+2011-05-23 Bruno Haible <bruno@clisp.org>
+
+ linkat: Simplify autoconf macro.
+ * m4/linkat.m4 (gl_FUNC_LINKAT): Don't require gl_FUNC_LINK.
+
+2011-05-23 Bruno Haible <bruno@clisp.org>
+ Eric Blake <eblake@redhat.com>
+
+ linkat, renameat: Update dependencies.
+ * modules/renameat (Depends-on): Add dosname, save-cwd. Remove stpcpy.
+ * modules/linkat (Depends-on): Likewise. Remove also readlink,
+ symlinkat.
+
+2011-05-23 Jim Meyering <meyering@redhat.com>
+
+ maint.mk: more tight_scope improvements
+ * top/maint.mk: (_gl_TS_var_match): Use $(_gl_TS_extern) here, too.
+ (_gl_TS_headers): Define only in if-0'd block.
+ (_gl_TS_dir): Omit the $(srcdir)/ prefix. Sometimes we need it,
+ sometimes we must *not* use it. Adjust uses accordingly.
+ (sc_tight_scope): Use much simpler grep-based test to determine
+ whether we skip this rule.
+
+ maint.mk: generalize/improve the tight-scope rule
+ * top/maint.mk: Emit a warning when the test is skipped.
+ (_gl_TS_dir): Add $(srcdir)/ prefix.
+ (_gl_TS_function_match): Simplify, rather than trying
+ to enumerate common types. Otherwise, it would fail to match an
+ "extern unsigned char const *" declaration in idutils.
+ (_gl_TS_extern): Do not endorse use of "XTERN", but do provide
+ a way to support use of that type of macro.
+ (_gl_TS_var_match): Simplify regexp.
+ (_gl_TS_obj_files): New configurable variable.
+ (_gl_TS_headers): Likewise.
+
+2011-05-22 Paul Eggert <eggert@cs.ucla.edu>
+
+ verify: fix bug when gnulib <assert.h> is also included
+ * lib/verify.h (verify, verify_true): Define if _GL_VERIFY_H
+ is defined, not if _GL_STATIC_ASSERT_H is not defined.
+ Perhaps there's a better way, but this fixes the immediate problem.
+ Problem reported by Bruno Haible in
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00478.html>.
+
+2011-05-22 Bruno Haible <bruno@clisp.org>
+
+ xgetcwd: Simplify autoconf macro.
+ * m4/xgetcwd.m4 (gl_XGETCWD): Don't require gl_FUNC_GETCWD.
+
+2011-05-22 Bruno Haible <bruno@clisp.org>
+
+ New module 'mktime-internal'.
+ * modules/mktime-internal: New file.
+ * m4/timegm.m4 (gl_PREREQ_TIMEGM): Move contents to ...
+ * m4/mktime.m4 (gl_FUNC_MKTIME_INTERNAL): New macro. Define
+ mktime_internal as a C macro if libc has __mktime_internal.
+ * modules/timegm (Depends-on): Add mktime-internal. Remove mktime. Add
+ conditions.
+ * MODULES.html.sh (Date and time <time.h>): Add mktime-internal.
+
+2011-05-22 Bruno Haible <bruno@clisp.org>
+
+ timegm: Correct mktime replacement statements.
+ * m4/timegm.m4 (gl_PREREQ_TIMEGM): Set REPLACE_MKTIME, instead of
+ defining mktime as a C macro. This completes a 2009-07-28 commit.
+
+2011-05-22 Bruno Haible <bruno@clisp.org>
+
+ timegm: Simplify autoconf macro.
+ * m4/timegm.m4 (gl_PREREQ_TIMEGM): Don't require gl_TIME_R.
+
+2011-05-21 Paul Eggert <eggert@cs.ucla.edu>
+
+ clock-time: change to LGPLv2+.
+ * modules/clock-time: Change from GPL to LGPLv2+. Actually, it's
+ BSD-like but we have no mark for that; this is good enough for now.
+
+2011-05-21 Bruno Haible <bruno@clisp.org>
+
+ strerror_r: Fix comments.
+ * lib/strerror_r.c (strerror_r): Fix comment about Cygwin and sys_nerr.
+
+2011-05-21 Bruno Haible <bruno@clisp.org>
+
+ relocatable-prog-wrapper: Fix possible link error.
+ * m4/setenv.m4 (gl_FUNC_SETENV_SEPARATE): Move determination of
+ HAVE_SETENV and REPLACE_SETENV and AC_LIBOBJ invocation from here...
+ (gl_FUNC_SETENV): ... to here.
+ * m4/canonicalize.m4 (gl_CANONICALIZE_LGPL_SEPARATE): Update comment.
+ * m4/readlink.m4 (gl_FUNC_READLINK_SEPARATE): Likewise.
+
+2011-05-21 Bruno Haible <bruno@clisp.org>
+
+ relocatable-prog-wrapper: Assume strerror() exists.
+ * modules/relocatable-prog-wrapper (Files): Remove lib/strerror.c,
+ m4/strerror.m4.
+ (configure.ac): Don't invoke gl_FUNC_STRERROR_SEPARATE.
+ * lib/relocwrapper.c: Remove mention of strerror module.
+ * lib/strerror.c: Assume REPLACE_STRERROR is 1.
+ * m4/strerror.m4 (gl_FUNC_STRERROR_SEPARATE): Remove macro.
+ (gl_FUNC_STRERROR): Inline it here. Don't define REPLACE_STRERROR as a
+ C macro.
+
+2011-05-21 Bruno Haible <bruno@clisp.org>
+
+ select: Simplify replacement idiom.
+ * m4/select.m4 (gl_FUNC_SELECT): Set REPLACE_SELECT also on native
+ Win32 platforms.
+ * lib/sys_select.in.h (select): Simplify accordingly.
+ * modules/select (Depends-on): Likewise.
+
+2011-05-21 Bruno Haible <bruno@clisp.org>
+
+ mkdir-p: Simplify autoconf macro.
+ * m4/mkdir-p.m4 (gl_MKDIR_PARENTS): Don't require gl_FUNC_LCHMOD,
+ gl_FUNC_LCHOWN.
+
+2011-05-21 Eric Blake <eblake@redhat.com>
+
+ strerror_r: avoid clobbering strerror on cygwin
+ * lib/strerror_r.c (strerror_r): Don't use cygwin's strerror_r;
+ fall back instead to sys_errlist.
+ * modules/strerror (configure.ac): Add witness.
+ * tests/test-strerror_r.c (main): Enhance test.
+ * doc/posix-functions/strerror_r.texi (strerror_r): Document it.
+ * tests/test-perror2.c (main): Free memory before exit.
+
+2011-05-21 Bruno Haible <bruno@clisp.org>
+
+ mkdtemp: Use gnulib naming conventions.
+ * m4/mkdtemp.m4 (gl_FUNC_MKDTEMP): Renamed from gt_FUNC_MKDTEMP.
+ * modules/mkdtemp (configure.ac): Update.
+
+2011-05-20 Eric Blake <eblake@redhat.com>
+
+ strerror_r: avoid corrupting errno on Solaris
+ * m4/strerror_r.m4 (gl_FUNC_STRERROR_R): Check for Solaris behavior.
+ * doc/posix-functions/strerror_r.texi (strerror_r): Document it.
+
+ strerror_r: avoid compiler warning
+ * m4/strerror_r.m4 (gl_FUNC_STRERROR_R): Don't return a char*.
+
+ strerror_r: simplify AIX code
+ * lib/strerror_r.c (strerror_r): Filter out buflen of 1 up front.
+
+ test-perror: avoid spurious failure on FreeBSD
+ * modules/perror-tests (Depends-on): Add strerror, now that
+ strerror_r no longer pulls it in.
+
+2011-05-20 Bruno Haible <bruno@clisp.org>
+
+ strerror_r-posix: Remove unused dependencies.
+ * modules/strerror_r-posix (Depends-on): Remove strerror.
+ Reported by Eric Blake.
+
+2011-05-20 Paul Eggert <eggert@cs.ucla.edu>
+
+ intprops: remove assumption about A|B representation
+ * lib/intprops.h (_GL_BINARY_OP_OVERFLOW): Do not assume that A|B
+ is a valid integer if both A and B are. Although this is true for
+ all known practical hosts, the C standard doesn't guarantee it,
+ and the code need not assume it. Also, this change may work around
+ HP-UX 11.23 and IRIX 6.5 cc bugs reported by Bruno Haible in
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00426.html>.
+
+2011-05-20 Eric Blake <eblake@redhat.com>
+
+ perror: work around FreeBSD bug
+ * m4/perror.m4 (gl_FUNC_PERROR): Also replace perror if strerror_r
+ is broken. Move AC_LIBOBJ...
+ * modules/perror (configure.ac): Here.
+ * doc/posix-functions/perror.texi (perror): Document this.
+ * tests/test-perror2.c (main): Enhance test.
+
+ test-perror: check for strerror interactions
+ * tests/macros.h (STREQ): Add macro.
+ * modules/perror-tests (Files): Add second test.
+ * tests/test-perror2.c (main): New file.
+ * doc/posix-functions/perror.texi (perror): Document glibc bug.
+
+ test-perror: rewrite to use init script
+ * modules/perror-tests (Files): Add init.sh.
+ * tests/test-perror.sh: Use temporary directory.
+
+2011-05-20 Jim Meyering <meyering@redhat.com>
+
+ maint: replace misused "a" with "an"
+ * doc/intprops.texi: "a integer"
+ * doc/regex.texi: "a explanation"
+ * lib/alignof.h: "a object"
+ * lib/argmatch.h: "a explanation"
+ * lib/argp-help.c: "a option" and "a OPTION_DOC"
+ * lib/stdint.in.h: "a integer"
+ * lib/userspec.c: "a owner"
+ * doc/gnulib.texi: Fix "a idea", and reword.
+
+2011-05-19 Jim Meyering <meyering@redhat.com>
+
+ maint: correct misuse of "a" and "an"
+ * doc/regex.texi (Collating Symbol Operators): s/an close.../a close/
+ * lib/argp-help.c: "an docum...": s/an/a/
+ * lib/argp-parse.c: "An vector": s/An/A/
+ * lib/execute.c: "an native": s/an/a/
+ * lib/spawn-pipe.c: Likewise.
+ * lib/gc.h: "an Gc_rc": s/an/a/
+ * lib/unigbrk.in.h: "an grapheme": s/an/a/
+ * lib/fts.c: "an stat.st_dev": s/an/a/
+
+2011-05-19 Paul Eggert <eggert@cs.ucla.edu>
+
+ intprops-tests: work around HP-UX 11.23 cc bug with constants
+ * tests/test-intprops.c (VERIFY): New macro.
+ (main): Use it, instead of verify, to work around the compiler bug; see
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00401.html>.
+
+ intprops: work around IRIX 6.5 cc bug with 0u - 0u + -1
+ See http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00406.html
+ * lib/intprops.h (_GL_INT_NEGATE_CONVERT): New macro.
+ (_GL_INT_SIGNED, _GL_INT_MAXIMUM, _GL_DIVIDE_OVERFLOW):
+ (_GL_REMAINDER_OVERFLOW): Use it.
+
+ intprops-tests: revert unsigned part of previous change
+ * tests/test-intprops.c (UINT_MAX, ULONG_MAX, UINTMAX_MAX, U0, U1):
+ Remove; they weren't actually needed. All uses of U0 and U1 removed,
+ and other casts to 'unsigned int' reverted to 'u' suffixes. See
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00406.html>.
+
+2011-05-19 Bruno Haible <bruno@clisp.org>
+
+ strerror_r: Work around strerror_r() change in Cygwin 1.7.8.
+ * lib/strerror_r.c (strerror_r) [CYGWIN]: Recognize when the system's
+ strerror_r() returned without filling the buffer.
+ Reported by Eric Blake.
+
+2011-05-19 Eric Blake <eblake@redhat.com>
+
+ strerror_r: guarantee unchanged errno
+ * lib/strerror_r.c (strerror_r): Guarantee unchanged errno.
+ * lib/strerror-impl.h (strerror): Set errno to match strerror_r
+ failure.
+ * tests/test-strerror_r.c (main): Enhance test.
+
+2011-05-19 Bruno Haible <bruno@clisp.org>
+
+ strerror_r: Reorder #if blocks.
+ * lib/strerror_r.c (strerror_r): Reorder conditionals in the function
+ for consistency with the previous commit.
+
+2011-05-19 Bruno Haible <bruno@clisp.org>
+
+ perror: Avoid clobbering the strerror buffer when possible.
+ * lib/strerror-impl.h: New file, extracted from lib/strerror.c.
+ * lib/strerror.c: Include it.
+ * modules/strerror (Files): Add lib/strerror-impl.h.
+ * lib/perror.c: Include <stdlib.h>, intprops.h, verify.h.
+ (my_strerror): New function, defined through lib/strerror-impl.h.
+ (perror): Use it instead of strerror.
+ * modules/perror (Files): Add lib/strerror-impl.h.
+ (Depends-on): Remove strerror. Add intprops, verify, strerror_r-posix.
+
+2011-05-19 Eric Blake <eblake@redhat.com>
+
+ strerror_r: fix on newer cygwin
+ * lib/strerror_r.c (strerror_r): Cygwin now has
+ __xpg_strerror_r, use it.
+
+2011-05-19 Bruno Haible <bruno@clisp.org>
+
+ strerror_r: Avoid clobbering the strerror buffer when possible.
+ * lib/strerror.c: Define _NETBSD_SOURCE. Include <nl_types.h>.
+ (sys_nerr, sys_errlist): New declarations.
+ (strerror_r): Be careful not to clobber the strerror buffer on NetBSD,
+ HP-UX, native Win32, IRIX, and 32-bit Solaris.
+ * m4/strerror_r.m4 (gl_PREREQ_STRERROR_R): Test whether catgets exists.
+
+2011-05-19 Bruno Haible <bruno@clisp.org>
+
+ strerror_r: Fix test failure on mingw.
+ * m4/strerror_r.m4 (gl_FUNC_STRERROR_R): Don't define
+ EXTEND_STRERROR_R.
+ * lib/strerror_r.c (strerror_r): Test the various GNULIB_defined_*
+ macros from errno.in.h instead.
+
+2011-05-19 Eric Blake <eblake@redhat.com>
+
+ strerror: relax test for Solaris
+ * tests/test-strerror.c (main): Permit Solaris behavior.
+ * tests/test-strerror_r.c (main): Likewise.
+
+ strerror: enforce POSIX ruling on strerror(0)
+ * m4/strerror.m4 (gl_FUNC_STRERROR_SEPARATE): Expose BSD bug.
+ * m4/strerror_r.m4 (gl_FUNC_STRERROR_R): Likewise.
+ * lib/strerror_r.c (rpl_strerror_r): Work around it.
+ * doc/posix-functions/strerror.texi (strerror): Document it.
+ * doc/posix-functions/strerror_r.texi (strerror_r): Likewise.
+ * tests/test-strerror.c (main): Strengthen test.
+ * tests/test-strerror_r.c (main): Likewise.
+
+2011-05-19 Paul Eggert <eggert@cs.ucla.edu>
+
+ intprop-tests: port to older and more-pedantic compilers
+ * modules/intprops-tests (Files): Add tests/macros.h.
+ * tests/test-intprops.c: Include macros.h.
+ (TYPE_IS_INTEGER): Use ASSERT, not verify, to test this macro, as
+ it's no longer documented to expand to an integer constant expression.
+ (TYPE_SIGNED): Use ASSERT, not verify, to test this macro when the
+ argument is floating point, as it's no longer documented to expand
+ to an integer constant expression in that case.
+ (UINT_MAX, ULONG_MAX, UINTMAX_MAX): Redefine to work around
+ compiler bugs reported by Bruno Haible. See
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00401.html>.
+ (U0, U1): New constants, to work around the same bugs. Also,
+ in tests, use e.g., "(unsigned int) 39" rather than "39u".
+
+ intprops: work around C compiler bugs
+ * lib/intprops.h (INT_MULTIPLY_RANGE_OVERFLOW): Work around compiler
+ bug in Sun C 5.11 2010/08/13 and other compilers; see
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00401.html>.
+
+ intprops: TYPE_IS_INTEGER, TYPE_SIGNED not integer constant exprs
+ * doc/intprops.texi (Integer Type Determination): Fix
+ documentation for TYPE_IS_INTEGER: it returns an constant
+ expression, not an integer constant expression. Fix doc for
+ TYPE_SIGNED: it returns an integer constant expression only if its
+ argument is an integer type. (TYPE_IS_INTEGER is the same, but is
+ hardly worth documented that way....)
+
+2011-05-18 Bruno Haible <bruno@clisp.org>
+
+ strerror_r: Avoid clobbering the strerror buffer when possible.
+ * lib/strerror_r.c (strerror_r): Merge the three implementations.
+ Handle gnulib defined errno values here. When strerror() returns NULL
+ or an empty string, return EINVAL.
+ * lib/strerror.c (strerror): Always call strerror_r. Don't handle
+ gnulib defined errno values here.
+ * modules/strerror (Depends-on): Add verify, strerror_r-posix.
+
+2011-05-18 Eric Blake <eblake@redhat.com>
+
+ fnmatch: avoid compiler warning
+ * lib/fnmatch_loop.c (FCT): Use correct type.
+ Reported by Matthias Bolte.
+
+2011-05-13 Jim Meyering <meyering@redhat.com>
+
+ maint.mk: three new prohibit_<HDR>_without_use rules
+ * top/maint.mk (sc_prohibit_stdio--_without_use): New rule.
+ (sc_prohibit_stdio-safer_without_use): Likewise.
+ (sc_prohibit_xfreopen_without_use): Likewise.
+
+2011-05-17 Jim Meyering <meyering@redhat.com>
+
+ announce-gen: fail if the NEWS delta is empty
+ If there's nothing noteworthy in NEWS, then either you forgot
+ or you shouldn't be releasing.
+ * build-aux/announce-gen: Die if the NEWS delta is effectively empty.
+
+2011-05-17 Pádraig Brady <P@draigBrady.com>
+
+ * top/maint.mk (_gl_tight_scope:): Automatically exclude compiler
+ reserved symbols starting with double underscore from the check.
+
+2011-05-17 Paul Eggert <eggert@cs.ucla.edu>
+
+ intprops: add doc
+ * doc/intprops.texi: New file, documenting intprops.
+ * doc/gnulib.texi (Particular Modules): Include it.
+
+ verify: add doc to gnulib manual and fix example
+ * doc/gnulib.texi (Compile-time Assertions): New node, for 'verify'.
+ * doc/verify.texi (Compile-time Assertions): Update 'assert' doc.
+ (Compile-time Assertions): Fix example so it can't overflow.
+
+2011-05-17 Jim Meyering <meyering@redhat.com>
+
+ warnings.m4: don't usurp save_CPPFLAGS variable name
+ * m4/warnings.m4: Prefix local temporary variable name with gl_.
+
+ doc: fix typo
+ * doc/gnulib-intro.texi (Target Platforms): s/is/are/
+
+2011-05-16 Paul Eggert <eggert@cs.ucla.edu>
+ Bruno Haible <bruno@clisp.org>
+
+ doc: Tweak recent change.
+ * README (Portability guidelines): Tweak new text.
+ * doc/gnulib-intro.texi (Target Platforms): Likewise. Mention
+ Interix 6.1.
+
+2011-05-16 Eric Blake <eblake@redhat.com>
+
+ inttypes: avoid autoconf warning
+ * m4/inttypes.m4 (gl_INTTYPES_INCOMPLETE): Only expand once.
+ * m4/stdint.m4 (gl_STDINT_H): Likewise.
+
+2011-05-16 Sam Steingold <sds@gnu.org>
+ and Eric Blake <eblake@redhat.com>
+
+ vc-list-files: accept multiple directory operands
+ * build-aux/vc-list-files: Iterate over all remaining operands.
+
2011-05-16 Bruno Haible <bruno@clisp.org>
Fix confusion regarding deprecated modules.
(x)memcoll: speedup when input is known to be NUL delimited
* lib/memcoll.c: Include stdlib.
- (memcoll0) New function.
- (strcoll_loop) New function, refactored for use in both memcoll
+ (memcoll0): New function.
+ (strcoll_loop): New function, refactored for use in both memcoll
and memcoll0.
- * lib/memcoll.h: Add prototype for memcoll0.
- * lib/xmemcoll.c: (xmemcoll0) New function.
- (collate_error) New function, refactored for use in both xmemcoll
+ * lib/memcoll.h (memcoll0): Add prototype.
+ * lib/xmemcoll.c (xmemcoll0): New function.
+ (collate_error): New function, refactored for use in both xmemcoll
and xmemcoll0.
- * lib/xmemcoll.h: Add prototype for xmemcoll0.
+ * lib/xmemcoll.h (xmemcoll0): Add prototype.
* m4/memcoll.m4: add inline invocation.
2010-07-06 Pádraig Brady <P@draigBrady.com>
2010-06-08 Peter Simons <simons@cryp.to>
maint.mk: make the news-check rule more configurable
- * top/maint.mk (news-check-lines-spec) New variable.
+ * top/maint.mk (news-check-lines-spec): New variable.
(news-check): Use "sed -n 1,10p" in place of "head".
2010-06-07 Jim Meyering <meyering@redhat.com>
* lib/pipe.c (create_pipe) [WIN32]: Likewise. Use fd_safer_noinherit
instead of fd_safer.
* tests/test-pipe.c: Include <windows.h>.
- (child_main) [WIN32]: Test the handle of STDERR_FILENO, not its close() result.
+ (child_main) [WIN32]: Test the handle of STDERR_FILENO, not its close()
+ result.
* tests/test-pipe.c (child_main, parent_main): New functions, extracted
from main.
(signbit): New macro.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize GNULIB_SIGNBIT and
REPLACE_SIGNBIT.
- * modules/math (Makefile.am) Substibute also GNULIB_SIGNBIT and
+ * modules/math (Makefile.am): Substibute also GNULIB_SIGNBIT and
REPLACE_FREXPL into math.h.
2007-04-06 Bruno Haible <bruno@clisp.org>
* lib/math_.h (frexpl): Define as a replacement macro if REPLACE_FREXPL
is set. Don't provide a prototype if REPLACE_FREXPL is not set.
* m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_FREXPL.
- * modules/math (Makefile.am) Substibute also REPLACE_FREXPL into math.h.
+ * modules/math (Makefile.am): Substibute also REPLACE_FREXPL into
+ math.h.
2007-03-25 Bruno Haible <bruno@clisp.org>
* modules/tempname (Depends-on): Likewise.
* modules/utimens (Depends-on): Likewise.
* modules/gettimeofday (Files): Remove lib/gettimeofday.h.
- (Include:) Change back to <sys/time.h>.
- (Maintainer:) Add self.
+ (Include): Change back to <sys/time.h>.
+ (Maintainer): Add self.
* modules/sys_time: New file.
* modules/tempname (Depends-on): Add gettimeofday.
* tests/test-gettimeofday.c: Include <sys/time.h>
* m4/ulonglong.m4 (AC_TYPE_UNSIGNED_LONG_LONG_INT): Likewise.
* m4/longlong.m4 (gl_AC_TYPE_LONG_LONG): Now just call
AC_TYPE_LONG_LONG_INT. This macro is obsolete and will go soon.
- * m4/ulonglong.m4 (gl_AC_TYPE_UNSIGNED_LONG_LONG) Likewise.
+ * m4/ulonglong.m4 (gl_AC_TYPE_UNSIGNED_LONG_LONG): Likewise.
* m4/stdint.m4 (gl_STDINT_H): Rewrite to accommodate stdint_.h
changes. Make 2.59 a prerequisite. Check and substitute for
2005-04-21 Oskar Liljeblad <oskar@osk.mine.nu>
* gnulib-tool (Options): Add -s for --symlink/--symbolic.
- (func_ln_if_changed) Remove forcibly for no error message
+ (func_ln_if_changed): Remove forcibly for no error message
in case file does not exist.
2005-04-19 Simon Josefsson <jas@extundo.com>
* lib/gethrxtime.h, lib/gethrxtime.c, lib/xtime.h: New files.
* lib/timespec.h (gettime): Return void, since it always
succeeds now. All uses changed.
- * lib/gettime.c (gettime) Likewise.
+ * lib/gettime.c (gettime): Likewise.
[HAVE_NANOTIME]: Prefer nanotime.
Assume gettimeofday succeeds, as POSIX requires.
Assime time () succeeds, since other code already does.
* lib/full-write.c: Correct credits, as cccp.c no longer
exists and anyway it was so heavily changed from the old cccp
code as to be unrecognizable. Include full-write.h.
- (full_write) Return size_t, with short writes meaning failure.
+ (full_write): Return size_t, with short writes meaning failure.
All callers changed. This fixes a bug with large buffers
on 64-bit hosts.
* lib/utime.c: Include full-write.h.