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19 Commits

Author SHA1 Message Date
Eric Blake
0447b70335 strerror: simplify replacement 
Only strerror-override depends on winsock2.h; our strerror.c file
does not.  This also fixes mingw strerror_r-posix use of winsock2.h
via strerror-override.

Since we assume C89 which guarantees a declaration for sterror, we
don't need to repeat that check.

* m4/strerror.m4 (gl_PREREQ_STRERROR): Delete.
* modules/strerror (configure.ac): No prereqs needed here...
* modules/strerror-override (configure.ac): ...but this needs it.
(Files): Add file for needed prereq macro.

Signed-off-by: Eric Blake <eblake@redhat.com>
 2011-06-08 05:12:15 -06:00
Bruno Haible
b47aace9f7 strerror: Move AC_LIBOBJ invocations to module description. 
* m4/strerror.m4 (gl_FUNC_STRERROR): Move AC_LIBOBJ and
gl_PREREQ_STRERROR invocations from here...
* modules/strerror (configure.ac): ... to here.
 2011-06-07 16:48:53 -06:00
Eric Blake
207ca136e4 strerror-override: avoid bloating errno module 
* modules/errno (Files, configure.ac): Move replacement strings...
* modules/strerror-override: ...to new module.
* modules/strerror (Depends-on): Add strerror-override.
* modules/strerror_r-posix (Depends-on): Likewise.
* MODULES.html.sh: Document new module.
Reported by Bruno Haible.

Signed-off-by: Eric Blake <eblake@redhat.com>
 2011-06-06 15:35:36 -06:00
Eric Blake
63ce57e7e9 strerror: drop strerror_r dependency 
Since the errno module is responsible for introducing replacement
errno values, it should also be responsible for translating those
new values into strings.  And by moving the replacements into a
file managed by the errno, we can then break the dependency between
strerror and strerror_r, so that strerror no longer drags in
multi-threading modules required by strerror_r.

Tested on glibc with:

gl_cv_header_errno_h_complete=no gl_cv_func_working_strerror=no \
  gl_cv_func_strerror_r_works=no ./gnulib-tool --with-tests \
  --test strerror strerror_r-posix

* lib/strerror_r.c (strerror_r): Move gnulib replacement strings...
* lib/strerror-override.c (strerror_override): ...to new file.
* lib/strerror-override.h: Add prototype.
* lib/strerror-impl.h: Delete.
* lib/strerror.c (strerror): New implementation.
* modules/errno (Files): Add new files.
(configure.ac): Compile new file as appropriate.
* modules/strerror (Files): Drop unused file.
(Depends-on): Drop strerror_r-posix.
* MODULES.html.sh: Document strerror_r-posix.
Requested by Sam Steingold.

Signed-off-by: Eric Blake <eblake@redhat.com>
 2011-06-01 08:58:23 -06:00
Eric Blake
2f0357585d strerror_r: avoid clobbering strerror on cygwin 
Avoid cygwin strerror_r, since it clobbers strerror buffer through
cygwin 1.7.9.  __xpg_strerror_r is okay, but if a program is
compiled on cygwin 1.7.8 or earlier, it is not available.

* 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.

Signed-off-by: Eric Blake <eblake@redhat.com>
 2011-05-21 10:14:37 -06:00
Bruno Haible
30f176b6e1 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 21:49:01 +02:00
Bruno Haible
d3455c00b7 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.
 2011-05-19 05:27:01 +02:00
Bruno Haible
7cbbd8a31a Avoid unnecessary compilation units, through conditional dependencies. 
* modules/accept (Depends-on): Add conditions to the dependencies.
* modules/acosl (Depends-on): Likewise.
* modules/argz (Depends-on): Likewise.
* modules/asinl (Depends-on): Likewise.
* modules/atanl (Depends-on): Likewise.
* modules/atoll (Depends-on): Likewise.
* modules/bind (Depends-on): Likewise.
* modules/btowc (Depends-on): Likewise.
* modules/canonicalize-lgpl (Depends-on): Likewise.
* modules/ceil (Depends-on): Likewise.
* modules/ceilf (Depends-on): Likewise.
* modules/ceill (Depends-on): Likewise.
* modules/chdir-long (Depends-on): Likewise.
* modules/chown (Depends-on): Likewise.
* modules/close (Depends-on): Likewise.
* modules/connect (Depends-on): Likewise.
* modules/cosl (Depends-on): Likewise.
* modules/dirfd (Depends-on): Likewise.
* modules/dprintf (Depends-on): Likewise.
* modules/dprintf-posix (Depends-on): Likewise.
* modules/error (Depends-on): Likewise.
* modules/euidaccess (Depends-on): Likewise.
* modules/expl (Depends-on): Likewise.
* modules/faccessat (Depends-on): Likewise.
* modules/fchdir (Depends-on): Likewise.
* modules/fclose (Depends-on): Likewise.
* modules/fcntl (Depends-on): Likewise.
* modules/fdopendir (Depends-on): Likewise.
* modules/fflush (Depends-on): Likewise.
* modules/floor (Depends-on): Likewise.
* modules/floorf (Depends-on): Likewise.
* modules/floorl (Depends-on): Likewise.
* modules/fnmatch (Depends-on): Likewise.
* modules/fopen (Depends-on): Likewise.
* modules/fprintf-posix (Depends-on): Likewise.
* modules/frexp (Depends-on): Likewise.
* modules/frexp-nolibm (Depends-on): Likewise.
* modules/frexpl (Depends-on): Likewise.
* modules/frexpl-nolibm (Depends-on): Likewise.
* modules/fseek (Depends-on): Likewise.
* modules/fsusage (Depends-on): Likewise.
* modules/ftell (Depends-on): Likewise.
* modules/ftello (Depends-on): Likewise.
* modules/futimens (Depends-on): Likewise.
* modules/getcwd (Depends-on): Likewise.
* modules/getcwd-lgpl (Depends-on): Likewise.
* modules/getdelim (Depends-on): Likewise.
* modules/getdomainname (Depends-on): Likewise.
* modules/getgroups (Depends-on): Likewise.
* modules/gethostname (Depends-on): Likewise.
* modules/getline (Depends-on): Likewise.
* modules/getlogin_r (Depends-on): Likewise.
* modules/getopt-posix (Depends-on): Likewise.
* modules/getpeername (Depends-on): Likewise.
* modules/getsockname (Depends-on): Likewise.
* modules/getsockopt (Depends-on): Likewise.
* modules/getsubopt (Depends-on): Likewise.
* modules/getusershell (Depends-on): Likewise.
* modules/glob (Depends-on): Likewise.
* modules/grantpt (Depends-on): Likewise.
* modules/iconv_open (Depends-on): Likewise.
* modules/iconv_open-utf (Depends-on): Likewise.
* modules/inet_ntop (Depends-on): Likewise.
* modules/inet_pton (Depends-on): Likewise.
* modules/ioctl (Depends-on): Likewise.
* modules/isapipe (Depends-on): Likewise.
* modules/isfinite (Depends-on): Likewise.
* modules/isinf (Depends-on): Likewise.
* modules/lchown (Depends-on): Likewise.
* modules/ldexpl (Depends-on): Likewise.
* modules/link (Depends-on): Likewise.
* modules/linkat (Depends-on): Likewise.
* modules/listen (Depends-on): Likewise.
* modules/logl (Depends-on): Likewise.
* modules/lstat (Depends-on): Likewise.
* modules/mbrlen (Depends-on): Likewise.
* modules/mbrtowc (Depends-on): Likewise.
* modules/mbsinit (Depends-on): Likewise.
* modules/mbsnrtowcs (Depends-on): Likewise.
* modules/mbsrtowcs (Depends-on): Likewise.
* modules/mbtowc (Depends-on): Likewise.
* modules/memcmp (Depends-on): Likewise.
* modules/mkdir (Depends-on): Likewise.
* modules/mkdtemp (Depends-on): Likewise.
* modules/mkfifo (Depends-on): Likewise.
* modules/mkfifoat (Depends-on): Likewise.
* modules/mknod (Depends-on): Likewise.
* modules/mkostemp (Depends-on): Likewise.
* modules/mkostemps (Depends-on): Likewise.
* modules/mkstemp (Depends-on): Likewise.
* modules/mkstemps (Depends-on): Likewise.
* modules/mktime (Depends-on): Likewise.
* modules/nanosleep (Depends-on): Likewise.
* modules/open (Depends-on): Likewise.
* modules/openat (Depends-on): Likewise.
* modules/perror (Depends-on): Likewise.
* modules/poll (Depends-on): Likewise.
* modules/popen (Depends-on): Likewise.
* modules/posix_spawn (Depends-on): Likewise.
* modules/posix_spawn_file_actions_addclose (Depends-on): Likewise.
* modules/posix_spawn_file_actions_adddup2 (Depends-on): Likewise.
* modules/posix_spawn_file_actions_addopen (Depends-on): Likewise.
* modules/posix_spawnp (Depends-on): Likewise.
* modules/pread (Depends-on): Likewise.
* modules/printf-posix (Depends-on): Likewise.
* modules/ptsname (Depends-on): Likewise.
* modules/putenv (Depends-on): Likewise.
* modules/pwrite (Depends-on): Likewise.
* modules/readline (Depends-on): Likewise.
* modules/readlink (Depends-on): Likewise.
* modules/readlinkat (Depends-on): Likewise.
* modules/recv (Depends-on): Likewise.
* modules/recvfrom (Depends-on): Likewise.
* modules/regex (Depends-on): Likewise.
* modules/remove (Depends-on): Likewise.
* modules/rename (Depends-on): Likewise.
* modules/renameat (Depends-on): Likewise.
* modules/rmdir (Depends-on): Likewise.
* modules/round (Depends-on): Likewise.
* modules/roundf (Depends-on): Likewise.
* modules/roundl (Depends-on): Likewise.
* modules/rpmatch (Depends-on): Likewise.
* modules/select (Depends-on): Likewise.
* modules/send (Depends-on): Likewise.
* modules/sendto (Depends-on): Likewise.
* modules/setenv (Depends-on): Likewise.
* modules/setlocale (Depends-on): Likewise.
* modules/setsockopt (Depends-on): Likewise.
* modules/shutdown (Depends-on): Likewise.
* modules/sigaction (Depends-on): Likewise.
* modules/signbit (Depends-on): Likewise.
* modules/sigprocmask (Depends-on): Likewise.
* modules/sinl (Depends-on): Likewise.
* modules/sleep (Depends-on): Likewise.
* modules/snprintf (Depends-on): Likewise.
* modules/snprintf-posix (Depends-on): Likewise.
* modules/socket (Depends-on): Likewise.
* modules/sprintf-posix (Depends-on): Likewise.
* modules/sqrtl (Depends-on): Likewise.
* modules/stat (Depends-on): Likewise.
* modules/strchrnul (Depends-on): Likewise.
* modules/strdup-posix (Depends-on): Likewise.
* modules/strerror (Depends-on): Likewise.
* modules/strerror_r-posix (Depends-on): Likewise.
* modules/strndup (Depends-on): Likewise.
* modules/strnlen (Depends-on): Likewise.
* modules/strptime (Depends-on): Likewise.
* modules/strsep (Depends-on): Likewise.
* modules/strsignal (Depends-on): Likewise.
* modules/strstr-simple (Depends-on): Likewise.
* modules/strtod (Depends-on): Likewise.
* modules/strtoimax (Depends-on): Likewise.
* modules/strtok_r (Depends-on): Likewise.
* modules/strtoumax (Depends-on): Likewise.
* modules/symlink (Depends-on): Likewise.
* modules/symlinkat (Depends-on): Likewise.
* modules/tanl (Depends-on): Likewise.
* modules/tcgetsid (Depends-on): Likewise.
* modules/tmpfile (Depends-on): Likewise.
* modules/trunc (Depends-on): Likewise.
* modules/truncf (Depends-on): Likewise.
* modules/truncl (Depends-on): Likewise.
* modules/uname (Depends-on): Likewise.
* modules/unlink (Depends-on): Likewise.
* modules/unlockpt (Depends-on): Likewise.
* modules/unsetenv (Depends-on): Likewise.
* modules/usleep (Depends-on): Likewise.
* modules/utimensat (Depends-on): Likewise.
* modules/vasprintf (Depends-on): Likewise.
* modules/vdprintf (Depends-on): Likewise.
* modules/vdprintf-posix (Depends-on): Likewise.
* modules/vfprintf-posix (Depends-on): Likewise.
* modules/vprintf-posix (Depends-on): Likewise.
* modules/vsnprintf (Depends-on): Likewise.
* modules/vsnprintf-posix (Depends-on): Likewise.
* modules/vsprintf-posix (Depends-on): Likewise.
* modules/wcrtomb (Depends-on): Likewise.
* modules/wcscasecmp (Depends-on): Likewise.
* modules/wcscspn (Depends-on): Likewise.
* modules/wcsdup (Depends-on): Likewise.
* modules/wcsncasecmp (Depends-on): Likewise.
* modules/wcsnrtombs (Depends-on): Likewise.
* modules/wcspbrk (Depends-on): Likewise.
* modules/wcsrtombs (Depends-on): Likewise.
* modules/wcsspn (Depends-on): Likewise.
* modules/wcsstr (Depends-on): Likewise.
* modules/wcstok (Depends-on): Likewise.
* modules/wcswidth (Depends-on): Likewise.
* modules/wctob (Depends-on): Likewise.
* modules/wctomb (Depends-on): Likewise.
* modules/wctype (Depends-on): Likewise.
* modules/wcwidth (Depends-on): Likewise.
* modules/write (Depends-on): Likewise.
 2011-05-03 23:38:19 +02:00
Bruno Haible
531f013a20 Change license of two modules from LGPLv3+ to LGPLv2+. 2008-10-24 23:04:30 +02:00
Bruno Haible
6c560a52fc Extend strerror to cover the added errno values. 2008-09-14 04:18:44 +02:00
Paul Eggert
73f48e6fcc Simplify and modernize strerror substitute, partly to fix Solaris 8 bug. 
* lib/strerror.c: Include <string.h> always, to test interface,
and to remove the need for the dummy.
Include intprops.h to compute width instead of doing it ourselves
and missing a CHAR_BIT declaration, which broke tar 1.19 on Solaris 8.
(strerror): Define it to return NULL if there's no system strerror.
(rpl_strerror): Use INT_STRLEN_BOUND to compute bound.
Omit !HAVE_STRERROR code.  We don't need to worry about supporting
ancient pre-strerror Unix systems well any more.  Saying "unknown
system error" is enough.
* lib/string.in.h (strerror): Simplify the ifdef to reflect the
simpler strerror.c implementation.
* m4/strerror.m4 (gl_FUNC_STRERROR_SEPARATE, gl_PREREQ_STDERROR):
Simplify the tests to reflect the simpler strerror implementation.
* modules/strerror (Depends-on): Add intprops.
 2007-10-11 14:43:30 -07:00
Eric Blake
d5d3e86d32 Fix strerror on Interix. 
* lib/string_.h (strerror): Declare replacement.
* doc/functions/strerror.texi (strerror): Document the Interix
shortcoming.
* modules/string (Makefile.am): Support new hooks.
* m4/string_h.m4 (gl_HEADER_STRING_H_DEFAULTS): Add new hooks.
* m4/strerror.m4 (gl_FUNC_STRERROR): Defer to
gl_FUNC_STRERROR_SEPARATE.
(gl_FUNC_STRERROR_SEPARATE): Check for Interix bug.
* lib/strerror.c (rpl_strerror): Provide replacement.
* modules/strerror (Depends-on): Add string.
(configure.ac): Detect use of module.
* tests/test-strerror.c: New file.
* modules/strerror-tests: New test module.
* modules/argp (Depends-on): Add strerror.
* modules/error (Depends-on): Likewise.
Reported by Martin Koeppe.

Signed-off-by: Eric Blake <ebb9@byu.net>
 2007-09-25 10:40:16 -06:00
Bruno Haible
5eeec029e8 gnulib-tool now synthesizes the EXTRA_DIST line. 2006-10-13 12:40:22 +00:00
Bruno Haible
e8684643a2 Distribute all lib/* source files through EXTRA_DIST. 2006-10-12 18:52:30 +00:00
Paul Eggert
55623f58e7 * gnulib-tool (func_import): Add support for 'public domain' license. 
* modules/alloca, modules/atexit, modules/memmove:
Now public domain, not GPL.
* modules/dup2, modules/getpagesize, modules/malloc, modules/memset:
* modules/realloc, modules/strerror, modules/strtod:
Now LGPL, not GPL.
 2005-07-05 07:14:00 +00:00
Bruno Haible
5143f4e91f Add a license tag to every module. 2004-09-22 15:11:04 +00:00
Bruno Haible
6f99528a90 Add a Maintainer. 2003-01-20 10:02:37 +00:00
Bruno Haible
2e82f91f46 Add module descriptions. 2003-01-13 16:07:17 +00:00
Bruno Haible
740e9a30ef Module description. 2002-12-31 13:46:30 +00:00