* cygwin.din (cygwin_conv_path): Export.
(cygwin_conv_path_list): Export.
(cygwin_create_path): Export.
* dcrt0.cc (dll_crt0_1): Use cygwin_conv_path.
* dtable.cc (handle_to_fn): Ditto. Don't expect UNICODE_STRING being
0-terminated.
* environ.cc (env_plist_to_posix): New helper function.
(env_plist_to_win32): Ditto.
(env_path_to_posix): Ditto.
(env_path_to_win32): Ditto.
(return_MAX_PATH): Remove.
(conv_envvars): Use new helper functions. Drop removed members.
(win_env::operator =): Accommodate removal of path length functions.
(win_env::add_cache): Accommodate new env helper function API.
(posify): Ditto.
* environ.h (struct win_env): Ditto. Remove path length function
pointers since they are unused.
* path.cc (warn_msdos): Use cygwin_conv_path.
(getfileattr): Use new tmp_pathbuf::u_get method.
(fillout_mntent): Ditto.
(symlink_info::check): Ditto.
(path_conv::check): Use sizeof (WCHAR) instead of constant 2.
(symlink_info::check_reparse_point): Ditto.
(conv_path_list): Get max size of target string as argument. Call
cygwin_conv_path as helper function.
(cygwin_conv_path): New function.
(cygwin_create_path): New function.
(cygwin_conv_to_win32_path): Just call cygwin_conv_path with size set
to MAX_PATH.
(cygwin_conv_to_full_win32_path): Ditto.
(cygwin_conv_to_posix_path): Ditto.
(cygwin_conv_to_full_posix_path): Ditto.
(conv_path_list_buf_size): Add FIXME comment.
(env_PATH_to_posix): Rename from env_win32_to_posix_path_list.
Add size argument as required for env helper functions.
(cygwin_win32_to_posix_path_list): Call conv_path_list with size set to
MAX_PATH.
(cygwin_posix_to_win32_path_list): Ditto.
(cygwin_conv_path_list): New function.
(cwdstuff::get): Fix length argument in call to sys_wcstombs.
* spawn.cc (find_exec): Use cygwin_conv_path_list.
* tls_pbuf.h (tmp_pathbuf::u_get: New method.
* uinfo.cc (cygheap_user::ontherange): Allocate temporary path buffers
using tmp_pathbuf. Use cygwin_conv_path.
* winf.cc (av::unshift): Use cygwin_conv_path.
* include/cygwin/version.h: Bump API minor number.
* include/sys/cygwin.h: Comment out old cygwin32_XXX API.
Mark old path handling API as deprecated.
(cygwin_conv_path_t): Typedef. Define values.
(cygwin_conv_path): Declare.
(cygwin_create_path): Declare.
(cygwin_conv_path_list): Declare.
Brian Dessent [Tue, 11 Mar 2008 17:20:02 +0000 (17:20 +0000)]
* cygcheck.cc (dirname): New static function.
(find_app_on_path): Use SYMLINK_MAX. Resolve symlink relative
to link's location. Adjust to the fact that cygpath already
normalizes its return value.
* path.cc (rel_vconcat): Add cwd parameter, and use it instead
of calling GetCurrentDirectory() if possible. Rename throughout.
(vcygpath): Rename from cygpath and accept cwd and va_list. Pass
cwd on to rel_vconcat().
(cygpath_rel): New front end for vcygpath.
(cygpath): Ditto.
* path.h (cygpath_rel): Declare.
(SYMLINK_MAX): Define to 4095.
Corinna Vinschen [Tue, 11 Mar 2008 13:17:52 +0000 (13:17 +0000)]
* dtable.cc (dtable::init_std_file_from_handle): Use tmp_pathbuf to
allocate path buffer.
(handle_to_fn): Ditto. Allocate fnbuf big enough to get long path
names.
Corinna Vinschen [Tue, 11 Mar 2008 12:34:08 +0000 (12:34 +0000)]
* path.cc (cwdstuff::set): Make sure drive_length is 0 for virtual
paths. Add comments.
* spawn.cc (spawn_guts): Don't allow to start a native Win32 application
from a long path or a virtual path. Print an error message to stderr.
Corinna Vinschen [Tue, 11 Mar 2008 11:42:00 +0000 (11:42 +0000)]
* environ.cc (parse_options): Use tmp_pathbuf to allocate buffer.
(regopt): Take tmp buffer as additional argument.
(environ_init): Alllcate tmpbuf earlier. Use as temporary buffer in
call to regopt.
* tls_pbuf.cc (tmp_pathbuf::c_get): Allocate one additional char.
(tmp_pathbuf::w_get): Allocate one additional WCHAR.
* winf.cc (av::unshift): Use tmp_pathbuf to allocate buffer.
Corinna Vinschen [Mon, 10 Mar 2008 17:23:50 +0000 (17:23 +0000)]
* fhandler.h (class fhandler_console): Add write_buf as pointer to
temporary buffer space.
* fhandler_console.cc (CONVERT_LIMIT): Define as NT_MAX_PATH. Add
comment.
(fhandler_console::write_normal): Use write_buf throughout.
(fhandler_console::write): Use tmp_pathbuf to allocate write_buf.
Corinna Vinschen [Mon, 10 Mar 2008 16:22:38 +0000 (16:22 +0000)]
* fhandler.h (dev_console::con_to_str): Declare returning DWORD.
* fhandler_console.cc (dev_console::con_to_str): Return number of
multibyte char bytes.
(fhandler_console::read): Set nread to number of multibyte char bytes
returned from con_to_str.
(fhandler_console::write_normal): Reorder trunc buffer preocessing.
Return after writing valid multibyte sequence out of trunc buffer.
Change comments slightly.
gas/
* config/tc-arm.c (fpu_vfp_ext_d32): New vairable.
(parse_vfp_reg_list, encode_arm_vfp_reg): Use it.
(arm_option_cpu_value): Add vfpv3-d16, vfpv2 and vfpv3.
(aeabi_set_public_attributes): Handle Tag_VFP_arch=VFPV3-D16.
* doc/c-arm.texi: Document new ARM FPU variants.
gas/testsuite/
* gas/arm/vfpv3-d16-bad.d: New test.
* gas/arm/vfpv3-d16-bad.l: New test.
Brian Dessent [Sun, 9 Mar 2008 04:10:10 +0000 (04:10 +0000)]
* Makefile.in: Add a 'check' target that builds and runs
testsuite.exe from path-testsuite.o and testsuite.o.
* path.cc: Include testsuite.h.
(struct mnt): Change to a mnt_t typedef and don't define
mount_table when TESTSUITE is defined.
(find2): Don't include when TESTSUITE is defined to avoid warning.
(get_cygdrive0): Ditto.
(get_cygdrive): Ditto.
(read_mounts): Provide empty implementation when TESTSUITE is
defined.
(vconcat): Use the isslash macro.
(unconvert_slashes): New helper to convert to backslashses.
(rel_vconcat): Handle relative paths more gracefully.
(cygpath): Skip a leading "./" sequence. Avoid double-slashes.
Normalize final output to backslashes and remove redundant path
sequences.
* testsuite.cc: New file implementing testsuite driver.
* testsuite.h: New header implementing harness mount table and
series of tests.
* fhandler_disk_file.cc (DIR_BUF_SIZE): Define required space for file
name in terms of sizeof(WCHAR).
(fhandler_disk_file::readdir_helper): Convert *all* of fname.
* path.cc (fillout_mntent): Use tmp_pathbuf for path buffer.
(symlink_worker): Ditto.
(SCAN_JUSTCHECKTHIS): New state for suffix_scan to define
that only the actual name gets cheked and a suffix is never attached.
(suffix_scan::has): If filename + suffix would be > NAME_MAX, start
in SCAN_JUSTCHECKTHIS state.
(suffix_scan::next): Add case for SCAN_JUSTCHECKTHIS.
(symlink_info::check): Use tmp_pathbuf for path buffer. Goto
file_not_symlink in case of invalid file name.
(realpath): Use tmp_pathbuf for path buffer.
Jeff Johnston [Fri, 7 Mar 2008 18:16:35 +0000 (18:16 +0000)]
2008-03-07 Jeff Johnston <jjohnstn@redhat.com>
* libc/include/getopt.h: Hide newlib extensions under
the __need_getopt_newlib flag.
* libc/stdlib/getopt.c: #define __need_getopt_newlib before including
getopt.h. Put entire code under !HAVE_GETOPT to support platforms
with their own getopt implementation.
* configure.host: Specify HAVE_GETOPT for x86-linux.
Jeff Johnston [Fri, 7 Mar 2008 16:45:04 +0000 (16:45 +0000)]
2008-03-07 Jeff Johnston <jjohnstn@redhat.com>
* libc/include/sys/reent.h(_REENT_SMALL_CHECK_INIT): Specify
this macro completely instead of referring to CHECK_STD_INIT which
is only found in libc/stdio/local.h.
* libc/stdio/dprintf.c: Add include of local.h.
* libc/stdio/vdprintf.c: Ditto.
* libc/stdio/vdiprintf.c: Ditto.
* Makefile.in (DLL_OFILES): Add tls_pbuf.o.
* autoload.cc (CreateDesktopW): Replace CreateDesktopA.
(CreateWindowStationW): Replace CreateWindowStationA.
(GetUserObjectInformationW): Replace GetUserObjectInformationA.
* cygheap.h (cwdstuff::get): Assume default buffer size NT_MAX_PATH.
* cygtls.cc (_cygtls::remove): Free temporary TLS path buffers.
* cygtls.h (TP_NUM_C_BUFS): Define.
(TP_NUM_W_BUFS): Define.
(class tls_pathbuf): New class to store pointers to thread local
temporary path buffers.
(_local_storage::pathbufs): New member.
* environ.cc (win_env::add_cache): Use temporary TLS path buffer instead
of stack based buffer.
(posify): Get temporary outenv buffer from calling function.
(environ_init): Create temporary TLS path buffer for posify.
(build_env): Create Windows environment block as WCHAR buffer.
* environ.h (build_env): Change declaration accordingly.
* external.cc (sync_winenv): Accommodate build_env change.
* fhandler_console.cc (fhandler_console::need_invisible): Use
GetUserObjectInformationW and CreateWindowStationW.
* fhandler_process.cc (format_process_maps): Use temporary TLS path
buffer instead of stack based buffer.
* fork.cc (frok::parent): Convert to use CreateProcessW.
* path.cc: Throughout use temporary TLS path buffers instead of stack
based buffer. Replace checks for CYG_MAX_PATH by checks for
NT_MAX_PATH.
(getfileattr): New function to replace GetFileAttributesA.
(normalize_win32_path): Remove Win32 and NT long path prefixes.
(getwd): Assume PATH_MAX + 1 buffer per SUSv3.
* path.h (class path_conv): Set path buffer to size NT_MAX_PATH.
(iswdrive): Define.
* pinfo.cc (commune_process): Use temporary TLS path buffer instead of
stack based buffer.
* registry.cc (get_registry_hive_path): Ditto.
(load_registry_hive): Ditto.
* spawn.cc (spawn_guts): Convert to use CreateProcessW and
CreateProcessAsUserW.
(av::fixup): Open/close file using NtOpenFile/NtClose.
* syscalls.cc (mknod_worker): Allow PATH_MAX file name.
(mknod32): Ditto.
(getusershell): Ditto.
* tls_pbuf.cc: New file implementing tls_pathbuf and tmp_pathbuf
methods.
* tls_pbuf.h: New header for files using tmp_pathbuf.
* tlsoffsets.h: Regenerate.
* winsup.h (NT_MAX_PATH): Define as 32767 to avoid USHORT overflow.
* child_info.h (~child_info_spawn): Check moreinfo->myself_pinfo for
NULL before closing.
* spawn.cc (spawn_guts): Don't close moreinfo->myself_pinfo explicitely
in case of failing CloseProcess.
* fhandler.cc (fhandler_base::open_): Return EISDIR when trying to
create a directory.
* path.cc (path_conv::check): If input path had a trailing dir
separator, tack it on to the native path if directory doesn't exist.
Paul Brook [Wed, 5 Mar 2008 01:31:26 +0000 (01:31 +0000)]
2008-03-04 Paul Brook <paul@codesourcery.com>
gas/
* config/tc-arm.c (arm_ext_barrier, arm_ext_msr): New.
(arm_ext_v7m): Rename...
(arm_ext_m): ... to this. Include v6-M.
(do_t_add_sub): Allow narrow low-reg non flag setting adds.
(do_t_mrs, do_t_msr, aeabi_set_public_attributes): Use arm_ext_m.
(md_assemble): Allow wide msr instructions.
(insns): Add classifications for v6-m instructions.
(arm_cpu_option_table): Add cortex-m1.
(arm_arch_option_table): Add armv6-m.
(cpu_arch): Add ARM_ARCH_V6M. Fix numbering of other v6 variants.
gas/testsuite/
* gas/arm/archv6m.d: New test.
* gas/arm/archv6m.s: New test.
* gas/arm/t16-bad.s: Test low register non flag setting add.
* gas/arm/t16-bad.l: Update expected output.
include/opcode/
* arm.h (ARM_EXT_V6M, ARM_EXT_BARRIER, ARM_EXT_THUMB_MSR): Define.
(ARM_AEXT_V6T2, ARM_AEXT_V7_ARM, ARM_AEXT_V7M): Use new flags.
(ARM_AEXT_V6M, ARM_ARCH_V6M): Define.
Eric Blake [Tue, 4 Mar 2008 18:27:01 +0000 (18:27 +0000)]
Fix strtod("nan()", ptr).
* libc/stdlib/gdtoa-hexnan.c (hexnan): When the optional
n-char-sequence is omitted, still parse the ().
-------------------------------------------------------------------
* cygtls.cc (_cygtls::init_exception_handler): Semi-revert to making only
ourselves the exception handler and nothing else.
* exceptions.cc (open_stackdumpfile): Use correct format specifiers for unicode
when printing nameof stackdump file.
(stack_info::walk): Stop walking if ebp points into cygwin itself.
(_cygtls::handle_exceptions): Detect when signal is masked and treat as if it
was not caught. Reinitialize exception handler to known state to avoid
subsequent attempts to call Windows exception handlers if an exception occurs
in a signal handler. Revert to a 'return 0' rather than using a goto.
* strfuncs.cc (sys_wcstombs_alloc): Minor formatting tweak.
* winsup.h: Fix comment typo.
* exceptions.cc (_cygtls::handle_exceptions): Only call rtl_unwind when
exiting. Just return, don't set thread context.
* gendef (_setjmp): Store %fs:0 in jmp_buf.
(_sjfault): Ditto.
(_ljfault): Restore %fs:0 from jmp_buf.
(_longjmp): Ditto.
Jeff Johnston [Fri, 29 Feb 2008 21:11:57 +0000 (21:11 +0000)]
2008-02-29 Gregory Pietsch <gpietsch@comcast.net>
* libc/stdlib/getopt.c (getopt_internal): Rewrite to accept
data area so as to support reentrant calls. Change all callers
to fill in data area with global values and restore any changes
to the global values after call.
(__getopt_r, __getopt_long_r, __getopt_long_only_r): New routines
to support reentrancy that add a data area argument.
* libc/include/getopt.h: Add new _r routines and provide macros
so they can be called with using double-underscores.
Corinna Vinschen [Fri, 29 Feb 2008 16:38:51 +0000 (16:38 +0000)]
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Call close_fs
instead of close to avoid calling close from wrong class when changing
a file system based device node.
(fhandler_disk_file::fchown): Ditto.
(fhandler_disk_file::facl): Ditto.
* cygtls.cc (_cygtls::handle_threadlist_exception): Make it clear that the
function never actually returns.
* exceptions.cc (_cygtls::handle_exceptions): Jump out of function rather than
returning to avoid meddling by previously installed exception handlers.
* Makefile.def: Define stage_libcflags for all bootstrap stages.
* Makefile.tpl (BOOT_LIBCFLAGS, STAGE2_LIBCFLAGS, STAGE3_LIBCFLAGS,
STAGE4_LIBCFLAGS): New.
(CFLAGS_FOR_TARGET, CXXFLAGS_FOR_TARGET): Subst from autoconf, without
$(SYSROOT_CFLAGS_FOR_TARGET) and $(DEBUG_PREFIX_CFLAGS_FOR_TARGET).
(BASE_TARGET_EXPORTS): Append them here to C{,XX}FLAGS.
(EXTRA_TARGET_FLAGS): Append them here to {LIB,}C{,XX}FLAGS.
(configure-stage[+id+]-[+prefix+][+module+]): Pass stage_libcflags
for target modules. Don't export LIBCFLAGS.
(all-stage[+id+]-[+prefix+][+module+]): Pass stage_libcflags; pass
$(BASE_FLAGS_TO_PASS) where [+args+] was passed, and [+args+] after
the overridden CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
(invocations of `all'): Replace $(TARGET_FLAGS_TO_PASS) with
$(EXTRA_TARGET_FLAGS), $(FLAGS_TO_PASS) with $(EXTRA_HOST_FLAGS).
* Makefile.in: Regenerate.
config:
2008-02-20 Paolo Bonzini <bonzini@gnu.org>
Corinna Vinschen [Thu, 14 Feb 2008 16:47:11 +0000 (16:47 +0000)]
* cygheap.cc (cwcsdup): New function.
(cwcsdup1): New function.
* cygheap.h (cygheap_user::get_windows_id): New method returning PWCHAR.
(cwcsdup): Declare.
(cwcsdup1): Declare.
* registry.cc (get_registry_hive_path): Use WCHAR instead of char
throughout.
(load_registry_hive): Ditto.
* registry.h (get_registry_hive_path): Change declaration accordingly.
(load_registry_hive): Ditto.
* sec_helper.cc (cygpsid::string): New method returning PWCHAR.
* security.h (cygpsid::string): Declare.
* syscalls.cc (seteuid32): Convert local name var to WCHAR.
* uinfo.cc (cygheap_user::env_userprofile): Convert local name buffers
to WCHAR. Call sys_wcstombs_alloc to generate puserprof buffer.
* winsup.h: Fix comment.
(NT_MAX_PATH): New definition for maximum internal path length.
Use throughout where appropriate.
* include/limits.h (PATH_MAX): Set to 4096 as on Linux.
Nick Clifton [Thu, 14 Feb 2008 13:04:29 +0000 (13:04 +0000)]
PR gas/2626
* avr.h (AVR_ISA_2xxe): Define.
* config/tc-avr.c (mcu_types): Change the ISA tyoe of the attiny26
to AVR_ISA_2xxe.
(avr_operand): Disallow post-increment addressing in the lpm
instruction for the attiny26.
* syscalls.cc (_isatty): Define as an alias to isatty to override newlib
version.
* thread.cc (pthread_kill): Deal with signal 0 as per POSIX and also avoid
manipulating an invalid thread.
Corinna Vinschen [Wed, 13 Feb 2008 14:50:39 +0000 (14:50 +0000)]
* posix.sgml: Move llrint, llrintf, llrintl, lrintl, rintl, wcstol,
wcstoll, wcstoul, wcstoull, wcsxfrm from unimplemented to implemented
POSIX interfaces.
Change headline of "GNU extensions" to "GNU and Linux extensions".
Add fgetxattr, flistxattr, fremovexattr, fsetxattr, getxattr, lgetxattr,
listxattr, llistxattr, lremovexattr, lsetxattr, removexattr, setxattr,
wcpcpy and wcpncpy to list of implemented GNU functions.
Corinna Vinschen [Wed, 13 Feb 2008 09:42:22 +0000 (09:42 +0000)]
* cygtls.cc (_cygtls::init_exception_handler): Revert patch
from 2005-12-02.
* exceptions.cc (stack_info::walk): Add workaround for NT 5.2
64 bit OSes.
* wincap.h (wincaps::has_restricted_stack_args): New element.
* wincap.cc: Implement above element throughout.
(wincapc::init): Reset has_restricted_stack_args if not running
under WOW64.
Jeff Johnston [Tue, 12 Feb 2008 21:21:13 +0000 (21:21 +0000)]
2008-02-11 Patrick Mansfield <patmans@us.ibm.com>
* libc/machine/spu/straddr.h: New file, supplies _straddr.
* libc/machine/spu/strcat.c: Use _straddr and _strcpy.
* libc/machine/spu/strcpy.c: Use _strcpy.
* libc/machine/spu/strcpy.h: Supply _strcpy for optimized SPU
str[n]cpy and str[n]cat.
* libc/machine/spu/strncat.c: Use _straddr and _strcpy.
* libc/machine/spu/strncpy.c: Use _strcpy.
Jeff Johnston [Tue, 12 Feb 2008 18:07:55 +0000 (18:07 +0000)]
2008-02-12 Jeff Johnston <jjohnstn@redhat.com>
* libc/machine/powerpc/vfprintf.c (_VFPRINTF_R): Prepare
for user specifying --disable-newlib-io-long-long on configure.
Call _fflush_r instead of fflush. For _mbtowc_r, pass the
reentrant pointer passed in rather than _REENT.
Jeff Johnston [Tue, 12 Feb 2008 17:20:09 +0000 (17:20 +0000)]
2008-02-12 Peter Rosin <peda@lysator.liu.se>
* libc/stdlib/getopt.c (getopt_internal): Handle optional
arguments better for long options and short options not
appearing as the first option in a sequence.
Jeff Johnston [Mon, 11 Feb 2008 22:19:59 +0000 (22:19 +0000)]
2008-02-11 Patrick Mansfield <patmans@us.ibm.com>
* libc/machine/spu/straddr.h: New file, supplies _straddr.
* libc/machine/spu/strcat.c: Use _straddr and _strcpy.
* libc/machine/spu/strcpy.c: Use _strcpy.
* libc/machine/spu/strcpy.h: Supply _strcpy for optimized SPU
str[n]cpy and str[n]cat.
* libc/machine/spu/strncat.c: Use _straddr and _strcpy.
* libc/machine/spu/strncpy.c: Use _strcpy.
Corinna Vinschen [Sun, 10 Feb 2008 15:43:04 +0000 (15:43 +0000)]
* Makefile.in (DLL_OFILES): Add ntea.o.
* cygwin.din (getxattr, listxattr, removexattr, setxattr, lgetxattr,
llistxattr, lremovexattr, lsetxattr, fgetxattr, flistxattr,
fremovexattr, fsetxattr): Export Linux extended attribute functions.
Sort.
* errno.cc (errmap): Add mappings for ERROR_EAS_DIDNT_FIT,
ERROR_EAS_NOT_SUPPORTED, ERROR_EA_LIST_INCONSISTENT,
ERROR_EA_TABLE_FULL, ERROR_FILE_CORRUPT, ERROR_INVALID_EA_NAME.
* fhandler.h (class fhandler_base): Declare new fgetxattr and
fsetxattr methods.
(class fhandler_disk_file): Ditto.
* fhandler.cc (fhandler_base::fgetxattr): New method.
(fhandler_base::fsetxattr): New method.
* fhandler_disk_file.cc (fhandler_disk_file::fgetxattr): New method.
(fhandler_disk_file::fsetxattr): New method.
* ntdll.h (STATUS_EA_TOO_LARGE): Define.
(STATUS_NONEXISTENT_EA_ENTRY): Define.
(STATUS_NO_EAS_ON_FILE): Define.
* ntea.cc (read_ea): Rewrite for long pathnames and for using with
Linux extended attribute functions.
(write_ea): Ditto.
(getxattr_worker): New static function.
(getxattr): New function.
(lgetxattr): New function.
(fgetxattr): New function.
(listxattr): New function.
(llistxattr): New function.
(flistxattr): New function.
(setxattr_worker): New static function.
(setxattr): New function.
(lsetxattr): New function.
(fsetxattr): New function.
(removexattr): New function.
(lsetxattr): New function.
(fsetxattr): New function.
* security.h (read_ea): Change declaration according to above changes.
(write_ea): Ditto.
* include/cygwin/version.h: Bump API minor version.
* dtable.cc (dtable::init_std_file_from_handle): Set access to
read/write of handle is connected to a tty or console.
* fhandler_dsp.cc (fhandler_dev_dsp::dup): Set open flags correctly
after duplicating from archetype.
* fhandler_tty.cc (fhandler_tty_slave::dup): Ditto.
(fhandler_pty_master::dup): Ditto.
* bsd_helper.cc: Replace %E __small_printf format specifier with %lu
and call to GetLastError throughout.
* bsd_mutex.cc: Ditto.
* sysv_sem.cc (semget): Replace %X __small_printf format specifier
with %llx.
* fhandler.h (fhandler_console::trunc_buf): Add to use as cache for
truncated multibyte characters on input.
(fhandler_console::write_replacement_char): Declare new method.
* fhandler_console.cc (CONVERT_LIMIT): Raise to 64K.
(fhandler_console::fhandler_console): Initialize trunc_buf.
(ERR): Define as independent value again.
(fhandler_console::write_replacement_char): New method to print
replacement chars.
(fhandler_console::write_normal): Add handling for truncated multibyte
sequences. Call next_char instead of pathetic CharNextExA function.
Don't change src, rather just work with found later on.
* miscfuncs.cc (is_cp_multibyte): Move here from strfuncs.cc.
Don't call Windows function, restrict to well-known ANSI/OEM codepages
and UTF-8.
(next_char): Call CharNextExA only for doublebyte codepages.
Implement for UTF-8 here.
* strfuncs.cc (is_cp_multibyte): Move to miscfuncs.cc.
* winsup.h (next_char): Declare.
* include/limits.h (MB_LEN_MAX): Set to maximum value of MB_CUR_MAX
as defined by newlib for now.