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* wincap.h (wincaps::has_always_all_codepages): New element.
* wincap.cc: Implement above element throughout. * wchar.h (__sjis_mbtowc): Declare. (__eucjp_mbtowc): Ditto. (__gbk_mbtowc): Ditto. (__kr_mbtowc): Ditto. (__big5_mbtowc): Ditto. * syscalls.cc (internal_setlocale): Convert to char * function. Return parameter by default. Return NULL if request to use a charset can't be satisfied due to missing codepage support in the underlying OS. Fix comment. (setlocale): Store original locale. Restore to original locale if internal_setlocale returns NULL.
This commit is contained in:
Corinna Vinschen
parent
cb8ee36ae8
commit
20fc2f4936
@ -1,3 +1,19 @@
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2009-07-20 Corinna Vinschen <corinna@vinschen.de>
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* wincap.h (wincaps::has_always_all_codepages): New element.
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* wincap.cc: Implement above element throughout.
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* wchar.h (__sjis_mbtowc): Declare.
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(__eucjp_mbtowc): Ditto.
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(__gbk_mbtowc): Ditto.
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(__kr_mbtowc): Ditto.
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(__big5_mbtowc): Ditto.
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* syscalls.cc (internal_setlocale): Convert to char * function.
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Return parameter by default. Return NULL if request to use a
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charset can't be satisfied due to missing codepage support in the
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underlying OS. Fix comment.
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(setlocale): Store original locale. Restore to original locale if
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internal_setlocale returns NULL.
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2009-07-20 Corinna Vinschen <corinna@vinschen.de>
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* fork.cc (fork): Create local tmp_pathbuf. Explain why.
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@ -24,6 +24,7 @@ details. */
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#define pwrite __FOO_pwrite
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#include "winsup.h"
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#include "winnls.h"
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#include "miscfuncs.h"
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#include <sys/stat.h>
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#include <sys/vfs.h> /* needed for statfs */
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@ -36,6 +37,7 @@ details. */
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#include <sys/uio.h>
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#include <ctype.h>
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#include <locale.h>
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#include <wchar.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include <rpc.h>
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@ -4031,32 +4033,61 @@ unlinkat (int dirfd, const char *pathname, int flags)
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return (flags & AT_REMOVEDIR) ? rmdir (path) : unlink (path);
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}
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static void
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internal_setlocale ()
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static char *
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internal_setlocale (char *ret)
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{
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if (*cygheap->locale.charset == 'A')
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if (*__locale_charset () == 'A')
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{
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cygheap->locale.mbtowc = __utf8_mbtowc;
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cygheap->locale.wctomb = __utf8_wctomb;
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}
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else
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{
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if (!wincap.has_always_all_codepages ())
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{
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/* Prior to Windows Vista, many codepages are not installed by
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default, or can be deinstalled. The following codepages require
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that the respective conversion tables are installed into the OS.
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So we check if they are installed and if not, setlocale should
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fail. */
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CPINFO cpi;
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UINT cp = 0;
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if (__mbtowc == __sjis_mbtowc)
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cp = 932;
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else if (__mbtowc == __eucjp_mbtowc)
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cp = 20932;
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else if (__mbtowc == __gbk_mbtowc)
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cp = 963;
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else if (__mbtowc == __kr_mbtowc)
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cp = 949;
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else if (__mbtowc == __big5_mbtowc)
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cp = 950;
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if (cp && !GetCPInfo (cp, &cpi)
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&& GetLastError () == ERROR_INVALID_PARAMETER)
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return NULL;
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}
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cygheap->locale.mbtowc = __mbtowc;
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cygheap->locale.wctomb = __wctomb;
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}
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strcpy (cygheap->locale.charset, __locale_charset ());
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/* Each setlocale potentially changes the multibyte representation
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of the CWD. Therefore we have to rest the CWD's posix path and
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of the CWD. Therefore we have to reset the CWD's posix path and
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reevaluate the next time it's used. */
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/* FIXME: Other buffered paths might be affected as well. */
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cygheap->cwd.reset_posix ();
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return ret;
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}
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extern "C" char *
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setlocale (int category, const char *locale)
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{
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char old[(LC_MESSAGES + 1) * (ENCODING_LEN + 1/*"/"*/ + 1)];
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if (locale && (category == LC_ALL || category == LC_CTYPE)
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&& !wincap.has_always_all_codepages ())
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stpcpy (old, _setlocale_r (_REENT, category, NULL));
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char *ret = _setlocale_r (_REENT, category, locale);
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if (ret && locale && (category == LC_ALL || category == LC_CTYPE))
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internal_setlocale ();
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if (ret && locale && (category == LC_ALL || category == LC_CTYPE)
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&& !(ret = internal_setlocale (ret)))
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_setlocale_r (_REENT, category, old);
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return ret;
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}
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@ -28,6 +28,11 @@ extern mbtowc_f __ascii_mbtowc;
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extern mbtowc_f __utf8_mbtowc;
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extern mbtowc_f __iso_mbtowc;
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extern mbtowc_f __cp_mbtowc;
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extern mbtowc_f __sjis_mbtowc;
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extern mbtowc_f __eucjp_mbtowc;
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extern mbtowc_f __gbk_mbtowc;
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extern mbtowc_f __kr_mbtowc;
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extern mbtowc_f __big5_mbtowc;
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typedef int wctomb_f (struct _reent *, char *, wchar_t, const char *,
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mbstate_t *);
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@ -56,6 +56,7 @@ wincaps wincap_unknown __attribute__((section (".cygwin_dll_common"), shared)) =
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has_broken_udf:false,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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};
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wincaps wincap_nt4 __attribute__((section (".cygwin_dll_common"), shared)) = {
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@ -94,6 +95,7 @@ wincaps wincap_nt4 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_broken_udf:false,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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};
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wincaps wincap_nt4sp4 __attribute__((section (".cygwin_dll_common"), shared)) = {
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@ -132,6 +134,7 @@ wincaps wincap_nt4sp4 __attribute__((section (".cygwin_dll_common"), shared)) =
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has_broken_udf:false,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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};
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wincaps wincap_2000 __attribute__((section (".cygwin_dll_common"), shared)) = {
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@ -170,6 +173,7 @@ wincaps wincap_2000 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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};
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wincaps wincap_2000sp4 __attribute__((section (".cygwin_dll_common"), shared)) = {
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@ -208,6 +212,7 @@ wincaps wincap_2000sp4 __attribute__((section (".cygwin_dll_common"), shared)) =
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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};
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wincaps wincap_xp __attribute__((section (".cygwin_dll_common"), shared)) = {
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@ -246,6 +251,7 @@ wincaps wincap_xp __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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};
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wincaps wincap_xpsp1 __attribute__((section (".cygwin_dll_common"), shared)) = {
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@ -284,6 +290,7 @@ wincaps wincap_xpsp1 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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};
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wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
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@ -322,6 +329,7 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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};
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wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
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@ -360,6 +368,7 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_broken_udf:true,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:false,
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};
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wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
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@ -398,6 +407,7 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_broken_udf:false,
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has_console_handle_problem:false,
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has_broken_alloc_console:false,
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has_always_all_codepages:true,
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};
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wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
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@ -436,6 +446,7 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
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has_broken_udf:false,
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has_console_handle_problem:true,
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has_broken_alloc_console:true,
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has_always_all_codepages:true,
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};
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wincapc wincap __attribute__((section (".cygwin_dll_common"), shared));
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@ -48,6 +48,7 @@ struct wincaps
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unsigned has_broken_udf : 1;
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unsigned has_console_handle_problem : 1;
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unsigned has_broken_alloc_console : 1;
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unsigned has_always_all_codepages : 1;
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};
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class wincapc
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@ -102,6 +103,7 @@ public:
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bool IMPLEMENT (has_broken_udf)
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bool IMPLEMENT (has_console_handle_problem)
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bool IMPLEMENT (has_broken_alloc_console)
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bool IMPLEMENT (has_always_all_codepages)
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#undef IMPLEMENT
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};
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