| /* Convenience header for conditional use of GNU <libintl.h>. |
| Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2019 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/>. */ |
| |
| #ifndef _LIBGETTEXT_H |
| #define _LIBGETTEXT_H 1 |
| |
| /* NLS can be disabled through the configure --disable-nls option |
| or through "#define ENABLE NLS 0" before including this file. */ |
| #if defined ENABLE_NLS && ENABLE_NLS |
| |
| /* Get declarations of GNU message catalog functions. */ |
| # include <libintl.h> |
| |
| /* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by |
| the gettext() and ngettext() macros. This is an alternative to calling |
| textdomain(), and is useful for libraries. */ |
| # ifdef DEFAULT_TEXT_DOMAIN |
| # undef gettext |
| # define gettext(Msgid) \ |
| dgettext (DEFAULT_TEXT_DOMAIN, Msgid) |
| # undef ngettext |
| # define ngettext(Msgid1, Msgid2, N) \ |
| dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N) |
| # endif |
| |
| #else |
| |
| /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which |
| chokes if dcgettext is defined as a macro. So include it now, to make |
| later inclusions of <locale.h> a NOP. We don't include <libintl.h> |
| as well because people using "gettext.h" will not include <libintl.h>, |
| and also including <libintl.h> would fail on SunOS 4, whereas <locale.h> |
| is OK. */ |
| #if defined(__sun) |
| # include <locale.h> |
| #endif |
| |
| /* Many header files from the libstdc++ coming with g++ 3.3 or newer include |
| <libintl.h>, which chokes if dcgettext is defined as a macro. So include |
| it now, to make later inclusions of <libintl.h> a NOP. */ |
| #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3) |
| # include <cstdlib> |
| # if (__GLIBC__ >= 2 && !defined __UCLIBC__) || _GLIBCXX_HAVE_LIBINTL_H |
| # include <libintl.h> |
| # endif |
| #endif |
| |
| /* Disabled NLS. |
| The casts to 'const char *' serve the purpose of producing warnings |
| for invalid uses of the value returned from these functions. |
| On pre-ANSI systems without 'const', the config.h file is supposed to |
| contain "#define const". */ |
| # undef gettext |
| # define gettext(Msgid) ((const char *) (Msgid)) |
| # undef dgettext |
| # define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid)) |
| # undef dcgettext |
| # define dcgettext(Domainname, Msgid, Category) \ |
| ((void) (Category), dgettext (Domainname, Msgid)) |
| # undef ngettext |
| # define ngettext(Msgid1, Msgid2, N) \ |
| ((N) == 1 \ |
| ? ((void) (Msgid2), (const char *) (Msgid1)) \ |
| : ((void) (Msgid1), (const char *) (Msgid2))) |
| # undef dngettext |
| # define dngettext(Domainname, Msgid1, Msgid2, N) \ |
| ((void) (Domainname), ngettext (Msgid1, Msgid2, N)) |
| # undef dcngettext |
| # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \ |
| ((void) (Category), dngettext (Domainname, Msgid1, Msgid2, N)) |
| # undef textdomain |
| # define textdomain(Domainname) ((const char *) (Domainname)) |
| # undef bindtextdomain |
| # define bindtextdomain(Domainname, Dirname) \ |
| ((void) (Domainname), (const char *) (Dirname)) |
| # undef bind_textdomain_codeset |
| # define bind_textdomain_codeset(Domainname, Codeset) \ |
| ((void) (Domainname), (const char *) (Codeset)) |
| |
| #endif |
| |
| /* Prefer gnulib's setlocale override over libintl's setlocale override. */ |
| #ifdef GNULIB_defined_setlocale |
| # undef setlocale |
| # define setlocale rpl_setlocale |
| #endif |
| |
| /* A pseudo function call that serves as a marker for the automated |
| extraction of messages, but does not call gettext(). The run-time |
| translation is done at a different place in the code. |
| The argument, String, should be a literal string. Concatenated strings |
| and other string expressions won't work. |
| The macro's expansion is not parenthesized, so that it is suitable as |
| initializer for static 'char[]' or 'const char[]' variables. */ |
| #define gettext_noop(String) String |
| |
| /* The separator between msgctxt and msgid in a .mo file. */ |
| #define GETTEXT_CONTEXT_GLUE "\004" |
| |
| /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a |
| MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be |
| short and rarely need to change. |
| The letter 'p' stands for 'particular' or 'special'. */ |
| #ifdef DEFAULT_TEXT_DOMAIN |
| # define pgettext(Msgctxt, Msgid) \ |
| pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
| #else |
| # define pgettext(Msgctxt, Msgid) \ |
| pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
| #endif |
| #define dpgettext(Domainname, Msgctxt, Msgid) \ |
| pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
| #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ |
| pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) |
| #ifdef DEFAULT_TEXT_DOMAIN |
| # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ |
| npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
| #else |
| # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ |
| npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
| #endif |
| #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ |
| npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
| #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ |
| npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) |
| |
| #ifdef __GNUC__ |
| __inline |
| #else |
| #ifdef __cplusplus |
| inline |
| #endif |
| #endif |
| static const char * |
| pgettext_aux (const char *domain, |
| const char *msg_ctxt_id, const char *msgid, |
| int category) |
| { |
| const char *translation = dcgettext (domain, msg_ctxt_id, category); |
| if (translation == msg_ctxt_id) |
| return msgid; |
| else |
| return translation; |
| } |
| |
| #ifdef __GNUC__ |
| __inline |
| #else |
| #ifdef __cplusplus |
| inline |
| #endif |
| #endif |
| static const char * |
| npgettext_aux (const char *domain, |
| const char *msg_ctxt_id, const char *msgid, |
| const char *msgid_plural, unsigned long int n, |
| int category) |
| { |
| const char *translation = |
| dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); |
| if (translation == msg_ctxt_id || translation == msgid_plural) |
| return (n == 1 ? msgid : msgid_plural); |
| else |
| return translation; |
| } |
| |
| /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID |
| can be arbitrary expressions. But for string literals these macros are |
| less efficient than those above. */ |
| |
| #include <string.h> |
| |
| /* GNULIB_NO_VLA can be defined to disable use of VLAs even if supported. |
| This relates to the -Wvla and -Wvla-larger-than warnings, enabled in |
| the default GCC many warnings set. This allows programs to disable use |
| of VLAs, which may be unintended, or may be awkward to support portably, |
| or may have security implications due to non-deterministic stack usage. */ |
| |
| #if (!defined GNULIB_NO_VLA \ |
| && (((__GNUC__ >= 3 || __GNUG__ >= 2) && !defined __STRICT_ANSI__) \ |
| /* || (__STDC_VERSION__ == 199901L && !defined __HP_cc) |
| || (__STDC_VERSION__ >= 201112L && !defined __STDC_NO_VLA__) */ )) |
| # define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 1 |
| #else |
| # define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 0 |
| #endif |
| |
| #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
| #include <stdlib.h> |
| #endif |
| |
| #define pgettext_expr(Msgctxt, Msgid) \ |
| dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES) |
| #define dpgettext_expr(Domainname, Msgctxt, Msgid) \ |
| dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES) |
| |
| #ifdef __GNUC__ |
| __inline |
| #else |
| #ifdef __cplusplus |
| inline |
| #endif |
| #endif |
| static const char * |
| dcpgettext_expr (const char *domain, |
| const char *msgctxt, const char *msgid, |
| int category) |
| { |
| size_t msgctxt_len = strlen (msgctxt) + 1; |
| size_t msgid_len = strlen (msgid) + 1; |
| const char *translation; |
| #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
| char msg_ctxt_id[msgctxt_len + msgid_len]; |
| #else |
| char buf[1024]; |
| char *msg_ctxt_id = |
| (msgctxt_len + msgid_len <= sizeof (buf) |
| ? buf |
| : (char *) malloc (msgctxt_len + msgid_len)); |
| if (msg_ctxt_id != NULL) |
| #endif |
| { |
| int found_translation; |
| memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); |
| msg_ctxt_id[msgctxt_len - 1] = '\004'; |
| memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); |
| translation = dcgettext (domain, msg_ctxt_id, category); |
| found_translation = (translation != msg_ctxt_id); |
| #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
| if (msg_ctxt_id != buf) |
| free (msg_ctxt_id); |
| #endif |
| if (found_translation) |
| return translation; |
| } |
| return msgid; |
| } |
| |
| #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \ |
| dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) |
| #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ |
| dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) |
| |
| #ifdef __GNUC__ |
| __inline |
| #else |
| #ifdef __cplusplus |
| inline |
| #endif |
| #endif |
| static const char * |
| dcnpgettext_expr (const char *domain, |
| const char *msgctxt, const char *msgid, |
| const char *msgid_plural, unsigned long int n, |
| int category) |
| { |
| size_t msgctxt_len = strlen (msgctxt) + 1; |
| size_t msgid_len = strlen (msgid) + 1; |
| const char *translation; |
| #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
| char msg_ctxt_id[msgctxt_len + msgid_len]; |
| #else |
| char buf[1024]; |
| char *msg_ctxt_id = |
| (msgctxt_len + msgid_len <= sizeof (buf) |
| ? buf |
| : (char *) malloc (msgctxt_len + msgid_len)); |
| if (msg_ctxt_id != NULL) |
| #endif |
| { |
| int found_translation; |
| memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); |
| msg_ctxt_id[msgctxt_len - 1] = '\004'; |
| memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); |
| translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); |
| found_translation = !(translation == msg_ctxt_id || translation == msgid_plural); |
| #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
| if (msg_ctxt_id != buf) |
| free (msg_ctxt_id); |
| #endif |
| if (found_translation) |
| return translation; |
| } |
| return (n == 1 ? msgid : msgid_plural); |
| } |
| |
| #endif /* _LIBGETTEXT_H */ |