LCOV - code coverage report
Current view: top level - lib/compat - gettext.h (source / functions) Hit Total Coverage
Test: dpkg 1.21.11 C code coverage Lines: 4 5 80.0 %
Date: 2022-12-03 00:40:01 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 1 2 50.0 %

           Branch data     Line data    Source code
       1                 :            : /* Convenience header for conditional use of GNU <libintl.h>.
       2                 :            :    Copyright (C) 1995-1998, 2000-2002, 2004-2006 Free Software Foundation, Inc.
       3                 :            : 
       4                 :            :    This program is free software; you can redistribute it and/or modify it
       5                 :            :    under the terms of the GNU General Public License as published
       6                 :            :    by the Free Software Foundation; either version 2, or (at your option)
       7                 :            :    any later version.
       8                 :            : 
       9                 :            :    This program is distributed in the hope that it will be useful,
      10                 :            :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      11                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12                 :            :    Library General Public License for more details.
      13                 :            : 
      14                 :            :    You should have received a copy of the GNU General Public
      15                 :            :    License along with this program; if not, write to the Free Software
      16                 :            :    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
      17                 :            :    USA.  */
      18                 :            : 
      19                 :            : #ifndef _LIBGETTEXT_H
      20                 :            : #define _LIBGETTEXT_H 1
      21                 :            : 
      22                 :            : /* NLS can be disabled through the configure --disable-nls option.  */
      23                 :            : #if ENABLE_NLS
      24                 :            : 
      25                 :            : /* Get declarations of GNU message catalog functions.  */
      26                 :            : # include <libintl.h>
      27                 :            : 
      28                 :            : /* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by
      29                 :            :    the gettext() and ngettext() macros.  This is an alternative to calling
      30                 :            :    textdomain(), and is useful for libraries.  */
      31                 :            : # ifdef DEFAULT_TEXT_DOMAIN
      32                 :            : #  undef gettext
      33                 :            : #  define gettext(Msgid) \
      34                 :            :      dgettext (DEFAULT_TEXT_DOMAIN, Msgid)
      35                 :            : #  undef ngettext
      36                 :            : #  define ngettext(Msgid1, Msgid2, N) \
      37                 :            :      dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N)
      38                 :            : # endif
      39                 :            : 
      40                 :            : #else
      41                 :            : 
      42                 :            : /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which
      43                 :            :    chokes if dcgettext is defined as a macro.  So include it now, to make
      44                 :            :    later inclusions of <locale.h> a NOP.  We don't include <libintl.h>
      45                 :            :    as well because people using "gettext.h" will not include <libintl.h>,
      46                 :            :    and also including <libintl.h> would fail on SunOS 4, whereas <locale.h>
      47                 :            :    is OK.  */
      48                 :            : #if defined(__sun)
      49                 :            : # include <locale.h>
      50                 :            : #endif
      51                 :            : 
      52                 :            : /* Many header files from the libstdc++ coming with g++ 3.3 or newer include
      53                 :            :    <libintl.h>, which chokes if dcgettext is defined as a macro.  So include
      54                 :            :    it now, to make later inclusions of <libintl.h> a NOP.  */
      55                 :            : #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3)
      56                 :            : # include <cstdlib>
      57                 :            : # if (__GLIBC__ >= 2 && !defined __UCLIBC__) || _GLIBCXX_HAVE_LIBINTL_H
      58                 :            : #  include <libintl.h>
      59                 :            : # endif
      60                 :            : #endif
      61                 :            : 
      62                 :            : /* Disabled NLS.
      63                 :            :    The casts to 'const char *' serve the purpose of producing warnings
      64                 :            :    for invalid uses of the value returned from these functions.
      65                 :            :    On pre-ANSI systems without 'const', the config.h file is supposed to
      66                 :            :    contain "#define const".  */
      67                 :            : # define gettext(Msgid) ((const char *) (Msgid))
      68                 :            : # define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid))
      69                 :            : # define dcgettext(Domainname, Msgid, Category) \
      70                 :            :     ((void) (Category), dgettext (Domainname, Msgid))
      71                 :            : # define ngettext(Msgid1, Msgid2, N) \
      72                 :            :     ((N) == 1 \
      73                 :            :      ? ((void) (Msgid2), (const char *) (Msgid1)) \
      74                 :            :      : ((void) (Msgid1), (const char *) (Msgid2)))
      75                 :            : # define dngettext(Domainname, Msgid1, Msgid2, N) \
      76                 :            :     ((void) (Domainname), ngettext (Msgid1, Msgid2, N))
      77                 :            : # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
      78                 :            :     ((void) (Category), dngettext(Domainname, Msgid1, Msgid2, N))
      79                 :            : # define textdomain(Domainname) ((const char *) (Domainname))
      80                 :            : # define bindtextdomain(Domainname, Dirname) \
      81                 :            :     ((void) (Domainname), (const char *) (Dirname))
      82                 :            : # define bind_textdomain_codeset(Domainname, Codeset) \
      83                 :            :     ((void) (Domainname), (const char *) (Codeset))
      84                 :            : 
      85                 :            : #endif
      86                 :            : 
      87                 :            : /* A pseudo function call that serves as a marker for the automated
      88                 :            :    extraction of messages, but does not call gettext().  The run-time
      89                 :            :    translation is done at a different place in the code.
      90                 :            :    The argument, String, should be a literal string.  Concatenated strings
      91                 :            :    and other string expressions won't work.
      92                 :            :    The macro's expansion is not parenthesized, so that it is suitable as
      93                 :            :    initializer for static 'char[]' or 'const char[]' variables.  */
      94                 :            : #define gettext_noop(String) String
      95                 :            : 
      96                 :            : /* The separator between msgctxt and msgid in a .mo file.  */
      97                 :            : #define GETTEXT_CONTEXT_GLUE "\004"
      98                 :            : 
      99                 :            : #if ENABLE_NLS
     100                 :            : 
     101                 :            : /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a
     102                 :            :    MSGID.  MSGCTXT and MSGID must be string literals.  MSGCTXT should be
     103                 :            :    short and rarely need to change.
     104                 :            :    The letter 'p' stands for 'particular' or 'special'.  */
     105                 :            : #ifdef DEFAULT_TEXT_DOMAIN
     106                 :            : # define pgettext(Msgctxt, Msgid) \
     107                 :            :    pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
     108                 :            : #else
     109                 :            : # define pgettext(Msgctxt, Msgid) \
     110                 :            :    pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
     111                 :            : #endif
     112                 :            : #define dpgettext(Domainname, Msgctxt, Msgid) \
     113                 :            :   pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
     114                 :            : #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
     115                 :            :   pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category)
     116                 :            : #ifdef DEFAULT_TEXT_DOMAIN
     117                 :            : # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
     118                 :            :    npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
     119                 :            : #else
     120                 :            : # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
     121                 :            :    npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
     122                 :            : #endif
     123                 :            : #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
     124                 :            :   npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
     125                 :            : #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
     126                 :            :   npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category)
     127                 :            : 
     128                 :            : #ifdef __GNUC__
     129                 :            : __inline
     130                 :            : #else
     131                 :            : #ifdef __cplusplus
     132                 :            : inline
     133                 :            : #endif
     134                 :            : #endif
     135                 :            : static const char *
     136                 :          4 : pgettext_aux (const char *domain,
     137                 :            :               const char *msg_ctxt_id, const char *msgid,
     138                 :            :               int category)
     139                 :            : {
     140                 :          4 :   const char *translation = dcgettext (domain, msg_ctxt_id, category);
     141         [ +  - ]:          4 :   if (translation == msg_ctxt_id)
     142                 :          4 :     return msgid;
     143                 :            :   else
     144                 :          0 :     return translation;
     145                 :            : }
     146                 :            : 
     147                 :            : #ifdef __GNUC__
     148                 :            : __inline
     149                 :            : #else
     150                 :            : #ifdef __cplusplus
     151                 :            : inline
     152                 :            : #endif
     153                 :            : #endif
     154                 :            : static const char *
     155                 :            : npgettext_aux (const char *domain,
     156                 :            :                const char *msg_ctxt_id, const char *msgid,
     157                 :            :                const char *msgid_plural, unsigned long int n,
     158                 :            :                int category)
     159                 :            : {
     160                 :            :   const char *translation =
     161                 :            :     dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
     162                 :            :   if (translation == msg_ctxt_id || translation == msgid_plural)
     163                 :            :     return (n == 1 ? msgid : msgid_plural);
     164                 :            :   else
     165                 :            :     return translation;
     166                 :            : }
     167                 :            : 
     168                 :            : /* The same thing extended for non-constant arguments.  Here MSGCTXT and MSGID
     169                 :            :    can be arbitrary expressions.  But for string literals these macros are
     170                 :            :    less efficient than those above.  */
     171                 :            : 
     172                 :            : #include <string.h>
     173                 :            : 
     174                 :            : #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
     175                 :            :   (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \
     176                 :            :    /* || __STDC_VERSION__ >= 199901L */ )
     177                 :            : 
     178                 :            : #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
     179                 :            : #include <stdlib.h>
     180                 :            : #endif
     181                 :            : 
     182                 :            : #define pgettext_expr(Msgctxt, Msgid) \
     183                 :            :   dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
     184                 :            : #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
     185                 :            :   dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
     186                 :            : 
     187                 :            : #ifdef __GNUC__
     188                 :            : __inline
     189                 :            : #else
     190                 :            : #ifdef __cplusplus
     191                 :            : inline
     192                 :            : #endif
     193                 :            : #endif
     194                 :            : static const char *
     195                 :            : dcpgettext_expr (const char *domain,
     196                 :            :                  const char *msgctxt, const char *msgid,
     197                 :            :                  int category)
     198                 :            : {
     199                 :            :   size_t msgctxt_len = strlen (msgctxt) + 1;
     200                 :            :   size_t msgid_len = strlen (msgid) + 1;
     201                 :            :   const char *translation;
     202                 :            : #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
     203                 :            :   char msg_ctxt_id[msgctxt_len + msgid_len];
     204                 :            : #else
     205                 :            :   char buf[1024];
     206                 :            :   char *msg_ctxt_id =
     207                 :            :     (msgctxt_len + msgid_len <= sizeof (buf)
     208                 :            :      ? buf
     209                 :            :      : (char *) malloc (msgctxt_len + msgid_len));
     210                 :            :   if (msg_ctxt_id != NULL)
     211                 :            : #endif
     212                 :            :     {
     213                 :            :       memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
     214                 :            :       msg_ctxt_id[msgctxt_len - 1] = '\004';
     215                 :            :       memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
     216                 :            :       translation = dcgettext (domain, msg_ctxt_id, category);
     217                 :            : #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
     218                 :            :       if (msg_ctxt_id != buf)
     219                 :            :         free (msg_ctxt_id);
     220                 :            : #endif
     221                 :            :       if (translation != msg_ctxt_id)
     222                 :            :         return translation;
     223                 :            :     }
     224                 :            :   return msgid;
     225                 :            : }
     226                 :            : 
     227                 :            : #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
     228                 :            :   dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
     229                 :            : #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
     230                 :            :   dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
     231                 :            : 
     232                 :            : #ifdef __GNUC__
     233                 :            : __inline
     234                 :            : #else
     235                 :            : #ifdef __cplusplus
     236                 :            : inline
     237                 :            : #endif
     238                 :            : #endif
     239                 :            : static const char *
     240                 :            : dcnpgettext_expr (const char *domain,
     241                 :            :                   const char *msgctxt, const char *msgid,
     242                 :            :                   const char *msgid_plural, unsigned long int n,
     243                 :            :                   int category)
     244                 :            : {
     245                 :            :   size_t msgctxt_len = strlen (msgctxt) + 1;
     246                 :            :   size_t msgid_len = strlen (msgid) + 1;
     247                 :            :   const char *translation;
     248                 :            : #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
     249                 :            :   char msg_ctxt_id[msgctxt_len + msgid_len];
     250                 :            : #else
     251                 :            :   char buf[1024];
     252                 :            :   char *msg_ctxt_id =
     253                 :            :     (msgctxt_len + msgid_len <= sizeof (buf)
     254                 :            :      ? buf
     255                 :            :      : (char *) malloc (msgctxt_len + msgid_len));
     256                 :            :   if (msg_ctxt_id != NULL)
     257                 :            : #endif
     258                 :            :     {
     259                 :            :       memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
     260                 :            :       msg_ctxt_id[msgctxt_len - 1] = '\004';
     261                 :            :       memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
     262                 :            :       translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
     263                 :            : #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
     264                 :            :       if (msg_ctxt_id != buf)
     265                 :            :         free (msg_ctxt_id);
     266                 :            : #endif
     267                 :            :       if (!(translation == msg_ctxt_id || translation == msgid_plural))
     268                 :            :         return translation;
     269                 :            :     }
     270                 :            :   return (n == 1 ? msgid : msgid_plural);
     271                 :            : }
     272                 :            : 
     273                 :            : #else /* ENABLE_NLS */
     274                 :            : 
     275                 :            : #define pgettext(Msgctxt, Msgid) ((void) (Msgctxt), gettext (Msgid))
     276                 :            : #define dpgettext(Domainname, Msgctxt, Msgid) \
     277                 :            :   ((void) (Domainname), pgettext (Msgctxt, Msgid))
     278                 :            : #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
     279                 :            :   ((void) (Category), dpgettext (Domainname, Msgctxt, Msgid))
     280                 :            : 
     281                 :            : #define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
     282                 :            :   ((void) (Msgctxt), ngettext (Msgid, MsgidPlural, N))
     283                 :            : #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
     284                 :            :   ((void) (Domainname), npgettext (Msgctxt, Msgid, MsgidPlural, N)
     285                 :            : #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
     286                 :            :    ((void) (Category), dnpgettext (Domainname, Msgctxt, Msgid, MsgidPlural, N)
     287                 :            : 
     288                 :            : #define pgettext_expr(Msgctxt, Msgid) pgettext (Msgctxt, Msgid)
     289                 :            : #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
     290                 :            :   dpgettext (Domainname, Msgctxt, Msgid)
     291                 :            : #define dcpgettext_expr(Domainname, Msgctxt, Msgid, Category) \
     292                 :            :   dcpgettext (Domainname, Msgctxt, Msgid, Category)
     293                 :            : 
     294                 :            : #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
     295                 :            :   npgettext (Msgctxt, Msgid, MsgidPlural, N)
     296                 :            : #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
     297                 :            :   dnpgettext (Domainname, Msgctxt, Msgid, MsgidPlural, N)
     298                 :            : #define dcnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
     299                 :            :   dcnpgettext (Domainname, Msgctxt, Msgid, MsgidPlural, N, Category)
     300                 :            : 
     301                 :            : #endif /* ENABLE_NLS */
     302                 :            : 
     303                 :            : #endif /* _LIBGETTEXT_H */

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