LCOV - code coverage report
Current view: top level - lib/compat - gettext.h (source / functions) Coverage Total Hit
Test: dpkg 1.22.7-3-g89f48 C code coverage Lines: 80.0 % 5 4
Test Date: 2024-07-17 02:53:43 Functions: 100.0 % 1 1
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 50.0 % 2 1

             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                 :             :      ? (const char *)(Msgid1) \
      74                 :             :      : (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                 :             : /* We do not want VLAs, which have a terrible failure mode on stack
     175                 :             :  * exhaustion. */
     176                 :             : #if 0
     177                 :             : #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
     178                 :             :   (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \
     179                 :             :    /* || __STDC_VERSION__ >= 199901L */ )
     180                 :             : #endif
     181                 :             : 
     182                 :             : #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
     183                 :             : #include <stdlib.h>
     184                 :             : #endif
     185                 :             : 
     186                 :             : #define pgettext_expr(Msgctxt, Msgid) \
     187                 :             :   dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
     188                 :             : #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
     189                 :             :   dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
     190                 :             : 
     191                 :             : #ifdef __GNUC__
     192                 :             : __inline
     193                 :             : #else
     194                 :             : #ifdef __cplusplus
     195                 :             : inline
     196                 :             : #endif
     197                 :             : #endif
     198                 :             : static const char *
     199                 :             : dcpgettext_expr (const char *domain,
     200                 :             :                  const char *msgctxt, const char *msgid,
     201                 :             :                  int category)
     202                 :             : {
     203                 :             :   size_t msgctxt_len = strlen (msgctxt) + 1;
     204                 :             :   size_t msgid_len = strlen (msgid) + 1;
     205                 :             :   const char *translation;
     206                 :             : #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
     207                 :             :   char msg_ctxt_id[msgctxt_len + msgid_len];
     208                 :             : #else
     209                 :             :   char buf[1024];
     210                 :             :   char *msg_ctxt_id =
     211                 :             :     (msgctxt_len + msgid_len <= sizeof (buf)
     212                 :             :      ? buf
     213                 :             :      : (char *) malloc (msgctxt_len + msgid_len));
     214                 :             :   if (msg_ctxt_id != NULL)
     215                 :             : #endif
     216                 :             :     {
     217                 :             :       memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
     218                 :             :       msg_ctxt_id[msgctxt_len - 1] = '\004';
     219                 :             :       memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
     220                 :             :       translation = dcgettext (domain, msg_ctxt_id, category);
     221                 :             : #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
     222                 :             :       if (msg_ctxt_id != buf)
     223                 :             :         free (msg_ctxt_id);
     224                 :             : #endif
     225                 :             :       if (translation != msg_ctxt_id)
     226                 :             :         return translation;
     227                 :             :     }
     228                 :             :   return msgid;
     229                 :             : }
     230                 :             : 
     231                 :             : #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
     232                 :             :   dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
     233                 :             : #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
     234                 :             :   dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
     235                 :             : 
     236                 :             : #ifdef __GNUC__
     237                 :             : __inline
     238                 :             : #else
     239                 :             : #ifdef __cplusplus
     240                 :             : inline
     241                 :             : #endif
     242                 :             : #endif
     243                 :             : static const char *
     244                 :             : dcnpgettext_expr (const char *domain,
     245                 :             :                   const char *msgctxt, const char *msgid,
     246                 :             :                   const char *msgid_plural, unsigned long int n,
     247                 :             :                   int category)
     248                 :             : {
     249                 :             :   size_t msgctxt_len = strlen (msgctxt) + 1;
     250                 :             :   size_t msgid_len = strlen (msgid) + 1;
     251                 :             :   const char *translation;
     252                 :             : #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
     253                 :             :   char msg_ctxt_id[msgctxt_len + msgid_len];
     254                 :             : #else
     255                 :             :   char buf[1024];
     256                 :             :   char *msg_ctxt_id =
     257                 :             :     (msgctxt_len + msgid_len <= sizeof (buf)
     258                 :             :      ? buf
     259                 :             :      : (char *) malloc (msgctxt_len + msgid_len));
     260                 :             :   if (msg_ctxt_id != NULL)
     261                 :             : #endif
     262                 :             :     {
     263                 :             :       memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
     264                 :             :       msg_ctxt_id[msgctxt_len - 1] = '\004';
     265                 :             :       memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
     266                 :             :       translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
     267                 :             : #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
     268                 :             :       if (msg_ctxt_id != buf)
     269                 :             :         free (msg_ctxt_id);
     270                 :             : #endif
     271                 :             :       if (!(translation == msg_ctxt_id || translation == msgid_plural))
     272                 :             :         return translation;
     273                 :             :     }
     274                 :             :   return (n == 1 ? msgid : msgid_plural);
     275                 :             : }
     276                 :             : 
     277                 :             : #else /* ENABLE_NLS */
     278                 :             : 
     279                 :             : #define pgettext(Msgctxt, Msgid) ((void) (Msgctxt), gettext (Msgid))
     280                 :             : #define dpgettext(Domainname, Msgctxt, Msgid) \
     281                 :             :   ((void) (Domainname), pgettext (Msgctxt, Msgid))
     282                 :             : #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
     283                 :             :   ((void) (Category), dpgettext (Domainname, Msgctxt, Msgid))
     284                 :             : 
     285                 :             : #define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
     286                 :             :   ((void) (Msgctxt), ngettext (Msgid, MsgidPlural, N))
     287                 :             : #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
     288                 :             :   ((void) (Domainname), npgettext (Msgctxt, Msgid, MsgidPlural, N)
     289                 :             : #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
     290                 :             :    ((void) (Category), dnpgettext (Domainname, Msgctxt, Msgid, MsgidPlural, N)
     291                 :             : 
     292                 :             : #define pgettext_expr(Msgctxt, Msgid) pgettext (Msgctxt, Msgid)
     293                 :             : #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
     294                 :             :   dpgettext (Domainname, Msgctxt, Msgid)
     295                 :             : #define dcpgettext_expr(Domainname, Msgctxt, Msgid, Category) \
     296                 :             :   dcpgettext (Domainname, Msgctxt, Msgid, Category)
     297                 :             : 
     298                 :             : #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
     299                 :             :   npgettext (Msgctxt, Msgid, MsgidPlural, N)
     300                 :             : #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
     301                 :             :   dnpgettext (Domainname, Msgctxt, Msgid, MsgidPlural, N)
     302                 :             : #define dcnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
     303                 :             :   dcnpgettext (Domainname, Msgctxt, Msgid, MsgidPlural, N, Category)
     304                 :             : 
     305                 :             : #endif /* ENABLE_NLS */
     306                 :             : 
     307                 :             : #endif /* _LIBGETTEXT_H */
        

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