1  /* Error handling during reading and writing of PO files.
       2     Copyright (C) 2004, 2006, 2012 Free Software Foundation, Inc.
       3     Written by Bruno Haible <bruno@clisp.org>, 2004.
       4  
       5     This program is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU General Public License as published by
       7     the Free Software Foundation; either version 3 of the License, or
       8     (at your option) any later version.
       9  
      10     This program is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13     GNU General Public License for more details.
      14  
      15     You should have received a copy of the GNU General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  #ifndef _PO_ERROR_H
      19  #define _PO_ERROR_H
      20  
      21  #ifndef __attribute__
      22  /* This feature is available in gcc versions 2.5 and later.  */
      23  # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
      24  #  define __attribute__(Spec) /* empty */
      25  # endif
      26  /* The __-protected variants of 'format' and 'printf' attributes
      27     are accepted by gcc versions 2.6.4 (effectively 2.7) and later.  */
      28  # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
      29  #  define __format__ format
      30  #  define __printf__ printf
      31  # endif
      32  #endif
      33  
      34  #ifdef __cplusplus
      35  extern "C" {
      36  #endif 
      37  
      38  
      39  /* Both functions must work like the GNU error(), error_at_line() functions.
      40     In particular,
      41       - The functions must not return if the status code is nonzero.
      42       - The functions must increment the error_message_count variable declared
      43         in error.h.  */
      44  
      45  extern DLL_VARIABLE
      46         void (*po_error) (int status, int errnum,
      47                           const char *format, ...)
      48  #if (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) || __GNUC__ > 3
      49         __attribute__ ((__format__ (__printf__, 3, 4)))
      50  #endif
      51         ;
      52  extern DLL_VARIABLE
      53         void (*po_error_at_line) (int status, int errnum,
      54                                   const char *filename, unsigned int lineno,
      55                                   const char *format, ...)
      56  #if (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) || __GNUC__ > 3
      57         __attribute__ ((__format__ (__printf__, 5, 6)))
      58  #endif
      59         ;
      60  
      61  /* Both functions must work like the xerror.h multiline_warning(),
      62     multiline_error() functions.  In particular,
      63       - multiline_error must increment the error_message_count variable declared
      64         in error.h if prefix != NULL.  */
      65  
      66  extern DLL_VARIABLE
      67         void (*po_multiline_warning) (char *prefix, char *message);
      68  extern DLL_VARIABLE
      69         void (*po_multiline_error) (char *prefix, char *message);
      70  
      71  
      72  #ifdef __cplusplus
      73  }
      74  #endif
      75  
      76  #endif /* _PO_ERROR_H */