1  /*
       2    Copyright (C) 2009  Andreas Gruenbacher <agruen@suse.de>
       3  
       4    This program is free software: you can redistribute it and/or modify it
       5    under the terms of the GNU Lesser General Public License as published by
       6    the Free Software Foundation, either version 2.1 of the License, or
       7    (at your option) 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
      12    GNU Lesser General Public License for more details.
      13  
      14    You should have received a copy of the GNU Lesser General Public License
      15    along with this program.  If not, see <http://www.gnu.org/licenses/>.
      16   */
      17  
      18  #ifndef __ERROR_CONTEXT_T
      19  #define __ERROR_CONTEXT_T
      20  
      21  #ifdef __cplusplus
      22  extern "C" {
      23  #endif
      24  
      25  struct error_context {
      26  	/* Process an error message */
      27  	void (*error) (struct error_context *, const char *, ...);
      28  
      29  	/* Quote a file name for including in an error message */
      30  	const char *(*quote) (struct error_context *, const char *);
      31  
      32  	/* Free a quoted name */
      33  	void (*quote_free) (struct error_context *, const char *);
      34  };
      35  
      36  #ifdef ERROR_CONTEXT_MACROS
      37  # define error(ctx, args...) do { \
      38  	if ((ctx) && (ctx)->error) \
      39  		(ctx)->error((ctx), args); \
      40  	} while(0)
      41  # define quote(ctx, name) \
      42  	( ((ctx) && (ctx)->quote) ? (ctx)->quote((ctx), (name)) : (name) )
      43  # define quote_free(ctx, name) do { \
      44  	if ((ctx) && (ctx)->quote_free) \
      45  		(ctx)->quote_free((ctx), (name)); \
      46  	} while(0)
      47  #endif
      48  
      49  #ifdef __cplusplus
      50  }
      51  #endif
      52  
      53  #endif  /* __ERROR_CONTEXT_T */