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libiconv 1.16

    1: /* Declaration for error-reporting function
    2:    Copyright (C) 1995-1997, 2003, 2006, 2008-2019 Free Software Foundation,
    3:    Inc.
    4:    This file is part of the GNU C Library.
    5: 
    6:    This program is free software: you can redistribute it and/or modify
    7:    it under the terms of the GNU General Public License as published by
    8:    the Free Software Foundation; either version 3 of the License, or
    9:    (at your option) any later version.
   10: 
   11:    This program is distributed in the hope that it will be useful,
   12:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   13:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   14:    GNU General Public License for more details.
   15: 
   16:    You should have received a copy of the GNU General Public License
   17:    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
   18: 
   19: #ifndef _ERROR_H
   20: #define _ERROR_H 1
   21: 
   22: /* The __attribute__ feature is available in gcc versions 2.5 and later.
   23:    The __-protected variants of the attributes 'format' and 'printf' are
   24:    accepted by gcc versions 2.6.4 (effectively 2.7) and later.
   25:    We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because
   26:    gnulib and libintl do '#define printf __printf__' when they override
   27:    the 'printf' function.  */
   28: #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
   29: # define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))
   30: #else
   31: # define _GL_ATTRIBUTE_FORMAT(spec) /* empty */
   32: #endif
   33: 
   34: /* On mingw, the flavor of printf depends on whether the extensions module
   35:  * is in use; the check for <stdio.h> determines the witness macro.  */
   36: #ifndef _GL_ATTRIBUTE_SPEC_PRINTF
   37: # if GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU
   38: #  define _GL_ATTRIBUTE_SPEC_PRINTF __gnu_printf__
   39: # else
   40: #  define _GL_ATTRIBUTE_SPEC_PRINTF __printf__
   41: # endif
   42: #endif
   43: 
   44: #ifdef __cplusplus
   45: extern "C" {
   46: #endif
   47: 
   48: /* Print a message with 'fprintf (stderr, FORMAT, ...)';
   49:    if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
   50:    If STATUS is nonzero, terminate the program with 'exit (STATUS)'.  */
   51: 
   52: extern void error (int __status, int __errnum, const char *__format, ...)
   53:      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 3, 4));
   54: 
   55: extern void error_at_line (int __status, int __errnum, const char *__fname,
   56:                            unsigned int __lineno, const char *__format, ...)
   57:      _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 5, 6));
   58: 
   59: /* If NULL, error will flush stdout, then print on stderr the program
   60:    name, a colon and a space.  Otherwise, error will call this
   61:    function without parameters instead.  */
   62: extern DLL_VARIABLE void (*error_print_progname) (void);
   63: 
   64: /* This variable is incremented each time 'error' is called.  */
   65: extern DLL_VARIABLE unsigned int error_message_count;
   66: 
   67: /* Sometimes we want to have at most one error per line.  This
   68:    variable controls whether this mode is selected or not.  */
   69: extern DLL_VARIABLE int error_one_per_line;
   70: 
   71: #ifdef __cplusplus
   72: }
   73: #endif
   74: 
   75: #endif /* error.h */