1 /* Declaration for error-reporting function 2 Copyright (C) 1995-1997, 2003, 2006, 2008-2021 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 /* Get _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, _GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM. */ 23 #include <stdio.h> 24 25 #ifdef __cplusplus 26 extern "C" { 27 #endif 28 29 /* Print a message with 'fprintf (stderr, FORMAT, ...)'; 30 if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM). 31 If STATUS is nonzero, terminate the program with 'exit (STATUS)'. */ 32 33 extern void error (int __status, int __errnum, const char *__format, ...) 34 #if GNULIB_VFPRINTF_POSIX 35 _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 3, 4)) 36 #else 37 _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 3, 4)) 38 #endif 39 ; 40 41 extern void error_at_line (int __status, int __errnum, const char *__fname, 42 unsigned int __lineno, const char *__format, ...) 43 #if GNULIB_VFPRINTF_POSIX 44 _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, 5, 6)) 45 #else 46 _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM, 5, 6)) 47 #endif 48 ; 49 50 /* If NULL, error will flush stdout, then print on stderr the program 51 name, a colon and a space. Otherwise, error will call this 52 function without parameters instead. */ 53 extern void (*error_print_progname) (void); 54 55 /* This variable is incremented each time 'error' is called. */ 56 extern unsigned int error_message_count; 57 58 /* Sometimes we want to have at most one error per line. This 59 variable controls whether this mode is selected or not. */ 60 extern int error_one_per_line; 61 62 #ifdef __cplusplus 63 } 64 #endif 65 66 #endif /* error.h */ 67