1855caec6SPeter Avalos /* Declaration for error-reporting function 2*6ea1f93eSDaniel Fojt Copyright (C) 1995-1997, 2003, 2006, 2008-2018 Free Software Foundation, 3008e37b6SJohn Marino Inc. 4855caec6SPeter Avalos This file is part of the GNU C Library. 5855caec6SPeter Avalos 644b87433SJohn Marino This program is free software: you can redistribute it and/or modify 7855caec6SPeter Avalos it under the terms of the GNU General Public License as published by 844b87433SJohn Marino the Free Software Foundation; either version 3 of the License, or 944b87433SJohn Marino (at your option) any later version. 10855caec6SPeter Avalos 11855caec6SPeter Avalos This program is distributed in the hope that it will be useful, 12855caec6SPeter Avalos but WITHOUT ANY WARRANTY; without even the implied warranty of 13855caec6SPeter Avalos MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14855caec6SPeter Avalos GNU General Public License for more details. 15855caec6SPeter Avalos 1644b87433SJohn Marino You should have received a copy of the GNU General Public License 17*6ea1f93eSDaniel Fojt along with this program. If not, see <https://www.gnu.org/licenses/>. */ 18855caec6SPeter Avalos 19855caec6SPeter Avalos #ifndef _ERROR_H 20855caec6SPeter Avalos #define _ERROR_H 1 21855caec6SPeter Avalos 2244b87433SJohn Marino /* The __attribute__ feature is available in gcc versions 2.5 and later. 2344b87433SJohn Marino The __-protected variants of the attributes 'format' and 'printf' are 2444b87433SJohn Marino accepted by gcc versions 2.6.4 (effectively 2.7) and later. 25008e37b6SJohn Marino We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because 2644b87433SJohn Marino gnulib and libintl do '#define printf __printf__' when they override 2744b87433SJohn Marino the 'printf' function. */ 28008e37b6SJohn Marino #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) 29008e37b6SJohn Marino # define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) 30008e37b6SJohn Marino #else 31008e37b6SJohn Marino # define _GL_ATTRIBUTE_FORMAT(spec) /* empty */ 32855caec6SPeter Avalos #endif 33855caec6SPeter Avalos 34*6ea1f93eSDaniel Fojt /* On mingw, the flavor of printf depends on whether the extensions module 35*6ea1f93eSDaniel Fojt * is in use; the check for <stdio.h> determines the witness macro. */ 36*6ea1f93eSDaniel Fojt #ifndef _GL_ATTRIBUTE_SPEC_PRINTF 37*6ea1f93eSDaniel Fojt # if GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU 38*6ea1f93eSDaniel Fojt # define _GL_ATTRIBUTE_SPEC_PRINTF __gnu_printf__ 39*6ea1f93eSDaniel Fojt # else 40*6ea1f93eSDaniel Fojt # define _GL_ATTRIBUTE_SPEC_PRINTF __printf__ 41*6ea1f93eSDaniel Fojt # endif 42*6ea1f93eSDaniel Fojt #endif 43*6ea1f93eSDaniel Fojt 44855caec6SPeter Avalos #ifdef __cplusplus 45855caec6SPeter Avalos extern "C" { 46855caec6SPeter Avalos #endif 47855caec6SPeter Avalos 484536c563SJohn Marino /* Print a message with 'fprintf (stderr, FORMAT, ...)'; 49855caec6SPeter Avalos if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM). 504536c563SJohn Marino If STATUS is nonzero, terminate the program with 'exit (STATUS)'. */ 51855caec6SPeter Avalos 52855caec6SPeter Avalos extern void error (int __status, int __errnum, const char *__format, ...) 53*6ea1f93eSDaniel Fojt _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 3, 4)); 54855caec6SPeter Avalos 55855caec6SPeter Avalos extern void error_at_line (int __status, int __errnum, const char *__fname, 56855caec6SPeter Avalos unsigned int __lineno, const char *__format, ...) 57*6ea1f93eSDaniel Fojt _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 5, 6)); 58855caec6SPeter Avalos 59855caec6SPeter Avalos /* If NULL, error will flush stdout, then print on stderr the program 60855caec6SPeter Avalos name, a colon and a space. Otherwise, error will call this 61855caec6SPeter Avalos function without parameters instead. */ 62855caec6SPeter Avalos extern void (*error_print_progname) (void); 63855caec6SPeter Avalos 644536c563SJohn Marino /* This variable is incremented each time 'error' is called. */ 65855caec6SPeter Avalos extern unsigned int error_message_count; 66855caec6SPeter Avalos 67855caec6SPeter Avalos /* Sometimes we want to have at most one error per line. This 68855caec6SPeter Avalos variable controls whether this mode is selected or not. */ 69855caec6SPeter Avalos extern int error_one_per_line; 70855caec6SPeter Avalos 71855caec6SPeter Avalos #ifdef __cplusplus 72855caec6SPeter Avalos } 73855caec6SPeter Avalos #endif 74855caec6SPeter Avalos 75855caec6SPeter Avalos #endif /* error.h */ 76