1 /* 4.4BSD utility functions for error messages. 2 Copyright (C) 1995-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library 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 GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _ERR_H 20 #define _ERR_H 1 21 22 #include <features.h> 23 24 #define __need___va_list 25 #include <stdarg.h> 26 #ifndef __GNUC_VA_LIST 27 # define __gnuc_va_list void * 28 #endif 29 30 __BEGIN_DECLS 31 32 /* Print "program: ", FORMAT, ": ", the standard error string for errno, 33 and a newline, on stderr. */ 34 extern void warn (const char *__format, ...) 35 __attribute__ ((__format__ (__printf__, 1, 2))); 36 extern void vwarn (const char *__format, __gnuc_va_list) 37 __attribute__ ((__format__ (__printf__, 1, 0))); 38 39 /* Likewise, but without ": " and the standard error string. */ 40 extern void warnx (const char *__format, ...) 41 __attribute__ ((__format__ (__printf__, 1, 2))); 42 extern void vwarnx (const char *__format, __gnuc_va_list) 43 __attribute__ ((__format__ (__printf__, 1, 0))); 44 45 /* Likewise, and then exit with STATUS. */ 46 extern void err (int __status, const char *__format, ...) 47 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3))); 48 extern void verr (int __status, const char *__format, __gnuc_va_list) 49 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0))); 50 extern void errx (int __status, const char *__format, ...) 51 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3))); 52 extern void verrx (int __status, const char *, __gnuc_va_list) 53 __attribute__ ((__noreturn__, __format__ (__printf__, 2, 0))); 54 55 #include <bits/floatn.h> 56 #if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 57 # include <bits/err-ldbl.h> 58 #endif 59 60 __END_DECLS 61 62 #endif /* err.h */ 63