| 1 | /* Declaration for error-reporting function |
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| 2 | Copyright (C) 1995-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #ifndef _ERROR_H |
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| 20 | #define _ERROR_H 1 |
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| 21 | |
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| 22 | #include <features.h> |
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| 23 | |
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| 24 | |
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| 25 | __BEGIN_DECLS |
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| 26 | |
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| 27 | /* Print a message with `fprintf (stderr, FORMAT, ...)'; |
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| 28 | if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM). |
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| 29 | If STATUS is nonzero, terminate the program with `exit (STATUS)'. */ |
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| 30 | |
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| 31 | extern void error (int __status, int __errnum, const char *__format, ...) |
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| 32 | __attribute__ ((__format__ (__printf__, 3, 4))); |
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| 33 | |
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| 34 | extern void error_at_line (int __status, int __errnum, const char *__fname, |
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| 35 | unsigned int __lineno, const char *__format, ...) |
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| 36 | __attribute__ ((__format__ (__printf__, 5, 6))); |
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| 37 | |
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| 38 | /* If NULL, error will flush stdout, then print on stderr the program |
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| 39 | name, a colon and a space. Otherwise, error will call this |
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| 40 | function without parameters instead. */ |
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| 41 | extern void (*error_print_progname) (void); |
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| 42 | |
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| 43 | /* This variable is incremented each time `error' is called. */ |
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| 44 | extern unsigned int error_message_count; |
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| 45 | |
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| 46 | /* Sometimes we want to have at most one error per line. This |
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| 47 | variable controls whether this mode is selected or not. */ |
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| 48 | extern int error_one_per_line; |
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| 49 | |
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| 50 | #include <bits/floatn.h> |
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| 51 | #if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1 |
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| 52 | # include <bits/error-ldbl.h> |
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| 53 | #else |
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| 54 | /* Do not inline error and error_at_line when long double has the same |
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| 55 | size of double, nor when long double reuses the float128 |
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| 56 | implementation, because that would invalidate the redirections to the |
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| 57 | compatibility functions. */ |
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| 58 | # if defined __extern_always_inline && defined __va_arg_pack |
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| 59 | # include <bits/error.h> |
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| 60 | # endif |
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| 61 | #endif |
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| 62 | |
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| 63 | __END_DECLS |
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| 64 | |
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| 65 | #endif /* error.h */ |
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| 66 | |
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