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75 lines
2.9 KiB
75 lines
2.9 KiB
/* Declaration for error-reporting function |
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Copyright (C) 1995-1997, 2003, 2006, 2008-2017 Free Software Foundation, |
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Inc. |
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This file is part of the GNU C Library. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
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#ifndef _ERROR_H |
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#define _ERROR_H 1 |
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/* The __attribute__ feature is available in gcc versions 2.5 and later. |
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The __-protected variants of the attributes 'format' and 'printf' are |
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accepted by gcc versions 2.6.4 (effectively 2.7) and later. |
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We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because |
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gnulib and libintl do '#define printf __printf__' when they override |
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the 'printf' function. */ |
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) |
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# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) |
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#else |
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# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */ |
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#endif |
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/* On mingw, the flavor of printf depends on whether the extensions module |
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* is in use; the check for <stdio.h> determines the witness macro. */ |
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#ifndef _GL_ATTRIBUTE_SPEC_PRINTF |
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# if GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU |
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# define _GL_ATTRIBUTE_SPEC_PRINTF __gnu_printf__ |
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# else |
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# define _GL_ATTRIBUTE_SPEC_PRINTF __printf__ |
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# endif |
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#endif |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Print a message with 'fprintf (stderr, FORMAT, ...)'; |
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if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM). |
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If STATUS is nonzero, terminate the program with 'exit (STATUS)'. */ |
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extern void error (int __status, int __errnum, const char *__format, ...) |
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_GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 3, 4)); |
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extern void error_at_line (int __status, int __errnum, const char *__fname, |
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unsigned int __lineno, const char *__format, ...) |
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_GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 5, 6)); |
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/* If NULL, error will flush stdout, then print on stderr the program |
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name, a colon and a space. Otherwise, error will call this |
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function without parameters instead. */ |
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extern DLL_VARIABLE void (*error_print_progname) (void); |
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/* This variable is incremented each time 'error' is called. */ |
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extern DLL_VARIABLE unsigned int error_message_count; |
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/* Sometimes we want to have at most one error per line. This |
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variable controls whether this mode is selected or not. */ |
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extern DLL_VARIABLE int error_one_per_line; |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* error.h */
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