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e6a252758c
GCC docs explicitly list perror () as a good candidate for using __attribute__ ((cold)). So apply __COLD to perror () and similar functions. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org> Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> Message-Id: <20230429131223.2507236-3-bugaevc@gmail.com>
63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/* 4.4BSD utility functions for error messages.
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Copyright (C) 1995-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _ERR_H
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#define _ERR_H 1
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#include <features.h>
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#define __need___va_list
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#include <stdarg.h>
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#ifndef __GNUC_VA_LIST
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# define __gnuc_va_list void *
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#endif
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__BEGIN_DECLS
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/* Print "program: ", FORMAT, ": ", the standard error string for errno,
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and a newline, on stderr. */
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extern void warn (const char *__format, ...)
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__attribute__ ((__format__ (__printf__, 1, 2))) __COLD;
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extern void vwarn (const char *__format, __gnuc_va_list)
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__attribute__ ((__format__ (__printf__, 1, 0))) __COLD;
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/* Likewise, but without ": " and the standard error string. */
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extern void warnx (const char *__format, ...)
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__attribute__ ((__format__ (__printf__, 1, 2)));
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extern void vwarnx (const char *__format, __gnuc_va_list)
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__attribute__ ((__format__ (__printf__, 1, 0)));
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/* Likewise, and then exit with STATUS. */
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extern void err (int __status, const char *__format, ...)
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__attribute__ ((__noreturn__, __format__ (__printf__, 2, 3))) __COLD;
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extern void verr (int __status, const char *__format, __gnuc_va_list)
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__attribute__ ((__noreturn__, __format__ (__printf__, 2, 0))) __COLD;
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extern void errx (int __status, const char *__format, ...)
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__attribute__ ((__noreturn__, __format__ (__printf__, 2, 3))) __COLD;
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extern void verrx (int __status, const char *, __gnuc_va_list)
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__attribute__ ((__noreturn__, __format__ (__printf__, 2, 0))) __COLD;
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#include <bits/floatn.h>
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#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
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# include <bits/err-ldbl.h>
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#endif
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__END_DECLS
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#endif /* err.h */
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