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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:37:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:37:10 +0000
commitc9addba5cc770d2d231b34f6739f32c6be8690f1 (patch)
treec643da154a95a1d163137135050bb47858a1654e /gl/lib/error.in.h
parentInitial commit. (diff)
downloadman-db-c9addba5cc770d2d231b34f6739f32c6be8690f1.tar.xz
man-db-c9addba5cc770d2d231b34f6739f32c6be8690f1.zip
Adding upstream version 2.12.0.upstream/2.12.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gl/lib/error.in.h')
-rw-r--r--gl/lib/error.in.h215
1 files changed, 215 insertions, 0 deletions
diff --git a/gl/lib/error.in.h b/gl/lib/error.in.h
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+/* Declarations for error-reporting functions.
+ Copyright (C) 1995-1997, 2003, 2006, 2008-2023 Free Software Foundation,
+ Inc.
+ This file is part of the GNU C Library.
+
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ This file is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#ifndef _@GUARD_PREFIX@_ERROR_H
+
+/* No @PRAGMA_SYSTEM_HEADER@ here, because it would prevent
+ -Wimplicit-fallthrough warnings for missing FALLTHROUGH after error(...)
+ or error_at_line(...) invocations. */
+
+/* The include_next requires a split double-inclusion guard. */
+#if @HAVE_ERROR_H@
+# @INCLUDE_NEXT@ @NEXT_ERROR_H@
+#endif
+
+#ifndef _@GUARD_PREFIX@_ERROR_H
+#define _@GUARD_PREFIX@_ERROR_H
+
+/* This file uses _GL_ATTRIBUTE_ALWAYS_INLINE, _GL_ATTRIBUTE_FORMAT,
+ _GL_ATTRIBUTE_MAYBE_UNUSED. */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
+/* Get 'unreachable'. */
+#include <stddef.h>
+
+/* Get _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, _GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM. */
+#include <stdio.h>
+
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
+
+#if GNULIB_VFPRINTF_POSIX
+# define _GL_ATTRIBUTE_SPEC_PRINTF_ERROR _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD
+#else
+# define _GL_ATTRIBUTE_SPEC_PRINTF_ERROR _GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM
+#endif
+
+/* Helper macro for supporting the compiler's control flow analysis better.
+ It evaluates its arguments only once.
+ Test case: Compile copy-file.c with "gcc -Wimplicit-fallthrough". */
+#ifdef __GNUC__
+/* Use 'unreachable' to tell the compiler when the function call does not
+ return. */
+# define __gl_error_call1(function, status, ...) \
+ ((function) (status, __VA_ARGS__), \
+ (status) != 0 ? unreachable () : (void) 0)
+/* If STATUS is a not a constant, the function call may or may not return;
+ therefore -Wimplicit-fallthrough will produce a warning. Use a compound
+ statement in order to evaluate STATUS only once.
+ If STATUS is a constant, we don't use a compound statement, because that
+ would trigger a -Wimplicit-fallthrough warning even when STATUS is != 0,
+ when not optimizing. This causes STATUS to be evaluated twice, but
+ that's OK since it does not have side effects. */
+# define __gl_error_call(function, status, ...) \
+ (__builtin_constant_p (status) \
+ ? __gl_error_call1 (function, status, __VA_ARGS__) \
+ : ({ \
+ int const __errstatus = status; \
+ __gl_error_call1 (function, __errstatus, __VA_ARGS__); \
+ }))
+#else
+# define __gl_error_call(function, status, ...) \
+ (function) (status, __VA_ARGS__)
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Print a message with 'fprintf (stderr, FORMAT, ...)';
+ if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
+ If STATUS is nonzero, terminate the program with 'exit (STATUS)'. */
+#if @REPLACE_ERROR@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef error
+# define error rpl_error
+# endif
+_GL_FUNCDECL_RPL (error, void,
+ (int __status, int __errnum, const char *__format, ...)
+ _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_ERROR, 3, 4)));
+_GL_CXXALIAS_RPL (error, void,
+ (int __status, int __errnum, const char *__format, ...));
+# ifndef _GL_NO_INLINE_ERROR
+# undef error
+# define error(status, ...) \
+ __gl_error_call (rpl_error, status, __VA_ARGS__)
+# endif
+#else
+# if ! @HAVE_ERROR@
+_GL_FUNCDECL_SYS (error, void,
+ (int __status, int __errnum, const char *__format, ...)
+ _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_ERROR, 3, 4)));
+# endif
+_GL_CXXALIAS_SYS (error, void,
+ (int __status, int __errnum, const char *__format, ...));
+# ifndef _GL_NO_INLINE_ERROR
+# ifdef error
+/* Only gcc ≥ 4.7 has __builtin_va_arg_pack. */
+# if _GL_GNUC_PREREQ (4, 7)
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wattributes"
+_GL_ATTRIBUTE_MAYBE_UNUSED
+static void
+_GL_ATTRIBUTE_ALWAYS_INLINE
+_GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_ERROR, 3, 4))
+_gl_inline_error (int __status, int __errnum, const char *__format, ...)
+{
+ return error (__status, __errnum, __format, __builtin_va_arg_pack ());
+}
+# pragma GCC diagnostic pop
+# undef error
+# define error(status, ...) \
+ __gl_error_call (_gl_inline_error, status, __VA_ARGS__)
+# endif
+# else
+# define error(status, ...) \
+ __gl_error_call (error, status, __VA_ARGS__)
+# endif
+# endif
+#endif
+#if __GLIBC__ >= 2
+_GL_CXXALIASWARN (error);
+#endif
+
+/* Likewise. If FILENAME is non-NULL, include FILENAME:LINENO: in the
+ message. */
+#if @REPLACE_ERROR_AT_LINE@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef error_at_line
+# define error_at_line rpl_error_at_line
+# endif
+_GL_FUNCDECL_RPL (error_at_line, void,
+ (int __status, int __errnum, const char *__filename,
+ unsigned int __lineno, const char *__format, ...)
+ _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_ERROR, 5, 6)));
+_GL_CXXALIAS_RPL (error_at_line, void,
+ (int __status, int __errnum, const char *__filename,
+ unsigned int __lineno, const char *__format, ...));
+# ifndef _GL_NO_INLINE_ERROR
+# undef error_at_line
+# define error_at_line(status, ...) \
+ __gl_error_call (rpl_error_at_line, status, __VA_ARGS__)
+# endif
+#else
+# if ! @HAVE_ERROR_AT_LINE@
+_GL_FUNCDECL_SYS (error_at_line, void,
+ (int __status, int __errnum, const char *__filename,
+ unsigned int __lineno, const char *__format, ...)
+ _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_ERROR, 5, 6)));
+# endif
+_GL_CXXALIAS_SYS (error_at_line, void,
+ (int __status, int __errnum, const char *__filename,
+ unsigned int __lineno, const char *__format, ...));
+# ifndef _GL_NO_INLINE_ERROR
+# ifdef error_at_line
+/* Only gcc ≥ 4.7 has __builtin_va_arg_pack. */
+# if _GL_GNUC_PREREQ (4, 7)
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wattributes"
+_GL_ATTRIBUTE_MAYBE_UNUSED
+static void
+_GL_ATTRIBUTE_ALWAYS_INLINE
+_GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_ERROR, 5, 6))
+_gl_inline_error_at_line (int __status, int __errnum, const char *__filename,
+ unsigned int __lineno, const char *__format, ...)
+{
+ return error_at_line (__status, __errnum, __filename, __lineno, __format,
+ __builtin_va_arg_pack ());
+}
+# pragma GCC diagnostic pop
+# undef error_at_line
+# define error_at_line(status, ...) \
+ __gl_error_call (_gl_inline_error_at_line, status, __VA_ARGS__)
+# endif
+# else
+# define error_at_line(status, ...) \
+ __gl_error_call (error_at_line, status, __VA_ARGS__)
+# endif
+# endif
+#endif
+_GL_CXXALIASWARN (error_at_line);
+
+/* If NULL, error will flush stdout, then print on stderr the program
+ name, a colon and a space. Otherwise, error will call this
+ function without parameters instead. */
+extern void (*error_print_progname) (void);
+
+/* This variable is incremented each time 'error' is called. */
+extern unsigned int error_message_count;
+
+/* Sometimes we want to have at most one error per line. This
+ variable controls whether this mode is selected or not. */
+extern int error_one_per_line;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _@GUARD_PREFIX@_ERROR_H */
+#endif /* _@GUARD_PREFIX@_ERROR_H */