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/* Declarations for error-reporting facilities.
Copyright (C) 1986-2023 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef COMMON_ERRORS_H
#define COMMON_ERRORS_H
/* A problem was detected, but the requested operation can still
proceed. A warning message is constructed using a printf- or
vprintf-style argument list. The function "vwarning" must be
provided by the client. */
extern void warning (const char *fmt, ...)
ATTRIBUTE_PRINTF (1, 2);
extern void vwarning (const char *fmt, va_list args)
ATTRIBUTE_PRINTF (1, 0);
/* A non-predictable, non-fatal error was detected. The requested
operation cannot proceed. An error message is constructed using
a printf- or vprintf-style argument list. These functions do not
return. The function "verror" must be provided by the client. */
extern void error (const char *fmt, ...)
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
extern void verror (const char *fmt, va_list args)
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
/* An internal error was detected. Internal errors indicate
programming errors such as assertion failures, as opposed to
more general errors beyond the application's control. These
functions do not return. An error message is constructed using
a printf- or vprintf-style argument list. FILE and LINE
indicate the file and line number where the programming error
was detected. Most client code should call the internal_error
wrapper macro instead, which expands the source location
automatically. The function "internal_verror" must be provided
by the client. */
extern void internal_error_loc (const char *file, int line,
const char *fmt, ...)
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 4);
#define internal_error(fmt, ...) \
internal_error_loc (__FILE__, __LINE__, fmt, ##__VA_ARGS__)
extern void internal_verror (const char *file, int line,
const char *fmt, va_list args)
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
/* An internal problem was detected, but the requested operation can
still proceed. Internal warnings indicate programming errors as
opposed to more general issues beyond the application's control.
A warning message is constructed using a printf- or vprintf-style
argument list. The function "internal_vwarning" must be provided
by the client. */
extern void internal_warning_loc (const char *file, int line,
const char *fmt, ...)
ATTRIBUTE_PRINTF (3, 4);
#define internal_warning(fmt, ...) \
internal_warning_loc (__FILE__, __LINE__, fmt, ##__VA_ARGS__)
extern void internal_vwarning (const char *file, int line,
const char *fmt, va_list args)
ATTRIBUTE_PRINTF (3, 0);
/* Return a newly allocated string, containing the PREFIX followed
by the system error message for errno (separated by a colon).
If ERRNUM is given, then use it in place of errno. */
extern std::string perror_string (const char *prefix, int errnum = 0);
/* Like "error", but the error message is constructed by combining
STRING with the system error message for errno. If ERRNUM is given,
then use it in place of errno. This function does not return. */
extern void perror_with_name (const char *string, int errnum = 0)
ATTRIBUTE_NORETURN;
/* Call this function to handle memory allocation failures. This
function does not return. This function must be provided by the
client. */
extern void malloc_failure (long size) ATTRIBUTE_NORETURN;
/* Flush stdout and stderr. Must be provided by the client. */
extern void flush_streams ();
#if defined(USE_WIN32API) || defined(__CYGWIN__)
/* Map the Windows error number in ERROR to a locale-dependent error
message string and return a pointer to it. Typically, the values
for ERROR come from GetLastError.
The string pointed to shall not be modified by the application,
but may be overwritten by a subsequent call to strwinerror
The strwinerror function does not change the current setting
of GetLastError. */
extern const char *strwinerror (ULONGEST error);
#endif /* USE_WIN32API */
#endif /* COMMON_ERRORS_H */
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