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lib/error.c
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Colin Cross
lib: Make error.c more like error(3)
12 сен 2021, 23:43
12 сен 2021, 23:43
7582a0d
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/* Definitions for error fallback functions. Copyright (C) 2021 Google, Inc. This file is part of elfutils. This file is free software; you can redistribute it and/or modify it under the terms of either * the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version or * the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version or both in parallel, as here. elfutils 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 copies of the GNU General Public License and the GNU Lesser General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <config.h> #if !defined(HAVE_ERROR_H) && defined(HAVE_ERR_H) #include <errno.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include <err.h> unsigned int error_message_count = 0; void error(int status, int errnum, const char *format, ...) { va_list argp; int saved_errno = errno; fflush (stdout); va_start(argp, format); if (status) { if (errnum) { errno = errnum; verr (status, format, argp); } else verrx (status, format, argp); } else { if (errnum) { errno = errnum; vwarn (format, argp); } else vwarnx (format, argp); } va_end(argp); fflush (stderr); ++error_message_count; errno = saved_errno; } #endif