129 lines
2.8 KiB
C
129 lines
2.8 KiB
C
/* 4.4BSD utility functions for error messages.
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Copyright (C) 1995-2022 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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#include <stdarg.h>
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#include <err.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <wchar.h>
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#define flockfile(s) _IO_flockfile (s)
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#define funlockfile(s) _IO_funlockfile (s)
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extern char *__progname;
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#define VA(call) \
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{ \
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va_list ap; \
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va_start (ap, format); \
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call; \
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va_end (ap); \
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}
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void
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__vwarnx_internal (const char *format, __gnuc_va_list ap,
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unsigned int mode_flags)
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{
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flockfile (stderr);
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__fxprintf (stderr, "%s: ", __progname);
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if (format != NULL)
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__vfxprintf (stderr, format, ap, mode_flags);
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__fxprintf (stderr, "\n");
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funlockfile (stderr);
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}
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void
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__vwarn_internal (const char *format, __gnuc_va_list ap,
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unsigned int mode_flags)
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{
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int error = errno;
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flockfile (stderr);
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if (format != NULL)
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{
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__fxprintf (stderr, "%s: ", __progname);
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__vfxprintf (stderr, format, ap, mode_flags);
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__set_errno (error);
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__fxprintf (stderr, ": %m\n");
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}
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else
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{
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__set_errno (error);
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__fxprintf (stderr, "%s: %m\n", __progname);
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}
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funlockfile (stderr);
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}
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void
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vwarn (const char *format, __gnuc_va_list ap)
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{
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__vwarn_internal (format, ap, 0);
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}
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libc_hidden_def (vwarn)
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void
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vwarnx (const char *format, __gnuc_va_list ap)
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{
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__vwarnx_internal (format, ap, 0);
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}
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libc_hidden_def (vwarnx)
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void
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warn (const char *format, ...)
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{
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VA (vwarn (format, ap))
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}
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libc_hidden_def (warn)
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void
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warnx (const char *format, ...)
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{
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VA (vwarnx (format, ap))
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}
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libc_hidden_def (warnx)
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void
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verr (int status, const char *format, __gnuc_va_list ap)
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{
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vwarn (format, ap);
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exit (status);
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}
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libc_hidden_def (verr)
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void
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verrx (int status, const char *format, __gnuc_va_list ap)
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{
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vwarnx (format, ap);
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exit (status);
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}
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libc_hidden_def (verrx)
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void
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err (int status, const char *format, ...)
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{
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VA (verr (status, format, ap))
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}
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void
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errx (int status, const char *format, ...)
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{
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VA (verrx (status, format, ap))
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}
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