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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
/* err.c --- 4.4BSD utility functions for error messages.
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Copyright (C) 1995, 1996, 1998 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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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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#ifdef USE_IN_LIBIO
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# define flockfile(s) _IO_flockfile (s)
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# define funlockfile(s) _IO_funlockfile (s)
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#endif
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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 (const char *format, __gnuc_va_list ap)
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{
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flockfile (stderr);
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if (__progname)
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fprintf (stderr, "%s: ", __progname);
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if (format)
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vfprintf (stderr, format, ap);
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putc_unlocked ('\n', stderr);
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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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int error = errno;
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flockfile (stderr);
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if (__progname)
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fprintf (stderr, "%s: ", __progname);
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if (format)
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{
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vfprintf (stderr, format, ap);
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fputs_unlocked (": ", stderr);
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}
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__set_errno (error);
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fprintf (stderr, "%m\n");
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funlockfile (stderr);
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}
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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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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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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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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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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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