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70fb8486df
Require both HAVE_STDARG_H && __STDC__==1 to allow inclusion of <stdarg.h> and use of ellipses, failing either we fall back on <varargs.h> and va_alist. Ensure stdarg.h/varargs.h appears before syslog.h in all cases to avoid problems on solaris.
163 lines
3.4 KiB
C
163 lines
3.4 KiB
C
/* 4.4BSD utility functions for error messages.
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Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file was 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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#include <err.h>
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include <stdio.h>
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extern char *__progname;
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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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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#define VAS VA
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#else /* !(HAVE_STDARG_H && __STDC__) */
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#define _VA(call, DECLS, INIT) \
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{ \
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DECLS \
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const char *format; \
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va_list ap; \
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va_start (ap); \
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INIT \
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format = va_arg (ap, const char *); \
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call; \
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va_end (ap); \
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}
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#define VA(call) _VA(call,,)
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#define VAS(call) _VA(call, int status;, status = va_arg (ap, int);)
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#endif /* HAVE_STDARG_H && __STDC__ */
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void
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vwarnx (format, ap)
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const char *format;
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va_list ap;
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{
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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 ('\n', stderr);
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}
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void
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vwarn (format, ap)
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const char *format;
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va_list ap;
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{
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int error = errno;
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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 (": ", stderr);
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}
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fprintf (stderr, "%s\n", strerror (error));
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}
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void
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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warn (const char *format, ...)
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#else
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warn (va_alist) va_dcl
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#endif
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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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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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warnx (const char *format, ...)
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#else
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warnx (va_alist) va_dcl
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#endif
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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 (status, format, ap)
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int status;
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const char *format;
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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 (status, format, ap)
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int status;
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const char *format;
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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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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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err (int status, const char *format, ...)
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#else
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err (va_alist) va_dcl
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#endif
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{
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VAS (verr (status, format, ap))
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}
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void
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#if defined(HAVE_STDARG_H) && defined(__STDC__) && __STDC__
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errx (int status, const char *format, ...)
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#else
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errx (va_alist) va_dcl
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#endif
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{
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VAS (verrx (status, format, ap))
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}
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