For systems withour err/warn functions.

diff --git a/emul/err.h b/emul/err.h
new file mode 100644 (file)
index 0000000..637740b
--- /dev/null
+++ b/emul/err.h
@@ -0,0 +1,69 @@
+/*-
+ * Copyright (c) 1993
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *     @(#)err.h       8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _ERR_H_
+#define        _ERR_H_
+
+#ifdef __STDC__
+# include <stdarg.h>
+#else
+# include <varargs.h>
+#endif
+
+#if !defined(__GNUC__) || __GNUC__ < 2 || __GNUC__ == 2 && __GNUC_MINOR__ < 5
+#define __attribute__(x)
+#endif
+
+#ifdef __STDC__
+void   err(int, const char *, ...) __attribute__((__noreturn__));
+void   verr(int, const char *, va_list) __attribute__((__noreturn__));
+void   errx(int, const char *, ...) __attribute__((__noreturn__));
+void   verrx(int, const char *, va_list) __attribute__((__noreturn__));
+void   warn(const char *, ...);
+void   vwarn(const char *, va_list);
+void   warnx(const char *, ...);
+void   vwarnx(const char *, va_list);
+#else
+void   err() __attribute__((__noreturn__));
+void   verr() __attribute__((__noreturn__));
+void   errx() __attribute__((__noreturn__));
+void   verrx() __attribute__((__noreturn__));
+void   warn();
+void   vwarn();
+void   warnx();
+void   vwarnx();
+#endif /* __STDC__ */
+
+#endif /* !_ERR_H_ */