Add err.[ch] to portability checks (as yet unused).

get latest error.[ch] from glibc.

CVS patchset: 3310
CVS date: 1999/09/20 15:35:08

1 files changed, 109 insertions, 0 deletions

diff --git a/misc/err.c b/misc/err.c
new file mode 100644
index 000000000..348294427
--- /dev/null
+++ b/misc/err.c
@@ -0,0 +1,109 @@
+/* err.c --- 4.4BSD utility functions for error messages.
+   Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <stdarg.h>
+#include <err.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+
+#ifdef USE_IN_LIBIO
+# define flockfile(s) _IO_flockfile (s)
+# define funlockfile(s) _IO_funlockfile (s)
+#endif
+
+extern char *__progname;
+
+#define VA(call)							      \
+{									      \
+  va_list ap;								      \
+  va_start (ap, format);						      \
+  call;									      \
+  va_end (ap);								      \
+}
+
+void
+vwarnx (const char *format, __gnuc_va_list ap)
+{
+  flockfile (stderr);
+  if (__progname)
+    fprintf (stderr, "%s: ", __progname);
+  if (format)
+    vfprintf (stderr, format, ap);
+  putc_unlocked ('\n', stderr);
+  funlockfile (stderr);
+}
+
+void
+vwarn (const char *format, __gnuc_va_list ap)
+{
+  int error = errno;
+
+  flockfile (stderr);
+  if (__progname)
+    fprintf (stderr, "%s: ", __progname);
+  if (format)
+    {
+      vfprintf (stderr, format, ap);
+      fputs_unlocked (": ", stderr);
+    }
+  __set_errno (error);
+  fprintf (stderr, "%m\n");
+  funlockfile (stderr);
+}
+
+
+void
+warn (const char *format, ...)
+{
+  VA (vwarn (format, ap))
+}
+
+void
+warnx (const char *format, ...)
+{
+  VA (vwarnx (format, ap))
+}
+
+void
+verr (int status, const char *format, __gnuc_va_list ap)
+{
+  vwarn (format, ap);
+  exit (status);
+}
+
+void
+verrx (int status, const char *format, __gnuc_va_list ap)
+{
+  vwarnx (format, ap);
+  exit (status);
+}
+
+void
+err (int status, const char *format, ...)
+{
+  VA (verr (status, format, ap))
+}
+
+void
+errx (int status, const char *format, ...)
+{
+  VA (verrx (status, format, ap))
+}