1 files changed, 63 insertions, 0 deletions
diff --git a/err.c b/err.c
new file mode 100644
index 0000000..49ea0ef
--- /dev/null
+++ b/err.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2006 Robert Millan
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#include <bsd/err.h>
+#include <errno.h>
+#include <stdarg.h>
+
+void
+warnc (int code, const char *format, ...)
+{
+  int tmp = errno;
+  va_list ap;
+  va_start (ap, format);
+
+  errno = code;
+  warn (format, ap);
+  errno = tmp;
+
+  va_end (ap);
+}
+
+void
+vwarnc (int code, const char *format, va_list ap)
+{
+  int tmp = errno;
+
+  errno = code;
+  vwarn (format, ap);
+  errno = tmp;
+}
+
+void
+errc (int status, int code, const char *format, ...)
+{
+  va_list ap;
+  va_start (ap, format);
+
+  errno = code;
+  err (status, format, ap);
+
+  va_end (ap);
+}
+
+void
+verrc (int status, int code, const char *format, va_list ap)
+{
+  errno = code;
+  verr (status, format, ap);
+}