Move err.h replacements into compat lib.

Move implementations of err.h replacement functions into their own file
in the libopenbsd-compat so we can use them in kexfuzz.c too.  ok djm@

1 files changed, 71 insertions, 0 deletions

diff --git a/openbsd-compat/bsd-err.c b/openbsd-compat/bsd-err.c
new file mode 100644
index 000000000..ab10646f0
--- /dev/null
+++ b/openbsd-compat/bsd-err.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2015 Tim Rice <tim@multitalents.net>
+ *
+ * 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. The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#include "includes.h"
+
+#ifndef HAVE_ERR
+void
+err(int r, const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	fprintf(stderr, "%s: ", strerror(errno));
+	vfprintf(stderr, fmt, args);
+	fputc('\n', stderr);
+	va_end(args);
+	exit(r);
+}
+#endif
+
+#ifndef HAVE_ERRX
+void
+errx(int r, const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	vfprintf(stderr, fmt, args);
+	fputc('\n', stderr);
+	va_end(args);
+	exit(r);
+}
+#endif
+
+#ifndef HAVE_WARN
+void
+warn(const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	fprintf(stderr, "%s: ", strerror(errno));
+	vfprintf(stderr, fmt, args);
+	fputc('\n', stderr);
+	va_end(args);
+}
+#endif