1 files changed, 117 insertions, 0 deletions
diff --git a/usr/src/lib/libzdoor/common/zerror.c b/usr/src/lib/libzdoor/common/zerror.c
new file mode 100644
index 0000000000..5ccb449e1b
--- /dev/null
+++ b/usr/src/lib/libzdoor/common/zerror.c
@@ -0,0 +1,117 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2011 Joyent, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <pthread.h>
+#include <sys/types.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "zerror.h"
+
+static const char *PREFIX = "%s ZDOOR:%s:T(%d): ";
+
+static const char *DEBUG_ENV_VAR = "ZDOOR_TRACE";
+
+static boolean_t
+is_debug_enabled()
+{
+	boolean_t enabled = B_FALSE;
+	const char *_envp = getenv(DEBUG_ENV_VAR);
+	if (_envp != NULL && atoi(_envp) >= 2)
+		enabled = B_TRUE;
+
+	return (enabled);
+}
+
+static boolean_t
+is_info_enabled()
+{
+	boolean_t enabled = B_FALSE;
+	const char *_envp = getenv(DEBUG_ENV_VAR);
+	if (_envp != NULL && atoi(_envp) >= 1)
+		enabled = B_TRUE;
+
+	return (enabled);
+}
+
+void
+zdoor_debug(const char *fmt, ...)
+{
+	va_list alist;
+
+	if (!is_debug_enabled())
+		return;
+
+	va_start(alist, fmt);
+
+	(void) fprintf(stderr, PREFIX, __TIME__, "DEBUG", pthread_self());
+	(void) vfprintf(stderr, fmt, alist);
+	(void) fprintf(stderr, "\n");
+	va_end(alist);
+}
+
+void
+zdoor_info(const char *fmt, ...)
+{
+	va_list alist;
+
+	if (!is_info_enabled())
+		return;
+
+	va_start(alist, fmt);
+
+	(void) fprintf(stderr, PREFIX, __TIME__, "INFO", pthread_self());
+	(void) vfprintf(stderr, fmt, alist);
+	(void) fprintf(stderr, "\n");
+	va_end(alist);
+}
+
+void
+zdoor_warn(const char *fmt, ...)
+{
+	va_list alist;
+
+	va_start(alist, fmt);
+
+	(void) fprintf(stderr, PREFIX, __TIME__, "WARN", pthread_self());
+	(void) vfprintf(stderr, fmt, alist);
+	(void) fprintf(stderr, "\n");
+	va_end(alist);
+}
+
+void
+zdoor_error(const char *fmt, ...)
+{
+	va_list alist;
+
+	va_start(alist, fmt);
+
+	(void) fprintf(stderr, PREFIX, __TIME__, "ERROR", pthread_self());
+	(void) vfprintf(stderr, fmt, alist);
+	(void) fprintf(stderr, "\n");
+	va_end(alist);
+}