1 files changed, 93 insertions, 0 deletions
diff --git a/include/ia_imaging/ia_log.h b/include/ia_imaging/ia_log.h
new file mode 100644
index 0000000..74a32d1
--- /dev/null
+++ b/include/ia_imaging/ia_log.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2015 - 2017 Intel Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ia_types.h"
+
+#ifndef _IA_LOG_H_
+#define _IA_LOG_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __func__
+#define __func__ __FUNCTION__
+#endif
+
+/*!
+ * \brief Macro for not logging.
+ */
+#define IA_NOLOG(...)           ((void)0)
+
+/*!
+ * \brief Macro wrapper for ia_log function.
+ */
+#define IA_LOG(level, fmt, ...) ((void)ia_log(level, fmt, ## __VA_ARGS__))
+
+/*!
+ * \brief Logging levels.
+ */
+typedef enum
+{
+    ia_log_error,
+    ia_log_debug,
+    ia_log_info,
+} ia_log_level;
+
+/*!
+ * \brief Initializes ia_log library with external function pointers for logging.
+ * If this function is not called, logging will be directed to stdout and stderr.
+ *
+ * \param[in] a_env_ptr Structure containing the addresses to logging functions.
+ *                      If NULL is passed as function pointer, there won't be log prints.
+ * \return              Error code.
+ */
+LIBEXPORT ia_err
+ia_log_init(ia_env *a_env_ptr);
+
+/*!
+ * \brief Prints formatted string.
+ *
+ *
+ * \param[in] level Log level.
+ * \param[in] fmt   Format string.
+ * \param[in] ...   Variables to be printed out as defined by the format string.
+ */
+LIBEXPORT void
+ia_log(ia_log_level level, const char *fmt, ...);
+
+/*!
+ * \brief Prints formatted string with interpreted error code.
+ *
+ *
+ * \param[in]     error               Error code.
+ * \return                            Pointer to all Error string.
+ */
+LIBEXPORT const char *
+ia_log_strerror(ia_err error);
+
+/*!
+ * \brief De-initialization of ia_log library.
+ * Must be called if ia_log_init() was called.
+ */
+LIBEXPORT void
+ia_log_deinit();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _IA_LOG_H_ */