1 files changed, 75 insertions, 0 deletions
diff --git a/src/libexif/exif-log.h b/src/libexif/exif-log.h
new file mode 100644
index 0000000..01eed3f
--- /dev/null
+++ b/src/libexif/exif-log.h
@@ -0,0 +1,75 @@
+/*! \file exif-log.h
+ *  \brief log message infrastructure
+ *
+ * Copyright © 2004 Lutz Müller <lutz@users.sourceforge.net>
+ *
+ * This 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 of the License, or (at your option) any later version.
+ *
+ * This 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 this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __EXIF_LOG_H__
+#define __EXIF_LOG_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include <libexif/exif-mem.h>
+#include <stdarg.h>
+
+typedef struct _ExifLog        ExifLog;
+
+ExifLog *exif_log_new     (void);
+ExifLog *exif_log_new_mem (ExifMem *);
+void     exif_log_ref     (ExifLog *log);
+void     exif_log_unref   (ExifLog *log);
+void     exif_log_free    (ExifLog *log);
+
+typedef enum {
+	EXIF_LOG_CODE_NONE,
+	EXIF_LOG_CODE_DEBUG,
+	EXIF_LOG_CODE_NO_MEMORY,
+	EXIF_LOG_CODE_CORRUPT_DATA
+} ExifLogCode;
+const char *exif_log_code_get_title   (ExifLogCode); /* Title for dialog   */
+const char *exif_log_code_get_message (ExifLogCode); /* Message for dialog */
+
+/** Log callback function prototype.
+ */
+typedef void (* ExifLogFunc) (ExifLog *log, ExifLogCode, const char *domain,
+			      const char *format, va_list args, void *data);
+
+/** Register log callback function.
+ */
+void     exif_log_set_func (ExifLog *log, ExifLogFunc func, void *data);
+
+void     exif_log  (ExifLog *log, ExifLogCode, const char *domain,
+		    const char *format, ...)
+#ifdef __GNUC__
+			__attribute__((__format__(printf,4,5)))
+#endif
+;
+
+void     exif_logv (ExifLog *log, ExifLogCode, const char *domain,
+		    const char *format, va_list args);
+
+/* For your convenience */
+#define EXIF_LOG_NO_MEMORY(l,d,s) exif_log (l, EXIF_LOG_CODE_NO_MEMORY, d, "Could not allocate %i byte(s).", s)
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __EXIF_LOG_H__ */