1 files changed, 108 insertions, 0 deletions
diff --git a/exfat/libexfat/log.c b/exfat/libexfat/log.c
new file mode 100644
index 000000000..8b589b406
--- /dev/null
+++ b/exfat/libexfat/log.c
@@ -0,0 +1,108 @@
+/*
+	log.c (02.09.09)
+	exFAT file system implementation library.
+
+	Copyright (C) 2010-2012  Andrew Nayenko
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "exfat.h"
+#include <stdarg.h>
+#include <syslog.h>
+#include <unistd.h>
+
+int exfat_errors;
+
+/*
+ * This message means an internal bug in exFAT implementation.
+ */
+void exfat_bug(const char* format, ...)
+{
+	va_list ap, aq;
+
+	va_start(ap, format);
+	va_copy(aq, ap);
+
+	fflush(stdout);
+	fputs("BUG: ", stderr);
+	vfprintf(stderr, format, ap);
+	va_end(ap);
+	fputs(".\n", stderr);
+
+	if (!isatty(STDERR_FILENO))
+		vsyslog(LOG_CRIT, format, aq);
+	va_end(aq);
+
+	abort();
+}
+
+/*
+ * This message means an error in exFAT file system.
+ */
+void exfat_error(const char* format, ...)
+{
+	va_list ap, aq;
+
+	exfat_errors++;
+	va_start(ap, format);
+	va_copy(aq, ap);
+
+	fflush(stdout);
+	fputs("ERROR: ", stderr);
+	vfprintf(stderr, format, ap);
+	va_end(ap);
+	fputs(".\n", stderr);
+
+	if (!isatty(STDERR_FILENO))
+		vsyslog(LOG_ERR, format, aq);
+	va_end(aq);
+}
+
+/*
+ * This message means that there is something unexpected in exFAT file system
+ * that can be a potential problem.
+ */
+void exfat_warn(const char* format, ...)
+{
+	va_list ap, aq;
+
+	va_start(ap, format);
+	va_copy(aq, ap);
+
+	fflush(stdout);
+	fputs("WARN: ", stderr);
+	vfprintf(stderr, format, ap);
+	va_end(ap);
+	fputs(".\n", stderr);
+
+	if (!isatty(STDERR_FILENO))
+		vsyslog(LOG_WARNING, format, aq);
+	va_end(aq);
+}
+
+/*
+ * Just debug message. Disabled by default.
+ */
+void exfat_debug(const char* format, ...)
+{
+	va_list ap;
+
+	fflush(stdout);
+	fputs("DEBUG: ", stderr);
+	va_start(ap, format);
+	vfprintf(stderr, format, ap);
+	va_end(ap);
+	fputs(".\n", stderr);
+}