1 files changed, 47 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..848827d
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,47 @@
+#ifndef _UTIL_H_
+#define _UTIL_H_
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#define likely(x)       __builtin_expect(!!(x), 1)
+#define unlikely(x)     __builtin_expect(!!(x), 0)
+
+#define pr_v(level, fmt, ...) do {				\
+		if (verbose >= level) {				\
+			fprintf(stdout, "\x1b[1m\x1b[34m"	\
+				"%s(): \x1b[0m" fmt,	\
+				__func__, ##__VA_ARGS__);	\
+		}						\
+	} while (0)
+
+#define pr_v1(fmt, ...) pr_v(1, fmt, ##__VA_ARGS__)
+#define pr_v2(fmt, ...) pr_v(2, fmt, ##__VA_ARGS__)
+#define pr_v3(fmt, ...) pr_v(3, fmt, ##__VA_ARGS__)
+
+
+#define pr_info(fmt, ...) fprintf(stdout, "%s(): " fmt,		\
+                                  __func__, ##__VA_ARGS__)
+
+#define pr_warn(fmt, ...) fprintf(stderr, "\x1b[1m\x1b[33m"	\
+				  "WARN:%s(): " fmt "\x1b[0m",	\
+				  __func__, ##__VA_ARGS__)
+
+#define pr_err(fmt, ...) fprintf(stderr, "\x1b[1m\x1b[31m"	\
+				 "ERR:%s(): " fmt "\x1b[0m",	\
+				 __func__, ##__VA_ARGS__)
+
+#define pr_debug(fmt, ...)					\
+	do {							\
+		if (unlikely(debug)) {				\
+			fprintf(stderr, "\x1b[1m\x1b[33m"	\
+				"DEBUG:%s(): " fmt "\x1b[0m",	\
+				__func__, ##__VA_ARGS__);	\
+		}						\
+	} while (0)
+
+
+#define strerrno() strerror(errno)
+
+#endif /* _UTIL_H_ */