log: Add log_dbg() to facilitate debugging

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

2 files changed, 9 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 7bc8857..120bc58 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,10 @@ LDFLAGS	?=
 CCQ	= @echo -e "  CC\t$<" && $(CC)
 LDQ	= @echo -e "  LD\t$@" && $(CC)
 
+ifeq ($(DEBUG), 1)
+  CFLAGS += -g -DDEBUG
+endif
+
 all: $(P)
 
 $(P): $(OBJS)
diff --git a/log.h b/log.h
index d8dfe59..03b77dc 100644
--- a/log.h
+++ b/log.h
@@ -24,5 +24,10 @@
 #define log_err(fmt, args...)	fprintf(stderr, "Error: " fmt, ##args)
 #define log_warn(fmt, args...)	fprintf(stderr, "Warning: " fmt, ##args)
 #define log_info(fmt, args...)	fprintf(stdout, fmt, ##args)
+#ifdef DEBUG
+# define log_dbg(fmt, args...)	fprintf(stdout, fmt, ##args)
+#else
+# define log_dbg(fmt, args...)
+#endif
 
 #endif /* LOG_H */