From e986713657bc5f9880e91ed49dd9b0d0227f048d Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Mon, 17 Jun 2024 17:39:06 +0200
Subject: Use callback function to log to stderr

---
 src/cube.c | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

(limited to 'src/cube.c')

diff --git a/src/cube.c b/src/cube.c
index 97f7844..890e3fb 100644
--- a/src/cube.c
+++ b/src/cube.c
@@ -1,20 +1,32 @@
 #include <inttypes.h>
+#include <stdarg.h>
 #include <stdbool.h>
 #include <string.h>
 
+void (*nissy_log)(const char *, va_list);
+
+void
+_log(const char *str, ...) /* TODO: rename */
+{
+	va_list args;
+
+	if (nissy_log != NULL) {
+		va_start(args, str);
+		nissy_log(str, args);
+		va_end(args);
+	}
+}
+
 #ifdef DEBUG
-#include <stdio.h>
 #define _static
 #define _static_inline
-#define DBG_LOG(...) fprintf(stderr, __VA_ARGS__)
-#define DBG_WARN(condition, ...) if (!(condition)) DBG_LOG(__VA_ARGS__);
+#define DBG_WARN(condition, ...) if (!(condition)) _log(__VA_ARGS__);
 #define DBG_ASSERT(condition, retval, ...) \
-    if (!(condition)) { DBG_LOG(__VA_ARGS__); return retval; }
+    if (!(condition)) { _log(__VA_ARGS__); return retval; }
 
 #else
 #define _static static
 #define _static_inline static inline
-#define DBG_LOG(...)
 #define DBG_WARN(condition, ...)
 #define DBG_ASSERT(condition, retval, ...)
 #endif
-- 
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