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

---
 test/test.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'test/test.h')

diff --git a/test/test.h b/test/test.h
index 1bbb9fc..415e093 100644
--- a/test/test.h
+++ b/test/test.h
@@ -1,4 +1,5 @@
 #include <inttypes.h>
+#include <stdarg.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -24,3 +25,15 @@ bool issolvable(cube_t);
 bool issolved(cube_t);
 cube_t readcube(char *, char *);
 void writecube(char *, cube_t, char *);
+void nissy_setlogger(void (*logger_function)(const char *, va_list));
+
+/* Test function to be implemented by all tests */
+void run(void);
+
+void log_stderr(const char *str, va_list vl) { vfprintf(stderr, str, vl); }
+
+int main(void) {
+	nissy_setlogger(log_stderr);
+	run();
+	return 0;
+}
-- 
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