common: add print_trace() for backtracing

[c11tester.git] / common.h

diff --git a/common.h b/common.h
index cd6b16a286cf4684f711a824b303a465a99c590c..80bc9ad6e8c6977fb3622b8754c1982cf64c25f5 100644 (file)
--- a/common.h
+++ b/common.h
@@ -1,9 +1,12 @@
+/** @file common.h
+ *  @brief General purpose macros.
+ */
+
 #ifndef __COMMON_H__
 #define __COMMON_H__
 
 #include <stdio.h>
-
-//#define CONFIG_DEBUG
+#include "config.h"
 
 #ifdef CONFIG_DEBUG
 #define DEBUG(fmt, ...) do { printf("*** %25s(): line %-4d *** " fmt, __func__, __LINE__, ##__VA_ARGS__); } while (0)
@@ -19,8 +22,12 @@
 do { \
        if (!(expr)) { \
                fprintf(stderr, "Error: assertion failed in %s at line %d\n", __FILE__, __LINE__); \
-               exit(1); \
+               exit(EXIT_FAILURE); \
        } \
 } while (0);
 
+#define error_msg(...) fprintf(stderr, "Error: " __VA_ARGS__)
+
+void print_trace(void);
+
 #endif /* __COMMON_H__ */