From 5c6f9566ec7f8f0a0066cf423d63a7bdc0d7e599 Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@member.fsf.org>
Date: Thu, 31 Dec 2015 03:31:06 +0100
Subject: fix bugs and improve debugging
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Signed-off-by: Mattias Andrée <maandree@member.fsf.org>
---
 src/common.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/common.h')

diff --git a/src/common.h b/src/common.h
index 375cf49..1401c37 100644
--- a/src/common.h
+++ b/src/common.h
@@ -35,7 +35,13 @@
  * 
  * @param  ...  The statement.
  */
-# define t(...)  do { if (__VA_ARGS__) goto fail; } while (0)
+# ifdef DEBUG
+#  define t(...)  do { if ((__VA_ARGS__) ? (failed__ = #__VA_ARGS__) : 0) { (perror)(failed__); goto fail; } } while (0)
+static const char *failed__ = NULL;
+#  define perror(_)  ((void)(_))
+# else
+#  define t(...)  do { if (__VA_ARGS__) goto fail; } while (0)
+# endif
 #endif
 
 
-- 
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