X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=notmuch-private.h;h=53b4f1ddbc38882e8c29adc468cc9cde57e3eb85;hp=53ea75fa4d1c7bb09f2f08af50afd821b3ab0c5d;hb=7b227a6bf7eb409b4353adc430b2545166e0c4cd;hpb=3b8e3ab666a54407f9596a53c66ba8ce623ac91d

diff --git a/notmuch-private.h b/notmuch-private.h
index 53ea75fa..53b4f1dd 100644
--- a/notmuch-private.h
+++ b/notmuch-private.h
@@ -48,6 +48,20 @@ NOTMUCH_BEGIN_DECLS
 
 #define COMPILE_TIME_ASSERT(pred) ((void)sizeof(char[1 - 2*!(pred)]))
 
+/* There's no point in continuing when we've detected that we've done
+ * something wrong internally (as opposed to the user passing in a
+ * bogus value).
+ *
+ * Note that __location__ comes from talloc.h.
+ */
+#define INTERNAL_ERROR(format, ...)			\
+    do {						\
+	fprintf(stderr,					\
+		"Internal error: " format " (%s)\n",	\
+		##__VA_ARGS__, __location__);		\
+	exit (1);					\
+    } while (0)
+
 /* Thanks to Andrew Tridgell's (SAMBA's) talloc for this definition of
  * unlikely. The talloc source code comes to us via the GNU LGPL v. 3.
  */