Add an INTERNAL_ERROR macro and use it for all internal errors.

[notmuch] / notmuch-private.h

diff --git a/notmuch-private.h b/notmuch-private.h
index 53ea75fa4d1c7bb09f2f08af50afd821b3ab0c5d..53b4f1ddbc38882e8c29adc468cc9cde57e3eb85 100644 (file)
--- 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.
  */