Taken from the X server's misc.h, these macros just print nasty warnings for
bugs.
Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net>
---
libwacom/libwacomint.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/libwacom/libwacomint.h b/libwacom/libwacomint.h
index 60644ce..66202b0 100644
--- a/libwacom/libwacomint.h
+++ b/libwacom/libwacomint.h
@@ -38,6 +38,21 @@
#define DBG(...) \
printf(__VA_ARGS__)
+/* Don't use this directly, use BUG_WARN or BUG_WARN_MSG instead */
+#define __BUG_WARN_MSG(cond, with_msg, ...) \
+ do { if (cond) { \
+ fprintf(stderr, "BUG: triggered 'if (" #cond ")'\n");
\
+ fprintf(stderr, "BUG: %s:%d in %s()\n",
\
+ __FILE__, __LINE__, __func__);
\
+ if (with_msg) fprintf(stderr, __VA_ARGS__);
\
+ } } while(0)
+
+#define BUG_WARN_MSG(cond, ...) \
+ __BUG_WARN_MSG(cond, 1, __VA_ARGS__)
+
+#define BUG_WARN(cond) __BUG_WARN_MSG(cond, 0, " ")
+
+
#define GENERIC_DEVICE_MATCH "generic"
#define STYLUS_DATA_FILE "libwacom.stylus"
--
1.7.10
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