Print v4l parser position on error

[media-ctl.git] / src / tools.h

diff --git a/src/tools.h b/src/tools.h
index e56edb2..e64b37e 100644 (file)
--- a/src/tools.h
+++ b/src/tools.h
@@ -23,6 +23,10 @@
 #define __TOOLS_H__
 
 #define ARRAY_SIZE(array)      (sizeof(array) / sizeof((array)[0]))
+#define FIELD_SIZEOF(t, f)     (sizeof(((t*)0)->f))
+
+void media_print_streampos(struct media_device *media, const char *p,
+                          const char *end);
 
 #endif /* __TOOLS_H__ */