Module Name: src
Committed By: christos
Date: Wed Dec 10 00:16:05 UTC 2014
Modified Files:
src/sys/sys: ioccom.h
Log Message:
provide a macro to symbolically print an ioctl number.
To generate a diff of this commit:
cvs rdiff -u -r1.11 -r1.12 src/sys/sys/ioccom.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/sys/ioccom.h
diff -u src/sys/sys/ioccom.h:1.11 src/sys/sys/ioccom.h:1.12
--- src/sys/sys/ioccom.h:1.11 Wed Oct 19 06:53:12 2011
+++ src/sys/sys/ioccom.h Tue Dec 9 19:16:05 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: ioccom.h,v 1.11 2011/10/19 10:53:12 yamt Exp $ */
+/* $NetBSD: ioccom.h,v 1.12 2014/12/10 00:16:05 christos Exp $ */
/*-
* Copyright (c) 1982, 1986, 1990, 1993, 1994
@@ -72,4 +72,11 @@
/* this should be _IORW, but stdio got there first */
#define _IOWR(g,n,t) _IOC(IOC_INOUT, (g), (n), sizeof(t))
+#define IOCSNPRINTF(buf, len, cmd) \
+ snprintf((buf), (len), "_IO%s%s('%c', %hhu)", \
+ (((cmd) >> 30) & 1) ? "W" : "", \
+ (((cmd) >> 30) & 2) ? "R" : "", \
+ (char)IOCGROUP(cmd), (unsigned char)(cmd))
+
+
#endif /* !_SYS_IOCCOM_H_ */
