PERFORCE change 222669 for review

[Robert Watson]

http://p4web.freebsd.org/@@222669?ac=10

Change 222669 by rwatson at rwatson_zenith_cl_cam_ac_uk on 2013/03/06 15:30:23

	Fan/temperature-control device is little-endian, so byte swap as
	needed.
	
	Implement "-q" so that you can request just the numeric value
	without a label.

Affected files ...

.. //depot/projects/ctsrd/beribsd/src/ctsrd/de4ctl/de4ctl.c#2 edit

Differences ...

==== //depot/projects/ctsrd/beribsd/src/ctsrd/de4ctl/de4ctl.c#2 (text+ko) ====

@@ -31,6 +31,7 @@
  */
 
 #include <sys/types.h>
+#include <sys/endian.h>
 
 #include <err.h>
 #include <fcntl.h>
@@ -50,8 +51,7 @@
 usage(void)
 {
 
-	fprintf(stderr, "usage: de4ctl temp\n");
-	fprintf(stderr, "usage: de4ctl fan\n");
+	fprintf(stderr, "usage: de4ctl [-q] fan | temp\n");
 	exit(0);
 }
 
@@ -71,7 +71,7 @@
 		err(1, "%s", PATH_TEMPFANCTL);
 	if (len != sizeof(temp))
 		errx(1, "%s: short read", PATH_TEMPFANCTL);
-	printf("temp: %u\n", temp);
+	printf("%s%u\n", qflag ? "" : "temp:\t", le32toh(temp));
 	close(fd);
 }
 
@@ -91,7 +91,7 @@
 		err(1, "%s", PATH_TEMPFANCTL);
 	if (len != sizeof(fan))
 		errx(1, "%s: short read", PATH_TEMPFANCTL);
-	printf("fan: %u\n", fan);
+	printf("%s%u\n", qflag ? "" : "fan:\t", le32toh(fan));
 	close(fd);
 }